refactor: extract a2a into standalone crewai-a2a package

Move crewai.a2a into lib/crewai-a2a as its own workspace package, importable as crewai_a2a. The crewai[a2a] extra now pulls in crewai-a2a, which owns a2a-sdk, httpx-auth, httpx-sse, and aiocache.

crewai.a2a stays importable. Its __init__ is a compat shim that installs a meta-path finder routing crewai.a2a.* to crewai_a2a.*, so existing user code keeps working untouched.

a2a tests and cassettes moved alongside the package under lib/crewai-a2a/tests/. Added that path to the mypy and ruff per-file-ignores lists to match the other test dirs.

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ repos:
         language: system
         pass_filenames: true
         types: [python]
-        exclude: ^(lib/crewai/src/crewai/cli/templates/|lib/crewai/tests/|lib/crewai-tools/tests/|lib/crewai-files/tests/)
+        exclude: ^(lib/crewai/src/crewai/cli/templates/|lib/crewai/tests/|lib/crewai-tools/tests/|lib/crewai-files/tests/|lib/crewai-a2a/tests/)
   - repo: https://github.com/astral-sh/uv-pre-commit
     rev: 0.11.3
     hooks:

lib/crewai-a2a/pyproject.toml

@@ -0,0 +1,22 @@
+[project]
+name = "crewai-a2a"
+dynamic = ["version"]
+description = "Add your description here"
+readme = "README.md"
+authors = [
+    { name = "Greyson LaLonde", email = "greyson@crewai.com" }
+]
+requires-python = ">=3.10, <3.14"
+dependencies = [
+    "a2a-sdk~=0.3.10",
+    "httpx-auth~=0.23.1",
+    "httpx-sse~=0.4.0",
+    "aiocache[redis,memcached]~=0.12.3",
+]
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.version]
+path = "src/crewai_a2a/__init__.py"

lib/crewai-a2a/src/crewai_a2a/__init__.py

@@ -0,0 +1,13 @@
+"""Agent-to-Agent (A2A) protocol communication module for CrewAI."""
+
+__version__ = "1.14.2a3"
+
+from crewai_a2a.config import A2AClientConfig, A2AConfig, A2AServerConfig
+
+
+__all__ = [
+    "A2AClientConfig",
+    "A2AConfig",
+    "A2AServerConfig",
+    "__version__",
+]

lib/crewai-a2a/src/crewai_a2a/auth/__init__.py

@@ -1,6 +1,6 @@
 """A2A authentication schemas."""
 
-from crewai.a2a.auth.client_schemes import (
+from crewai_a2a.auth.client_schemes import (
     APIKeyAuth,
     AuthScheme,
     BearerTokenAuth,
@@ -11,7 +11,7 @@ from crewai.a2a.auth.client_schemes import (
     OAuth2ClientCredentials,
     TLSConfig,
 )
-from crewai.a2a.auth.server_schemes import (
+from crewai_a2a.auth.server_schemes import (
     AuthenticatedUser,
     EnterpriseTokenAuth,
     OIDCAuth,

lib/crewai-a2a/src/crewai_a2a/auth/schemas.py

@@ -0,0 +1,71 @@
+"""Deprecated: Authentication schemes for A2A protocol agents.
+
+This module is deprecated. Import from crewai_a2a.auth instead:
+- crewai_a2a.auth.ClientAuthScheme (replaces AuthScheme)
+- crewai_a2a.auth.BearerTokenAuth
+- crewai_a2a.auth.HTTPBasicAuth
+- crewai_a2a.auth.HTTPDigestAuth
+- crewai_a2a.auth.APIKeyAuth
+- crewai_a2a.auth.OAuth2ClientCredentials
+- crewai_a2a.auth.OAuth2AuthorizationCode
+"""
+
+from __future__ import annotations
+
+from typing_extensions import deprecated
+
+from crewai_a2a.auth.client_schemes import (
+    APIKeyAuth as _APIKeyAuth,
+    BearerTokenAuth as _BearerTokenAuth,
+    ClientAuthScheme as _ClientAuthScheme,
+    HTTPBasicAuth as _HTTPBasicAuth,
+    HTTPDigestAuth as _HTTPDigestAuth,
+    OAuth2AuthorizationCode as _OAuth2AuthorizationCode,
+    OAuth2ClientCredentials as _OAuth2ClientCredentials,
+)
+
+
+@deprecated("Use ClientAuthScheme from crewai_a2a.auth instead", category=FutureWarning)
+class AuthScheme(_ClientAuthScheme):
+    """Deprecated: Use ClientAuthScheme from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class BearerTokenAuth(_BearerTokenAuth):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class HTTPBasicAuth(_HTTPBasicAuth):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class HTTPDigestAuth(_HTTPDigestAuth):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class APIKeyAuth(_APIKeyAuth):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class OAuth2ClientCredentials(_OAuth2ClientCredentials):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+@deprecated("Import from crewai_a2a.auth instead", category=FutureWarning)
+class OAuth2AuthorizationCode(_OAuth2AuthorizationCode):
+    """Deprecated: Import from crewai_a2a.auth instead."""
+
+
+__all__ = [
+    "APIKeyAuth",
+    "AuthScheme",
+    "BearerTokenAuth",
+    "HTTPBasicAuth",
+    "HTTPDigestAuth",
+    "OAuth2AuthorizationCode",
+    "OAuth2ClientCredentials",
+]

lib/crewai-a2a/src/crewai_a2a/auth/utils.py

@@ -20,7 +20,7 @@ from a2a.types import (
 )
 from httpx import AsyncClient, Response
 
-from crewai.a2a.auth.client_schemes import (
+from crewai_a2a.auth.client_schemes import (
     APIKeyAuth,
     BearerTokenAuth,
     ClientAuthScheme,

lib/crewai-a2a/src/crewai_a2a/config.py

@@ -20,10 +20,10 @@ from pydantic import (
 )
 from typing_extensions import Self, deprecated
 
-from crewai.a2a.auth.client_schemes import ClientAuthScheme
-from crewai.a2a.auth.server_schemes import ServerAuthScheme
-from crewai.a2a.extensions.base import ValidatedA2AExtension
-from crewai.a2a.types import ProtocolVersion, TransportType, Url
+from crewai_a2a.auth.client_schemes import ClientAuthScheme
+from crewai_a2a.auth.server_schemes import ServerAuthScheme
+from crewai_a2a.extensions.base import ValidatedA2AExtension
+from crewai_a2a.types import ProtocolVersion, TransportType, Url
 
 
 try:
@@ -36,8 +36,8 @@ try:
         SecurityScheme,
     )
 
-    from crewai.a2a.extensions.server import ServerExtension
-    from crewai.a2a.updates import UpdateConfig
+    from crewai_a2a.extensions.server import ServerExtension
+    from crewai_a2a.updates import UpdateConfig
 except ImportError:
     UpdateConfig: Any = Any  # type: ignore[no-redef]
     AgentCapabilities: Any = Any  # type: ignore[no-redef]
@@ -50,7 +50,7 @@ except ImportError:
 
 
 def _get_default_update_config() -> UpdateConfig:
-    from crewai.a2a.updates import StreamingConfig
+    from crewai_a2a.updates import StreamingConfig
 
     return StreamingConfig()
 
