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feat: enhance CrewBase MCP tools support to allow selecting multiple tools per agent

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This commit is contained in:
Lucas Gomide
2025-06-25 11:46:55 -03:00
parent a50fae3a4b
commit 5cb632c73a
4 changed files with 241 additions and 8 deletions
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9
src/crewai/project/crew_base.py
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@@ -86,18 +86,17 @@ def CrewBase(cls: T) -> T:
import types import types
return types.MethodType(_close_mcp_server, self) return types.MethodType(_close_mcp_server, self)
def get_mcp_tools(self) -> List[BaseTool]: def get_mcp_tools(self, *tool_names: list[str]) -> List[BaseTool]:
if not self.mcp_server_params: if not self.mcp_server_params:
return [] return []
from crewai_tools import MCPServerAdapter from crewai_tools import MCPServerAdapter
adapter = getattr(self, '_mcp_server_adapter', None) adapter = getattr(self, '_mcp_server_adapter', None)
if adapter and isinstance(adapter, MCPServerAdapter): if not adapter:
return adapter.tools self._mcp_server_adapter = MCPServerAdapter(self.mcp_server_params)
self._mcp_server_adapter = MCPServerAdapter(self.mcp_server_params) return self._mcp_server_adapter.tools.filter_by_names(tool_names or None)
return self._mcp_server_adapter.tools
def load_configurations(self): def load_configurations(self):

111
tests/cassettes/test_before_kickoff_modification.yaml
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111
tests/cassettes/test_before_kickoff_with_none_input.yaml
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18
tests/project_test.py
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@@ -93,6 +93,9 @@ class InternalCrewWithMCP(InternalCrew):
def reporting_analyst(self): def reporting_analyst(self):
return Agent(config=self.agents_config["reporting_analyst"], tools=self.get_mcp_tools()) # type: ignore[index] return Agent(config=self.agents_config["reporting_analyst"], tools=self.get_mcp_tools()) # type: ignore[index]
@agent
def researcher(self):
return Agent(config=self.agents_config["researcher"], tools=self.get_mcp_tools("simple_tool")) # type: ignore[index]
def test_agent_memoization(): def test_agent_memoization():
crew = SimpleCrew() crew = SimpleCrew()
@@ -251,11 +254,20 @@ def simple_tool():
"""Return 'Hi!'""" """Return 'Hi!'"""
return "Hi!" return "Hi!"
@tool
def another_simple_tool():
"""Return 'Hi!'"""
return "Hi!"
def test_internal_crew_with_mcp(): def test_internal_crew_with_mcp():
mock = Mock() from crewai_tools import MCPServerAdapter
mock.tools = [simple_tool] from crewai_tools.adapters.mcp_adapter import ToolCollection
mock = Mock(spec=MCPServerAdapter)
mock.tools = ToolCollection([simple_tool, another_simple_tool])
with patch("crewai_tools.MCPServerAdapter", return_value=mock) as adapter_mock: with patch("crewai_tools.MCPServerAdapter", return_value=mock) as adapter_mock:
crew = InternalCrewWithMCP() crew = InternalCrewWithMCP()
assert crew.reporting_analyst().tools == [simple_tool] assert crew.reporting_analyst().tools == [simple_tool, another_simple_tool]
assert crew.researcher().tools == [simple_tool]
adapter_mock.assert_called_once_with({"host": "localhost", "port": 8000}) adapter_mock.assert_called_once_with({"host": "localhost", "port": 8000})