diff --git a/lib/crewai/src/crewai/agent/core.py b/lib/crewai/src/crewai/agent/core.py
index e468a0828..6e71a966c 100644
--- a/lib/crewai/src/crewai/agent/core.py
+++ b/lib/crewai/src/crewai/agent/core.py
@@ -66,7 +66,7 @@ from crewai.mcp.tool_resolver import MCPToolResolver
 from crewai.rag.embeddings.types import EmbedderConfig
 from crewai.security.fingerprint import Fingerprint
 from crewai.skills.loader import activate_skill, discover_skills
-from crewai.skills.models import DisclosureLevel, Skill as SkillModel
+from crewai.skills.models import INSTRUCTIONS, Skill as SkillModel
 from crewai.tools.agent_tools.agent_tools import AgentTools
 from crewai.utilities.agent_utils import (
     get_tool_names,
@@ -314,10 +314,7 @@ class Agent(BaseAgent):
 
         needs_work = self.skills and any(
             isinstance(s, Path)
-            or (
-                isinstance(s, SkillModel)
-                and s.disclosure_level < DisclosureLevel.INSTRUCTIONS
-            )
+            or (isinstance(s, SkillModel) and s.disclosure_level < INSTRUCTIONS)
             for s in self.skills
         )
         if not needs_work and not crew_skills:
diff --git a/lib/crewai/src/crewai/skills/__init__.py b/lib/crewai/src/crewai/skills/__init__.py
index 5fa337fa3..b2b5f059f 100644
--- a/lib/crewai/src/crewai/skills/__init__.py
+++ b/lib/crewai/src/crewai/skills/__init__.py
@@ -10,6 +10,9 @@ from crewai.skills.loader import (
     load_resources,
 )
 from crewai.skills.models import (
+    INSTRUCTIONS,
+    METADATA,
+    RESOURCES,
     DisclosureLevel,
     ResourceDirName,
     Skill,
@@ -20,6 +23,9 @@ from crewai.skills.validation import coerce_skill_paths
 
 
 __all__ = [
+    "INSTRUCTIONS",
+    "METADATA",
+    "RESOURCES",
     "DisclosureLevel",
     "ResourceDirName",
     "Skill",
diff --git a/lib/crewai/src/crewai/skills/loader.py b/lib/crewai/src/crewai/skills/loader.py
index 79c6ee3f9..78e244f90 100644
--- a/lib/crewai/src/crewai/skills/loader.py
+++ b/lib/crewai/src/crewai/skills/loader.py
@@ -10,10 +10,6 @@ import logging
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-
-if TYPE_CHECKING:
-    from crewai.agents.agent_builder.base_agent import BaseAgent
-
 from crewai.events.event_bus import crewai_event_bus
 from crewai.events.types.skill_events import (
     SkillActivatedEvent,
@@ -22,7 +18,7 @@ from crewai.events.types.skill_events import (
     SkillLoadFailedEvent,
     SkillLoadedEvent,
 )
-from crewai.skills.models import DisclosureLevel, Skill
+from crewai.skills.models import INSTRUCTIONS, RESOURCES, Skill
 from crewai.skills.parser import (
     SKILL_FILENAME,
     load_skill_instructions,
@@ -31,6 +27,9 @@ from crewai.skills.parser import (
 )
 
 
+if TYPE_CHECKING:
+    from crewai.agents.agent_builder.base_agent import BaseAgent
+
 _logger = logging.getLogger(__name__)
 
 
@@ -80,7 +79,7 @@ def discover_skills(
                         from_agent=source,
                         skill_name=skill.name,
                         skill_path=skill.path,
-                        disclosure_level=skill.disclosure_level.value,
+                        disclosure_level=skill.disclosure_level,
                     ),
                 )
         except Exception as e:
@@ -125,7 +124,7 @@ def activate_skill(
     Returns:
         Skill at INSTRUCTIONS level or higher.
     """
-    if skill.disclosure_level >= DisclosureLevel.INSTRUCTIONS:
+    if skill.disclosure_level >= INSTRUCTIONS:
         return skill
 
     activated = load_skill_instructions(skill)
@@ -137,7 +136,7 @@ def activate_skill(
                 from_agent=source,
                 skill_name=activated.name,
                 skill_path=activated.path,
-                disclosure_level=activated.disclosure_level.value,
+                disclosure_level=activated.disclosure_level,
             ),
         )
 