@@ -360,8 +360,8 @@ class ClientTransportConfig(BaseModel):
 
 @deprecated(
     """
-    `crewai.a2a.config.A2AConfig` is deprecated and will be removed in v2.0.0,
-    use `crewai.a2a.config.A2AClientConfig` or `crewai.a2a.config.A2AServerConfig` instead.
+    `crewai_a2a.config.A2AConfig` is deprecated and will be removed in v2.0.0,
+    use `crewai_a2a.config.A2AClientConfig` or `crewai_a2a.config.A2AServerConfig` instead.
     """,
     category=FutureWarning,
 )

lib/crewai-a2a/src/crewai_a2a/extensions/__init__.py

@@ -13,13 +13,13 @@ via the X-A2A-Extensions header.
 See: https://a2a-protocol.org/latest/topics/extensions/
 """
 
-from crewai.a2a.extensions.base import (
+from crewai_a2a.extensions.base import (
     A2AExtension,
     ConversationState,
     ExtensionRegistry,
     ValidatedA2AExtension,
 )
-from crewai.a2a.extensions.server import (
+from crewai_a2a.extensions.server import (
     ExtensionContext,
     ServerExtension,
     ServerExtensionRegistry,

lib/crewai-a2a/src/crewai_a2a/extensions/a2ui/__init__.py

@@ -1,6 +1,6 @@
 """A2UI (Agent to UI) declarative UI protocol support for CrewAI."""
 
-from crewai.a2a.extensions.a2ui.catalog import (
+from crewai_a2a.extensions.a2ui.catalog import (
     AudioPlayer,
     Button,
     Card,
@@ -20,8 +20,8 @@ from crewai.a2a.extensions.a2ui.catalog import (
     TextField,
     Video,
 )
-from crewai.a2a.extensions.a2ui.client_extension import A2UIClientExtension
-from crewai.a2a.extensions.a2ui.models import (
+from crewai_a2a.extensions.a2ui.client_extension import A2UIClientExtension
+from crewai_a2a.extensions.a2ui.models import (
     A2UIEvent,
     A2UIMessage,
     A2UIResponse,
@@ -31,13 +31,13 @@ from crewai.a2a.extensions.a2ui.models import (
     SurfaceUpdate,
     UserAction,
 )
-from crewai.a2a.extensions.a2ui.server_extension import (
+from crewai_a2a.extensions.a2ui.server_extension import (
     A2UI_STANDARD_CATALOG_ID,
     A2UI_V09_BASIC_CATALOG_ID,
     A2UI_V09_EXTENSION_URI,
     A2UIServerExtension,
 )
-from crewai.a2a.extensions.a2ui.v0_9 import (
+from crewai_a2a.extensions.a2ui.v0_9 import (
     A2UIEventV09,
     A2UIMessageV09,
     ActionEvent,
@@ -68,7 +68,7 @@ from crewai.a2a.extensions.a2ui.v0_9 import (
     UpdateDataModel,
     VideoV09,
 )
-from crewai.a2a.extensions.a2ui.validator import (
+from crewai_a2a.extensions.a2ui.validator import (
     validate_a2ui_event,
     validate_a2ui_event_v09,
     validate_a2ui_message,

lib/crewai-a2a/src/crewai_a2a/extensions/a2ui/client_extension.py

@@ -10,18 +10,18 @@ from pydantic import Field
 from pydantic.dataclasses import dataclass
 from typing_extensions import TypeIs, TypedDict
 
-from crewai.a2a.extensions.a2ui.models import extract_a2ui_json_objects
-from crewai.a2a.extensions.a2ui.prompt import (
+from crewai_a2a.extensions.a2ui.models import extract_a2ui_json_objects
+from crewai_a2a.extensions.a2ui.prompt import (
     build_a2ui_system_prompt,
     build_a2ui_v09_system_prompt,
 )
-from crewai.a2a.extensions.a2ui.server_extension import (
+from crewai_a2a.extensions.a2ui.server_extension import (
     A2UI_MIME_TYPE,
     A2UI_STANDARD_CATALOG_ID,
     A2UI_V09_BASIC_CATALOG_ID,
 )
-from crewai.a2a.extensions.a2ui.v0_9 import extract_a2ui_v09_json_objects
-from crewai.a2a.extensions.a2ui.validator import (
+from crewai_a2a.extensions.a2ui.v0_9 import extract_a2ui_v09_json_objects
+from crewai_a2a.extensions.a2ui.validator import (
     A2UIValidationError,
     validate_a2ui_message,
     validate_a2ui_message_v09,
@@ -30,7 +30,6 @@ from crewai.a2a.extensions.a2ui.validator import (
 
 if TYPE_CHECKING:
     from a2a.types import Message
-
     from crewai.agent.core import Agent
 
 

lib/crewai-a2a/src/crewai_a2a/extensions/a2ui/prompt.py

@@ -4,13 +4,13 @@ from __future__ import annotations
 
 import json
 
-from crewai.a2a.extensions.a2ui.catalog import STANDARD_CATALOG_COMPONENTS
-from crewai.a2a.extensions.a2ui.schema import load_schema
-from crewai.a2a.extensions.a2ui.server_extension import (
+from crewai_a2a.extensions.a2ui.catalog import STANDARD_CATALOG_COMPONENTS
+from crewai_a2a.extensions.a2ui.schema import load_schema
+from crewai_a2a.extensions.a2ui.server_extension import (
     A2UI_EXTENSION_URI,
     A2UI_V09_BASIC_CATALOG_ID,
 )
-from crewai.a2a.extensions.a2ui.v0_9 import (
+from crewai_a2a.extensions.a2ui.v0_9 import (
     BASIC_CATALOG_COMPONENTS as V09_CATALOG_COMPONENTS,
     BASIC_CATALOG_FUNCTIONS,
 )

lib/crewai-a2a/src/crewai_a2a/extensions/a2ui/server_extension.py

@@ -5,16 +5,16 @@ from __future__ import annotations
 import logging
 from typing import Any
 
-from crewai.a2a.extensions.a2ui.models import A2UIResponse, extract_a2ui_json_objects
-from crewai.a2a.extensions.a2ui.v0_9 import (
+from crewai_a2a.extensions.a2ui.models import A2UIResponse, extract_a2ui_json_objects
+from crewai_a2a.extensions.a2ui.v0_9 import (
     extract_a2ui_v09_json_objects,
 )
-from crewai.a2a.extensions.a2ui.validator import (
+from crewai_a2a.extensions.a2ui.validator import (
     A2UIValidationError,
     validate_a2ui_message,
     validate_a2ui_message_v09,
 )
-from crewai.a2a.extensions.server import ExtensionContext, ServerExtension
+from crewai_a2a.extensions.server import ExtensionContext, ServerExtension
 
 
 logger = logging.getLogger(__name__)

lib/crewai-a2a/src/crewai_a2a/extensions/a2ui/validator.py

@@ -6,7 +6,7 @@ from typing import Any
 
 from pydantic import BaseModel, ValidationError
 
-from crewai.a2a.extensions.a2ui.catalog import (
+from crewai_a2a.extensions.a2ui.catalog import (
     AudioPlayer,
     Button,
     Card,
@@ -26,8 +26,8 @@ from crewai.a2a.extensions.a2ui.catalog import (
     TextField,
     Video,
 )
-from crewai.a2a.extensions.a2ui.models import A2UIEvent, A2UIMessage
-from crewai.a2a.extensions.a2ui.v0_9 import (
+from crewai_a2a.extensions.a2ui.models import A2UIEvent, A2UIMessage
+from crewai_a2a.extensions.a2ui.v0_9 import (
     A2UIEventV09,
     A2UIMessageV09,
     AudioPlayerV09,

lib/crewai-a2a/src/crewai_a2a/extensions/base.py

@@ -19,7 +19,6 @@ from pydantic import BeforeValidator
 
 if TYPE_CHECKING:
     from a2a.types import Message
-
     from crewai.agent.core import Agent
 
 

lib/crewai-a2a/src/crewai_a2a/extensions/registry.py

@@ -18,8 +18,8 @@ from a2a.extensions.common import (
 )
 from a2a.types import AgentCard, AgentExtension
 
-from crewai.a2a.config import A2AClientConfig, A2AConfig
-from crewai.a2a.extensions.base import ExtensionRegistry
+from crewai_a2a.config import A2AClientConfig, A2AConfig
+from crewai_a2a.extensions.base import ExtensionRegistry
 
 
 def get_extensions_from_config(

lib/crewai-a2a/src/crewai_a2a/task_helpers.py

@@ -18,13 +18,12 @@ from a2a.types import (
     TaskStatusUpdateEvent,
     TextPart,
 )
-from typing_extensions import NotRequired, TypedDict
-
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AConnectionErrorEvent,
     A2AResponseReceivedEvent,
 )
+from typing_extensions import NotRequired, TypedDict
 
 
 if TYPE_CHECKING:

lib/crewai-a2a/src/crewai_a2a/types.py

@@ -15,7 +15,7 @@ from typing_extensions import NotRequired, TypedDict
 
 
 try:
-    from crewai.a2a.updates import (
+    from crewai_a2a.updates import (
         PollingConfig,
         PollingHandler,
         PushNotificationConfig,

lib/crewai-a2a/src/crewai_a2a/updates/__init__.py

@@ -1,6 +1,6 @@
 """A2A update mechanism configuration types."""
 
-from crewai.a2a.updates.base import (
+from crewai_a2a.updates.base import (
     BaseHandlerKwargs,
     PollingHandlerKwargs,
     PushNotificationHandlerKwargs,
@@ -8,12 +8,12 @@ from crewai.a2a.updates.base import (
     StreamingHandlerKwargs,
     UpdateHandler,
 )
-from crewai.a2a.updates.polling.config import PollingConfig
-from crewai.a2a.updates.polling.handler import PollingHandler
-from crewai.a2a.updates.push_notifications.config import PushNotificationConfig
-from crewai.a2a.updates.push_notifications.handler import PushNotificationHandler
-from crewai.a2a.updates.streaming.config import StreamingConfig
-from crewai.a2a.updates.streaming.handler import StreamingHandler
+from crewai_a2a.updates.polling.config import PollingConfig
+from crewai_a2a.updates.polling.handler import PollingHandler
+from crewai_a2a.updates.push_notifications.config import PushNotificationConfig
+from crewai_a2a.updates.push_notifications.handler import PushNotificationHandler
+from crewai_a2a.updates.streaming.config import StreamingConfig
+from crewai_a2a.updates.streaming.handler import StreamingHandler
 
 
 UpdateConfig = PollingConfig | StreamingConfig | PushNotificationConfig

lib/crewai-a2a/src/crewai_a2a/updates/base.py

@@ -29,8 +29,8 @@ if TYPE_CHECKING:
     from a2a.client import Client
     from a2a.types import AgentCard, Message, Task
 
-    from crewai.a2a.task_helpers import TaskStateResult
-    from crewai.a2a.updates.push_notifications.config import PushNotificationConfig
+    from crewai_a2a.task_helpers import TaskStateResult
+    from crewai_a2a.updates.push_notifications.config import PushNotificationConfig
 
 
 class BaseHandlerKwargs(TypedDict, total=False):

lib/crewai-a2a/src/crewai_a2a/updates/polling/handler.py

@@ -18,17 +18,6 @@ from a2a.types import (
     TaskState,
     TextPart,
 )
-from typing_extensions import Unpack
-
-from crewai.a2a.errors import A2APollingTimeoutError
-from crewai.a2a.task_helpers import (
-    ACTIONABLE_STATES,
-    TERMINAL_STATES,
-    TaskStateResult,
-    process_task_state,
-    send_message_and_get_task_id,
-)
-from crewai.a2a.updates.base import PollingHandlerKwargs
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AConnectionErrorEvent,
@@ -36,6 +25,17 @@ from crewai.events.types.a2a_events import (
     A2APollingStatusEvent,
     A2AResponseReceivedEvent,
 )
+from typing_extensions import Unpack
+
+from crewai_a2a.errors import A2APollingTimeoutError
+from crewai_a2a.task_helpers import (
+    ACTIONABLE_STATES,
+    TERMINAL_STATES,
+    TaskStateResult,
+    process_task_state,
+    send_message_and_get_task_id,
+)
+from crewai_a2a.updates.base import PollingHandlerKwargs
 
 
 if TYPE_CHECKING:

lib/crewai-a2a/src/crewai_a2a/updates/push_notifications/config.py

@@ -7,8 +7,8 @@ from typing import Annotated
 from a2a.types import PushNotificationAuthenticationInfo
 from pydantic import AnyHttpUrl, BaseModel, BeforeValidator, Field
 
-from crewai.a2a.updates.base import PushNotificationResultStore
-from crewai.a2a.updates.push_notifications.signature import WebhookSignatureConfig
+from crewai_a2a.updates.base import PushNotificationResultStore
+from crewai_a2a.updates.push_notifications.signature import WebhookSignatureConfig
 
 
 def _coerce_signature(

lib/crewai-a2a/src/crewai_a2a/updates/push_notifications/handler.py

@@ -16,19 +16,6 @@ from a2a.types import (
     TaskState,
     TextPart,
 )
-from typing_extensions import Unpack
-
-from crewai.a2a.task_helpers import (
-    TaskStateResult,
-    process_task_state,
-    send_message_and_get_task_id,
-)
-from crewai.a2a.updates.base import (
-    CommonParams,
-    PushNotificationHandlerKwargs,
-    PushNotificationResultStore,
-    extract_common_params,
-)
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AConnectionErrorEvent,
@@ -36,6 +23,19 @@ from crewai.events.types.a2a_events import (
     A2APushNotificationTimeoutEvent,
     A2AResponseReceivedEvent,
 )
+from typing_extensions import Unpack
+
+from crewai_a2a.task_helpers import (
+    TaskStateResult,
+    process_task_state,
+    send_message_and_get_task_id,
+)
+from crewai_a2a.updates.base import (
+    CommonParams,
+    PushNotificationHandlerKwargs,
+    PushNotificationResultStore,
+    extract_common_params,
+)
 