@@ -168,14 +167,14 @@ def format_skill_context(skill: Skill) -> str:
     Returns:
         Formatted skill context string.
     """
-    if skill.disclosure_level >= DisclosureLevel.INSTRUCTIONS and skill.instructions:
+    if skill.disclosure_level >= INSTRUCTIONS and skill.instructions:
         parts = [
             f"## Skill: {skill.name}",
             skill.description,
             "",
             skill.instructions,
         ]
-        if skill.disclosure_level >= DisclosureLevel.RESOURCES and skill.resource_files:
+        if skill.disclosure_level >= RESOURCES and skill.resource_files:
             parts.append("")
             parts.append("### Available Resources")
             for dir_name, files in sorted(skill.resource_files.items()):
diff --git a/lib/crewai/src/crewai/skills/models.py b/lib/crewai/src/crewai/skills/models.py
index 987f1cdfc..cde2b4f3b 100644
--- a/lib/crewai/src/crewai/skills/models.py
+++ b/lib/crewai/src/crewai/skills/models.py
@@ -6,9 +6,8 @@ progressive disclosure of skill information.
 
 from __future__ import annotations
 
-from enum import IntEnum
 from pathlib import Path
-from typing import Any, Final, Literal
+from typing import Annotated, Any, Final, Literal
 
 from pydantic import BaseModel, ConfigDict, Field, model_validator
 
@@ -23,18 +22,22 @@ MAX_DESCRIPTION_LENGTH: Final[int] = 1024
 ResourceDirName = Literal["scripts", "references", "assets"]
 
 
-class DisclosureLevel(IntEnum):
-    """Progressive disclosure levels for skill loading.
+DisclosureLevel = Annotated[
+    Literal[1, 2, 3], "Progressive disclosure levels for skill loading."
+]
 
-    Attributes:
-        METADATA: Only frontmatter metadata is loaded (name, description).
-        INSTRUCTIONS: Full SKILL.md body is loaded.
-        RESOURCES: Resource directories (scripts, references, assets) are cataloged.
-    """
-
-    METADATA = 1
-    INSTRUCTIONS = 2
-    RESOURCES = 3
+METADATA: Final[
+    Annotated[
+        DisclosureLevel, "Only frontmatter metadata is loaded (name, description)."
+    ]
+] = 1
+INSTRUCTIONS: Final[Annotated[DisclosureLevel, "Full SKILL.md body is loaded."]] = 2
+RESOURCES: Final[
+    Annotated[
+        DisclosureLevel,
+        "Resource directories (scripts, references, assets) are cataloged.",
+    ]
+] = 3
 
 
 class SkillFrontmatter(BaseModel):
@@ -110,7 +113,7 @@ class Skill(BaseModel):
         description="Filesystem path to the skill directory.",
     )
     disclosure_level: DisclosureLevel = Field(
-        default=DisclosureLevel.METADATA,
+        default=METADATA,
         description="Current progressive disclosure level of the skill.",
     )
     resource_files: dict[ResourceDirName, list[str]] | None = Field(
diff --git a/lib/crewai/src/crewai/skills/parser.py b/lib/crewai/src/crewai/skills/parser.py
index 3c6eb5d7a..d935e6ad1 100644
--- a/lib/crewai/src/crewai/skills/parser.py
+++ b/lib/crewai/src/crewai/skills/parser.py
@@ -9,12 +9,14 @@ from __future__ import annotations
 import logging
 from pathlib import Path
 import re
-from typing import Any
+from typing import Any, Final
 
 import yaml
 
 from crewai.skills.models import (
-    DisclosureLevel,
+    INSTRUCTIONS,
+    METADATA,
+    RESOURCES,
     ResourceDirName,
     Skill,
     SkillFrontmatter,
@@ -25,9 +27,9 @@ from crewai.skills.validation import validate_directory_name
 _logger = logging.getLogger(__name__)
 
 
-SKILL_FILENAME: str = "SKILL.md"
-_CLOSING_DELIMITER: re.Pattern[str] = re.compile(r"\n---[ \t]*(?:\n|$)")
-_MAX_BODY_CHARS: int = 50_000
+SKILL_FILENAME: Final[str] = "SKILL.md"
+_CLOSING_DELIMITER: Final[re.Pattern[str]] = re.compile(r"\n---[ \t]*(?:\n|$)")
+_MAX_BODY_CHARS: Final[int] = 50_000
 
 
 class SkillParseError(ValueError):
@@ -120,7 +122,7 @@ def load_skill_metadata(skill_dir: Path) -> Skill:
     return Skill(
         frontmatter=frontmatter,
         path=skill_dir,
-        disclosure_level=DisclosureLevel.METADATA,
+        disclosure_level=METADATA,
     )
 