 
 if TYPE_CHECKING:

lib/crewai-a2a/src/crewai_a2a/updates/streaming/handler.py

@@ -22,18 +22,6 @@ from a2a.types import (
     TaskStatusUpdateEvent,
     TextPart,
 )
-from typing_extensions import Unpack
-
-from crewai.a2a.task_helpers import (
-    ACTIONABLE_STATES,
-    TERMINAL_STATES,
-    TaskStateResult,
-    process_task_state,
-)
-from crewai.a2a.updates.base import StreamingHandlerKwargs, extract_common_params
-from crewai.a2a.updates.streaming.params import (
-    process_status_update,
-)
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AArtifactReceivedEvent,
@@ -42,6 +30,18 @@ from crewai.events.types.a2a_events import (
     A2AStreamingChunkEvent,
     A2AStreamingStartedEvent,
 )
+from typing_extensions import Unpack
+
+from crewai_a2a.task_helpers import (
+    ACTIONABLE_STATES,
+    TERMINAL_STATES,
+    TaskStateResult,
+    process_task_state,
+)
+from crewai_a2a.updates.base import StreamingHandlerKwargs, extract_common_params
+from crewai_a2a.updates.streaming.params import (
+    process_status_update,
+)
 
 
 logger = logging.getLogger(__name__)

lib/crewai-a2a/src/crewai_a2a/utils/agent_card.py

@@ -16,15 +16,6 @@ from a2a.client.errors import A2AClientHTTPError
 from a2a.types import AgentCapabilities, AgentCard, AgentSkill
 from aiocache import cached  # type: ignore[import-untyped]
 from aiocache.serializers import PickleSerializer  # type: ignore[import-untyped]
-import httpx
-
-from crewai.a2a.auth.client_schemes import APIKeyAuth, HTTPDigestAuth
-from crewai.a2a.auth.utils import (
-    _auth_store,
-    configure_auth_client,
-    retry_on_401,
-)
-from crewai.a2a.config import A2AServerConfig
 from crewai.crew import Crew
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
@@ -32,13 +23,23 @@ from crewai.events.types.a2a_events import (
     A2AAuthenticationFailedEvent,
     A2AConnectionErrorEvent,
 )
+import httpx
+
+from crewai_a2a.auth.client_schemes import APIKeyAuth, HTTPDigestAuth
+from crewai_a2a.auth.utils import (
+    _auth_store,
+    configure_auth_client,
+    retry_on_401,
+)
+from crewai_a2a.config import A2AServerConfig
 
 
 if TYPE_CHECKING:
-    from crewai.a2a.auth.client_schemes import ClientAuthScheme
     from crewai.agent import Agent
     from crewai.task import Task
 
+    from crewai_a2a.auth.client_schemes import ClientAuthScheme
+
 
 def _get_tls_verify(auth: ClientAuthScheme | None) -> ssl.SSLContext | bool | str:
     """Get TLS verify parameter from auth scheme.
@@ -495,7 +496,7 @@ def _agent_to_agent_card(agent: Agent, url: str) -> AgentCard:
     Returns:
         AgentCard describing the agent's capabilities.
     """
-    from crewai.a2a.utils.agent_card_signing import sign_agent_card
+    from crewai_a2a.utils.agent_card_signing import sign_agent_card
 
     server_config = _get_server_config(agent) or A2AServerConfig()
 
@@ -529,7 +530,7 @@ def _agent_to_agent_card(agent: Agent, url: str) -> AgentCard:
 
     capabilities = server_config.capabilities
     if server_config.server_extensions:
-        from crewai.a2a.extensions.server import ServerExtensionRegistry
+        from crewai_a2a.extensions.server import ServerExtensionRegistry
 
         registry = ServerExtensionRegistry(server_config.server_extensions)
         ext_list = registry.get_agent_extensions()

lib/crewai-a2a/src/crewai_a2a/utils/agent_card_signing.py

@@ -5,7 +5,7 @@ JSON Web Signatures (JWS) as per RFC 7515. Signed agent cards allow clients
 to verify the authenticity and integrity of agent card information.
 
 Example:
-    >>> from crewai.a2a.utils.agent_card_signing import sign_agent_card
+    >>> from crewai_a2a.utils.agent_card_signing import sign_agent_card
     >>> signature = sign_agent_card(agent_card, private_key_pem, key_id="key-1")
     >>> card_with_sig = card.model_copy(update={"signatures": [signature]})
 """

lib/crewai-a2a/src/crewai_a2a/utils/content_type.py

@@ -10,7 +10,6 @@ from dataclasses import dataclass
 from typing import TYPE_CHECKING, Annotated, Final, Literal, cast
 
 from a2a.types import Part
-
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import A2AContentTypeNegotiatedEvent
 

lib/crewai-a2a/src/crewai_a2a/utils/delegation.py

@@ -23,48 +23,6 @@ from a2a.types import (
     Role,
     TextPart,
 )
-import httpx
-from pydantic import BaseModel
-
-from crewai.a2a.auth.client_schemes import APIKeyAuth, HTTPDigestAuth
-from crewai.a2a.auth.utils import (
-    _auth_store,
-    configure_auth_client,
-    validate_auth_against_agent_card,
-)
-from crewai.a2a.config import ClientTransportConfig, GRPCClientConfig
-from crewai.a2a.extensions.registry import (
-    ExtensionsMiddleware,
-    validate_required_extensions,
-)
-from crewai.a2a.task_helpers import TaskStateResult
-from crewai.a2a.types import (
-    HANDLER_REGISTRY,
-    HandlerType,
-    PartsDict,
-    PartsMetadataDict,
-    TransportType,
-)
-from crewai.a2a.updates import (
-    PollingConfig,
-    PushNotificationConfig,
-    StreamingHandler,
-    UpdateConfig,
-)
-from crewai.a2a.utils.agent_card import (
-    _afetch_agent_card_cached,
-    _get_tls_verify,
-    _prepare_auth_headers,
-)
-from crewai.a2a.utils.content_type import (
-    DEFAULT_CLIENT_OUTPUT_MODES,
-    negotiate_content_types,
-)
-from crewai.a2a.utils.transport import (
-    NegotiatedTransport,
-    TransportNegotiationError,
-    negotiate_transport,
-)
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AConversationStartedEvent,
@@ -72,6 +30,48 @@ from crewai.events.types.a2a_events import (
     A2ADelegationStartedEvent,
     A2AMessageSentEvent,
 )
+import httpx
+from pydantic import BaseModel
+
+from crewai_a2a.auth.client_schemes import APIKeyAuth, HTTPDigestAuth
+from crewai_a2a.auth.utils import (
+    _auth_store,
+    configure_auth_client,
+    validate_auth_against_agent_card,
+)
+from crewai_a2a.config import ClientTransportConfig, GRPCClientConfig
+from crewai_a2a.extensions.registry import (
+    ExtensionsMiddleware,
+    validate_required_extensions,
+)
+from crewai_a2a.task_helpers import TaskStateResult
+from crewai_a2a.types import (
+    HANDLER_REGISTRY,
+    HandlerType,
+    PartsDict,
+    PartsMetadataDict,
+    TransportType,
+)
+from crewai_a2a.updates import (
+    PollingConfig,
+    PushNotificationConfig,
+    StreamingHandler,
+    UpdateConfig,
+)
+from crewai_a2a.utils.agent_card import (
+    _afetch_agent_card_cached,
+    _get_tls_verify,
+    _prepare_auth_headers,
+)
+from crewai_a2a.utils.content_type import (
+    DEFAULT_CLIENT_OUTPUT_MODES,
+    negotiate_content_types,
+)
+from crewai_a2a.utils.transport import (
+    NegotiatedTransport,
+    TransportNegotiationError,
+    negotiate_transport,
+)
 
 
 logger = logging.getLogger(__name__)
@@ -80,7 +80,7 @@ logger = logging.getLogger(__name__)
 if TYPE_CHECKING:
     from a2a.types import Message
 
-    from crewai.a2a.auth.client_schemes import ClientAuthScheme
+    from crewai_a2a.auth.client_schemes import ClientAuthScheme
 
 
 _DEFAULT_TRANSPORT: Final[TransportType] = "JSONRPC"
@@ -771,7 +771,7 @@ def _create_grpc_channel_factory(
     auth_metadata: list[tuple[str, str]] = []
 
     if auth is not None:
-        from crewai.a2a.auth.client_schemes import (
+        from crewai_a2a.auth.client_schemes import (
             APIKeyAuth,
             BearerTokenAuth,
             HTTPBasicAuth,

lib/crewai-a2a/src/crewai_a2a/utils/logging.py

@@ -103,7 +103,7 @@ class LogContext:
         _log_context.reset(self._token)
 
 
-def configure_json_logging(logger_name: str = "crewai.a2a") -> None:
+def configure_json_logging(logger_name: str = "crewai_a2a") -> None:
     """Configure JSON logging for the A2A module.
 
     Args:

lib/crewai-a2a/src/crewai_a2a/utils/response_model.py

@@ -4,10 +4,10 @@ from __future__ import annotations
 
 from typing import TypeAlias
 
+from crewai.types.utils import create_literals_from_strings
 from pydantic import BaseModel, Field, create_model
 
-from crewai.a2a.config import A2AClientConfig, A2AConfig, A2AServerConfig
-from crewai.types.utils import create_literals_from_strings
+from crewai_a2a.config import A2AClientConfig, A2AConfig, A2AServerConfig
 
 
 A2AConfigTypes: TypeAlias = A2AConfig | A2AServerConfig | A2AClientConfig

lib/crewai-a2a/src/crewai_a2a/utils/task.py

@@ -37,11 +37,6 @@ from a2a.utils import (
 )
 from a2a.utils.errors import ServerError
 from aiocache import SimpleMemoryCache, caches  # type: ignore[import-untyped]
-from pydantic import BaseModel
-from typing_extensions import TypedDict
-
-from crewai.a2a.utils.agent_card import _get_server_config
-from crewai.a2a.utils.content_type import validate_message_parts
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AServerTaskCanceledEvent,
@@ -51,12 +46,18 @@ from crewai.events.types.a2a_events import (
 )
 from crewai.task import Task
 from crewai.utilities.pydantic_schema_utils import create_model_from_schema
+from pydantic import BaseModel
+from typing_extensions import TypedDict
+
+from crewai_a2a.utils.agent_card import _get_server_config
+from crewai_a2a.utils.content_type import validate_message_parts
 
 
 if TYPE_CHECKING:
-    from crewai.a2a.extensions.server import ExtensionContext, ServerExtensionRegistry
     from crewai.agent import Agent
 
+    from crewai_a2a.extensions.server import ExtensionContext, ServerExtensionRegistry
+
 
 logger = logging.getLogger(__name__)
 

lib/crewai-a2a/src/crewai_a2a/utils/transport.py

@@ -11,7 +11,6 @@ from dataclasses import dataclass
 from typing import Final, Literal
 
 from a2a.types import AgentCard, AgentInterface
-
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import A2ATransportNegotiatedEvent
 

lib/crewai-a2a/src/crewai_a2a/wrapper.py

@@ -15,33 +15,6 @@ from types import MethodType
 from typing import TYPE_CHECKING, Any, NamedTuple
 
 from a2a.types import Role, TaskState
-from pydantic import BaseModel, ValidationError
-
-from crewai.a2a.config import A2AClientConfig, A2AConfig
-from crewai.a2a.extensions.base import (
-    A2AExtension,
-    ConversationState,
-    ExtensionRegistry,
-)
-from crewai.a2a.task_helpers import TaskStateResult
-from crewai.a2a.templates import (
-    AVAILABLE_AGENTS_TEMPLATE,
-    CONVERSATION_TURN_INFO_TEMPLATE,
-    PREVIOUS_A2A_CONVERSATION_TEMPLATE,
-    REMOTE_AGENT_RESPONSE_NOTICE,
-    UNAVAILABLE_AGENTS_NOTICE_TEMPLATE,
-)
-from crewai.a2a.types import AgentResponseProtocol
-from crewai.a2a.utils.agent_card import (
-    afetch_agent_card,
-    fetch_agent_card,
-    inject_a2a_server_methods,
-)
-from crewai.a2a.utils.delegation import (
-    aexecute_a2a_delegation,
-    execute_a2a_delegation,
-)
-from crewai.a2a.utils.response_model import get_a2a_agents_and_response_model
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.a2a_events import (
     A2AConversationCompletedEvent,
@@ -49,11 +22,37 @@ from crewai.events.types.a2a_events import (
 )
 from crewai.lite_agent_output import LiteAgentOutput
 from crewai.task import Task
+from pydantic import BaseModel, ValidationError
+
+from crewai_a2a.config import A2AClientConfig, A2AConfig
+from crewai_a2a.extensions.base import (
+    A2AExtension,
+    ConversationState,
+    ExtensionRegistry,
+)
+from crewai_a2a.task_helpers import TaskStateResult
+from crewai_a2a.templates import (
+    AVAILABLE_AGENTS_TEMPLATE,
+    CONVERSATION_TURN_INFO_TEMPLATE,
+    PREVIOUS_A2A_CONVERSATION_TEMPLATE,
+    REMOTE_AGENT_RESPONSE_NOTICE,
+    UNAVAILABLE_AGENTS_NOTICE_TEMPLATE,
+)
+from crewai_a2a.types import AgentResponseProtocol
+from crewai_a2a.utils.agent_card import (
+    afetch_agent_card,
+    fetch_agent_card,
+    inject_a2a_server_methods,
+)
+from crewai_a2a.utils.delegation import (
+    aexecute_a2a_delegation,
+    execute_a2a_delegation,
+)
+from crewai_a2a.utils.response_model import get_a2a_agents_and_response_model
 
 
 if TYPE_CHECKING:
     from a2a.types import AgentCard, Message
-
     from crewai.agent.core import Agent
     from crewai.tools.base_tool import BaseTool
 

lib/crewai-a2a/tests/a2a/extensions/test_a2ui_schema_conformance.py

@@ -9,12 +9,11 @@ from __future__ import annotations
 
 from typing import Any
 
-import jsonschema
-import pytest
-
 from crewai.a2a.extensions.a2ui import catalog
 from crewai.a2a.extensions.a2ui.models import A2UIEvent, A2UIMessage
 from crewai.a2a.extensions.a2ui.schema import load_schema
+import jsonschema
+import pytest
 
 
 SERVER_SCHEMA = load_schema("server_to_client")
@@ -206,7 +205,10 @@ VALID_COMPONENTS: dict[str, dict[str, Any]] = {
     "Divider": {"axis": "horizontal"},
     "Modal": {"entryPointChild": "trigger", "contentChild": "body"},
     "Button": {"child": "label", "action": {"name": "go"}},
-    "CheckBox": {"label": {"literalString": "Accept"}, "value": {"literalBoolean": False}},
+    "CheckBox": {
+        "label": {"literalString": "Accept"},
+        "value": {"literalBoolean": False},
+    },
     "TextField": {"label": {"literalString": "Name"}},
     "DateTimeInput": {"value": {"path": "/date"}},
     "MultipleChoice": {

lib/crewai-a2a/tests/a2a/test_a2a_integration.py

@@ -3,14 +3,12 @@ from __future__ import annotations
 import os
 import uuid
 
-import pytest
-import pytest_asyncio
-
 from a2a.client import ClientFactory
-from a2a.types import AgentCard, Message, Part, Role, TaskState, TextPart
-
+from a2a.types import AgentCard, Message, Part, Role, Task, TaskState, TextPart
 from crewai.a2a.updates.polling.handler import PollingHandler
 from crewai.a2a.updates.streaming.handler import StreamingHandler
+import pytest
+import pytest_asyncio
 
 
 A2A_TEST_ENDPOINT = os.getenv("A2A_TEST_ENDPOINT", "http://localhost:9999")
@@ -162,7 +160,7 @@ class TestA2APushNotificationHandler:
         )
 
     @pytest.fixture
-    def mock_task(self) -> "Task":
+    def mock_task(self) -> Task:
         """Create a minimal valid task for testing."""
         from a2a.types import Task, TaskStatus
 
@@ -182,10 +180,11 @@ class TestA2APushNotificationHandler:
         from unittest.mock import AsyncMock, MagicMock
 
         from a2a.types import Task, TaskStatus
-        from pydantic import AnyHttpUrl
-
         from crewai.a2a.updates.push_notifications.config import PushNotificationConfig
-        from crewai.a2a.updates.push_notifications.handler import PushNotificationHandler
+        from crewai.a2a.updates.push_notifications.handler import (
+            PushNotificationHandler,
+        )
+        from pydantic import AnyHttpUrl
 
         completed_task = Task(
             id="task-123",
@@ -246,10 +245,11 @@ class TestA2APushNotificationHandler:
         from unittest.mock import AsyncMock, MagicMock
 
         from a2a.types import Task, TaskStatus
-        from pydantic import AnyHttpUrl
-
         from crewai.a2a.updates.push_notifications.config import PushNotificationConfig
-        from crewai.a2a.updates.push_notifications.handler import PushNotificationHandler
+        from crewai.a2a.updates.push_notifications.handler import (
+            PushNotificationHandler,
+        )
+        from pydantic import AnyHttpUrl
 
         mock_store = MagicMock()
         mock_store.wait_for_result = AsyncMock(return_value=None)
@@ -303,7 +303,9 @@ class TestA2APushNotificationHandler:
         """Test that push handler fails gracefully without config."""
         from unittest.mock import MagicMock
 
-        from crewai.a2a.updates.push_notifications.handler import PushNotificationHandler
+        from crewai.a2a.updates.push_notifications.handler import (
+            PushNotificationHandler,
+        )
 
         mock_client = MagicMock()
 

lib/crewai-a2a/tests/a2a/utils/test_agent_card.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 from a2a.types import AgentCard, AgentSkill
-
 from crewai import Agent
 from crewai.a2a.config import A2AClientConfig, A2AServerConfig
 from crewai.a2a.utils.agent_card import inject_a2a_server_methods

lib/crewai-a2a/tests/a2a/utils/test_task.py

@@ -6,13 +6,12 @@ import asyncio
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import pytest
-import pytest_asyncio
 from a2a.server.agent_execution import RequestContext
 from a2a.server.events import EventQueue
 from a2a.types import Message, Task as A2ATask, TaskState, TaskStatus
-
 from crewai.a2a.utils.task import cancel, cancellable, execute
+import pytest
+import pytest_asyncio
 
 
 @pytest.fixture
@@ -85,8 +84,11 @@ class TestCancellableDecorator:
         assert call_count == 1
 
     @pytest.mark.asyncio
-    async def test_executes_function_with_context(self, mock_context: MagicMock) -> None:
+    async def test_executes_function_with_context(
+        self, mock_context: MagicMock
+    ) -> None:
         """Function executes normally with RequestContext when not cancelled."""
+
         @cancellable
         async def my_func(context: RequestContext) -> str:
             await asyncio.sleep(0.01)
@@ -134,6 +136,7 @@ class TestCancellableDecorator:
     @pytest.mark.asyncio
     async def test_extracts_context_from_kwargs(self, mock_context: MagicMock) -> None:
         """Context can be passed as keyword argument."""
+
         @cancellable
         async def my_func(value: int, context: RequestContext | None = None) -> int:
             return value + 1
@@ -354,6 +357,7 @@ class TestExecuteAndCancelIntegration:
         mock_task: MagicMock,
     ) -> None:
         """Calling cancel stops a running execute."""
+
         async def slow_task(**kwargs: Any) -> str:
             await asyncio.sleep(2.0)
             return "should not complete"
@@ -372,4 +376,4 @@ class TestExecuteAndCancelIntegration:
             await cancel(mock_context, mock_event_queue)
 
             with pytest.raises(asyncio.CancelledError):
-                await execute_task
+                await execute_task

lib/crewai-a2a/tests/agents/test_a2a_trust_completion_status.py

@@ -2,9 +2,9 @@
 
 from unittest.mock import MagicMock, patch
 
+from crewai.a2a.config import A2AConfig
 import pytest
 
-from crewai.a2a.config import A2AConfig
 
 try:
     from a2a.types import Message, Role
@@ -27,9 +27,8 @@ def _create_mock_agent_card(name: str = "Test", url: str = "http://test-endpoint
 @pytest.mark.skipif(not A2A_SDK_INSTALLED, reason="Requires a2a-sdk to be installed")
 def test_trust_remote_completion_status_true_returns_directly():
     """When trust_remote_completion_status=True and A2A returns completed, return result directly."""
-    from crewai.a2a.wrapper import _delegate_to_a2a
-    from crewai.a2a.types import AgentResponseProtocol
     from crewai import Agent, Task
+    from crewai.a2a.wrapper import _delegate_to_a2a
 
     a2a_config = A2AConfig(
         endpoint="http://test-endpoint.com",
@@ -83,8 +82,8 @@ def test_trust_remote_completion_status_true_returns_directly():
 @pytest.mark.skipif(not A2A_SDK_INSTALLED, reason="Requires a2a-sdk to be installed")
 def test_trust_remote_completion_status_false_continues_conversation():
     """When trust_remote_completion_status=False and A2A returns completed, ask server agent."""
-    from crewai.a2a.wrapper import _delegate_to_a2a
     from crewai import Agent, Task
+    from crewai.a2a.wrapper import _delegate_to_a2a
 
     a2a_config = A2AConfig(
         endpoint="http://test-endpoint.com",
@@ -152,4 +151,4 @@ def test_default_trust_remote_completion_status_is_false():
         endpoint="http://test-endpoint.com",
     )
 
-    assert a2a_config.trust_remote_completion_status is False
+    assert a2a_config.trust_remote_completion_status is False

lib/crewai-a2a/tests/agents/test_agent_a2a_kickoff.py

@@ -4,10 +4,9 @@ from __future__ import annotations
 
 import os
 
-import pytest
-
 from crewai import Agent
 from crewai.a2a.config import A2AClientConfig
+import pytest
 
 
 A2A_TEST_ENDPOINT = os.getenv(
@@ -50,9 +49,7 @@ class TestAgentA2AKickoff:
 
     @pytest.mark.skip(reason="VCR cassette matching issue with agent card caching")
     @pytest.mark.vcr()
-    def test_agent_kickoff_with_calculator_skill(
-        self, researcher_agent: Agent
-    ) -> None:
+    def test_agent_kickoff_with_calculator_skill(self, researcher_agent: Agent) -> None:
         """Test that agent can delegate calculation to A2A server."""
         result = researcher_agent.kickoff(
             "Ask the remote A2A agent to calculate 25 times 17."
@@ -149,9 +146,7 @@ class TestAgentA2AKickoff:
 
     @pytest.mark.skip(reason="VCR cassette matching issue with agent card caching")
     @pytest.mark.vcr()
-    def test_agent_kickoff_with_list_messages(
-        self, researcher_agent: Agent
-    ) -> None:
+    def test_agent_kickoff_with_list_messages(self, researcher_agent: Agent) -> None:
         """Test that agent.kickoff() works with list of messages."""
         messages = [
             {

lib/crewai-a2a/tests/agents/test_agent_a2a_wrapping.py

@@ -1,14 +1,12 @@
 """Test A2A wrapper is only applied when a2a is passed to Agent."""
 
-from unittest.mock import patch
-
-import pytest
-
 from crewai import Agent
 from crewai.a2a.config import A2AConfig
+import pytest
+
 
 try:
-    import a2a  # noqa: F401
+    import a2a
 
     A2A_SDK_INSTALLED = True
 except ImportError:
@@ -106,6 +104,9 @@ def test_wrapper_is_applied_differently_per_instance():
         a2a=a2a_config,
     )
 
-    assert agent_without_a2a.execute_task.__func__ is not agent_with_a2a.execute_task.__func__
+    assert (
+        agent_without_a2a.execute_task.__func__
+        is not agent_with_a2a.execute_task.__func__
+    )
     assert not hasattr(agent_without_a2a.execute_task, "__wrapped__")
     assert hasattr(agent_with_a2a.execute_task, "__wrapped__")

lib/crewai/pyproject.toml

@@ -99,10 +99,7 @@ anthropic = [
     "anthropic~=0.73.0",
 ]
 a2a = [
-     "a2a-sdk~=0.3.10",
-     "httpx-auth~=0.23.1",
-     "httpx-sse~=0.4.0",
-     "aiocache[redis,memcached]~=0.12.3",
+    "crewai-a2a",
 ]
 file-processing = [
     "crewai-files",
@@ -140,6 +137,7 @@ torchvision = [
   { index = "pytorch", marker = "python_version < '3.13'" },
 ]
 crewai-files = { workspace = true }
+crewai-a2a = { workspace = true }
 
 
 [build-system]

lib/crewai/src/crewai/a2a/__init__.py

@@ -1,10 +1,57 @@
-"""Agent-to-Agent (A2A) protocol communication module for CrewAI."""
+"""Compatibility shim: ``crewai.a2a`` re-exports :mod:`crewai_a2a`.
 
-from crewai.a2a.config import A2AClientConfig, A2AConfig, A2AServerConfig
+The package lives in the ``crewai-a2a`` distribution (install via the
+``crewai[a2a]`` extra). This module aliases the old import path so existing
+code using ``crewai.a2a.*`` keeps working.
+"""
+
+from __future__ import annotations
+
+from collections.abc import Sequence
+import importlib
+from importlib.abc import Loader, MetaPathFinder
+from importlib.machinery import ModuleSpec
+import sys
+from types import ModuleType
 
 
-__all__ = [
-    "A2AClientConfig",
-    "A2AConfig",
-    "A2AServerConfig",
-]
+try:
+    import crewai_a2a as _crewai_a2a
+except ImportError as exc:
+    raise ImportError(
+        "crewai.a2a requires the 'crewai-a2a' package. "
+        "Install it with: pip install 'crewai[a2a]'"
+    ) from exc
+
+
+class _A2AAliasFinder(MetaPathFinder, Loader):
+    _SRC = "crewai.a2a"
+    _DST = "crewai_a2a"
+
+    def find_spec(
+        self,
+        fullname: str,
+        path: Sequence[str] | None = None,
+        target: ModuleType | None = None,
+    ) -> ModuleSpec | None:
+        if fullname == self._SRC or fullname.startswith(self._SRC + "."):
+            return ModuleSpec(fullname, self)
+        return None
+
+    def create_module(self, spec: ModuleSpec) -> ModuleType:
+        target = self._DST + spec.name[len(self._SRC) :]
+        module = importlib.import_module(target)
+        sys.modules[spec.name] = module
+        return module
+
+    def exec_module(self, module: ModuleType) -> None:
+        return None
+
+
+if not any(isinstance(f, _A2AAliasFinder) for f in sys.meta_path):
+    sys.meta_path.insert(0, _A2AAliasFinder())
+
+for _attr in getattr(_crewai_a2a, "__all__", []):
+    globals()[_attr] = getattr(_crewai_a2a, _attr)
+
+__all__ = list(getattr(_crewai_a2a, "__all__", []))

lib/crewai/src/crewai/a2a/auth/schemas.py

@@ -1,71 +0,0 @@
-"""Deprecated: Authentication schemes for A2A protocol agents.
-
-This module is deprecated. Import from crewai.a2a.auth instead:
-- crewai.a2a.auth.ClientAuthScheme (replaces AuthScheme)
-- crewai.a2a.auth.BearerTokenAuth
-- crewai.a2a.auth.HTTPBasicAuth
-- crewai.a2a.auth.HTTPDigestAuth
-- crewai.a2a.auth.APIKeyAuth
-- crewai.a2a.auth.OAuth2ClientCredentials
-- crewai.a2a.auth.OAuth2AuthorizationCode
-"""
-
-from __future__ import annotations
-
-from typing_extensions import deprecated
-
-from crewai.a2a.auth.client_schemes import (
-    APIKeyAuth as _APIKeyAuth,
-    BearerTokenAuth as _BearerTokenAuth,
-    ClientAuthScheme as _ClientAuthScheme,
-    HTTPBasicAuth as _HTTPBasicAuth,
-    HTTPDigestAuth as _HTTPDigestAuth,
-    OAuth2AuthorizationCode as _OAuth2AuthorizationCode,
-    OAuth2ClientCredentials as _OAuth2ClientCredentials,
-)
-
-
-@deprecated("Use ClientAuthScheme from crewai.a2a.auth instead", category=FutureWarning)
-class AuthScheme(_ClientAuthScheme):
-    """Deprecated: Use ClientAuthScheme from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class BearerTokenAuth(_BearerTokenAuth):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class HTTPBasicAuth(_HTTPBasicAuth):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class HTTPDigestAuth(_HTTPDigestAuth):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class APIKeyAuth(_APIKeyAuth):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class OAuth2ClientCredentials(_OAuth2ClientCredentials):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-@deprecated("Import from crewai.a2a.auth instead", category=FutureWarning)
-class OAuth2AuthorizationCode(_OAuth2AuthorizationCode):
-    """Deprecated: Import from crewai.a2a.auth instead."""
-
-
-__all__ = [
-    "APIKeyAuth",
-    "AuthScheme",
-    "BearerTokenAuth",
-    "HTTPBasicAuth",
-    "HTTPDigestAuth",
-    "OAuth2AuthorizationCode",
-    "OAuth2ClientCredentials",
-]

pyproject.toml

@@ -108,6 +108,7 @@ ignore-decorators = ["typing.overload"]
 "lib/crewai/tests/**/*.py" = ["S101", "RET504", "S105", "S106"]  # Allow assert statements, unnecessary assignments, and hardcoded passwords in tests
 "lib/crewai-tools/tests/**/*.py" = ["S101", "RET504", "S105", "S106", "RUF012", "N818", "E402", "RUF043", "S110", "B017"]  # Allow various test-specific patterns
 "lib/crewai-files/tests/**/*.py" = ["S101", "RET504", "S105", "S106", "B017", "F841"]  # Allow assert statements and blind exception assertions in tests
+"lib/crewai-a2a/tests/**/*.py" = ["S101", "RET504", "S105", "S106", "B017", "F841", "F401", "RUF012"]  # Allow assert statements and blind exception assertions in tests
 "lib/devtools/tests/**/*.py" = ["S101"]
 
 
@@ -121,7 +122,7 @@ warn_return_any = true
 show_error_codes = true
 warn_unused_ignores = true
 python_version = "3.12"
-exclude = "(?x)(^lib/crewai/src/crewai/cli/templates/|^lib/crewai/tests/|^lib/crewai-tools/tests/|^lib/crewai-files/tests/)"
+exclude = "(?x)(^lib/crewai/src/crewai/cli/templates/|^lib/crewai/tests/|^lib/crewai-tools/tests/|^lib/crewai-files/tests/|^lib/crewai-a2a/tests/)"
 plugins = ["pydantic.mypy"]
 
 
@@ -190,6 +191,7 @@ members = [
     "lib/crewai-tools",
     "lib/devtools",
     "lib/crewai-files",
+    "lib/crewai-a2a",
 ]
 
 
@@ -198,3 +200,4 @@ crewai = { workspace = true }
 crewai-tools = { workspace = true }
 crewai-devtools = { workspace = true }
 crewai-files = { workspace = true }
+crewai-a2a = { workspace = true }

uv.lock

@@ -13,12 +13,13 @@ resolution-markers = [
 ]
 
 [options]
-exclude-newer = "2026-04-10T18:30:59.748668Z"
+exclude-newer = "2026-04-11T13:34:53.333824Z"
 exclude-newer-span = "P3D"
 
 [manifest]
 members = [
     "crewai",
+    "crewai-a2a",
     "crewai-devtools",
     "crewai-files",
     "crewai-tools",
@@ -1267,10 +1268,7 @@ dependencies = [
 
 [package.optional-dependencies]
 a2a = [
-    { name = "a2a-sdk" },
-    { name = "aiocache", extra = ["memcached", "redis"] },
-    { name = "httpx-auth" },
-    { name = "httpx-sse" },
+    { name = "crewai-a2a" },
 ]
 anthropic = [
     { name = "anthropic" },
@@ -1327,9 +1325,7 @@ watson = [
 
 [package.metadata]
 requires-dist = [
-    { name = "a2a-sdk", marker = "extra == 'a2a'", specifier = "~=0.3.10" },
     { name = "aiobotocore", marker = "extra == 'aws'", specifier = "~=3.4.0" },
-    { name = "aiocache", extras = ["memcached", "redis"], marker = "extra == 'a2a'", specifier = "~=0.12.3" },
     { name = "aiofiles", specifier = "~=24.1.0" },
     { name = "aiosqlite", specifier = "~=0.21.0" },
     { name = "anthropic", marker = "extra == 'anthropic'", specifier = "~=0.73.0" },
@@ -1339,13 +1335,12 @@ requires-dist = [
     { name = "boto3", marker = "extra == 'bedrock'", specifier = "~=1.42.79" },
     { name = "chromadb", specifier = "~=1.1.0" },
     { name = "click", specifier = "~=8.1.7" },
+    { name = "crewai-a2a", marker = "extra == 'a2a'", editable = "lib/crewai-a2a" },
     { name = "crewai-files", marker = "extra == 'file-processing'", editable = "lib/crewai-files" },
     { name = "crewai-tools", marker = "extra == 'tools'", editable = "lib/crewai-tools" },
     { name = "docling", marker = "extra == 'docling'", specifier = "~=2.84.0" },
     { name = "google-genai", marker = "extra == 'google-genai'", specifier = "~=1.65.0" },
     { name = "httpx", specifier = "~=0.28.1" },
-    { name = "httpx-auth", marker = "extra == 'a2a'", specifier = "~=0.23.1" },
-    { name = "httpx-sse", marker = "extra == 'a2a'", specifier = "~=0.4.0" },
     { name = "ibm-watsonx-ai", marker = "extra == 'watson'", specifier = "~=1.3.39" },
     { name = "instructor", specifier = ">=1.3.3" },
     { name = "json-repair", specifier = "~=0.25.2" },
@@ -1382,6 +1377,24 @@ requires-dist = [
 ]
 provides-extras = ["a2a", "anthropic", "aws", "azure-ai-inference", "bedrock", "docling", "embeddings", "file-processing", "google-genai", "litellm", "mem0", "openpyxl", "pandas", "qdrant", "qdrant-edge", "tools", "voyageai", "watson"]
 
+[[package]]
+name = "crewai-a2a"
+source = { editable = "lib/crewai-a2a" }
+dependencies = [
+    { name = "a2a-sdk" },
+    { name = "aiocache", extra = ["memcached", "redis"] },
+    { name = "httpx-auth" },
+    { name = "httpx-sse" },
+]
+
+[package.metadata]
+requires-dist = [
+    { name = "a2a-sdk", specifier = "~=0.3.10" },
+    { name = "aiocache", extras = ["memcached", "redis"], specifier = "~=0.12.3" },
+    { name = "httpx-auth", specifier = "~=0.23.1" },
+    { name = "httpx-sse", specifier = "~=0.4.0" },
+]
+
 [[package]]
 name = "crewai-devtools"
 source = { editable = "lib/devtools" }