 
@@ -135,7 +137,7 @@ def load_skill_instructions(skill: Skill) -> Skill:
     Returns:
         New Skill instance at INSTRUCTIONS level.
     """
-    if skill.disclosure_level >= DisclosureLevel.INSTRUCTIONS:
+    if skill.disclosure_level >= INSTRUCTIONS:
         return skill
 
     skill_md_path = skill.path / SKILL_FILENAME
@@ -149,7 +151,7 @@ def load_skill_instructions(skill: Skill) -> Skill:
             _MAX_BODY_CHARS,
         )
     return skill.with_disclosure_level(
-        level=DisclosureLevel.INSTRUCTIONS,
+        level=INSTRUCTIONS,
         instructions=body,
     )
 
@@ -165,10 +167,10 @@ def load_skill_resources(skill: Skill) -> Skill:
     Returns:
         New Skill instance at RESOURCES level.
     """
-    if skill.disclosure_level >= DisclosureLevel.RESOURCES:
+    if skill.disclosure_level >= RESOURCES:
         return skill
 
-    if skill.disclosure_level < DisclosureLevel.INSTRUCTIONS:
+    if skill.disclosure_level < INSTRUCTIONS:
         skill = load_skill_instructions(skill)
 
     resource_dirs: list[tuple[ResourceDirName, Path]] = [
@@ -186,7 +188,7 @@ def load_skill_resources(skill: Skill) -> Skill:
             )
 
     return skill.with_disclosure_level(
-        level=DisclosureLevel.RESOURCES,
+        level=RESOURCES,
         instructions=skill.instructions,
         resource_files=resource_files,
     )
diff --git a/lib/crewai/src/crewai/skills/validation.py b/lib/crewai/src/crewai/skills/validation.py
index af1472a75..9b5b7d6a0 100644
--- a/lib/crewai/src/crewai/skills/validation.py
+++ b/lib/crewai/src/crewai/skills/validation.py
@@ -6,12 +6,13 @@ Validates skill names and directory structures per the Agent Skills standard.
 from __future__ import annotations
 
 from pathlib import Path
-from typing import Any
+import re
+from typing import Any, Final
 
 
-MAX_SKILL_NAME_LENGTH: int = 64
-MIN_SKILL_NAME_LENGTH: int = 1
-SKILL_NAME_PATTERN: str = r"^[a-z0-9]+(?:-[a-z0-9]+)*$"
+MAX_SKILL_NAME_LENGTH: Final[int] = 64
+MIN_SKILL_NAME_LENGTH: Final[int] = 1
+SKILL_NAME_PATTERN: Final[re.Pattern[str]] = re.compile(r"^[a-z0-9]+(?:-[a-z0-9]+)*$")
 
 
 def coerce_skill_paths(v: list[Any] | None) -> list[Any] | None:
diff --git a/lib/crewai/tests/skills/test_integration.py b/lib/crewai/tests/skills/test_integration.py
index 6159a56dc..23004d79e 100644
--- a/lib/crewai/tests/skills/test_integration.py
+++ b/lib/crewai/tests/skills/test_integration.py
@@ -5,7 +5,7 @@ from pathlib import Path
 import pytest
 
 from crewai.skills.loader import activate_skill, discover_skills, format_skill_context
-from crewai.skills.models import DisclosureLevel
+from crewai.skills.models import INSTRUCTIONS, METADATA
 
 
 def _create_skill_dir(parent: Path, name: str, body: str = "Body.") -> Path:
@@ -25,10 +25,10 @@ class TestSkillDiscoveryAndActivation:
         _create_skill_dir(tmp_path, "my-skill", body="Use this skill.")
         skills = discover_skills(tmp_path)
         assert len(skills) == 1
-        assert skills[0].disclosure_level == DisclosureLevel.METADATA
+        assert skills[0].disclosure_level == METADATA
 
         activated = activate_skill(skills[0])
-        assert activated.disclosure_level == DisclosureLevel.INSTRUCTIONS
+        assert activated.disclosure_level == INSTRUCTIONS
         assert activated.instructions == "Use this skill."
 
         context = format_skill_context(activated)
diff --git a/lib/crewai/tests/skills/test_loader.py b/lib/crewai/tests/skills/test_loader.py
index c3b297e40..8303e19df 100644
--- a/lib/crewai/tests/skills/test_loader.py
+++ b/lib/crewai/tests/skills/test_loader.py
@@ -10,7 +10,7 @@ from crewai.skills.loader import (
     format_skill_context,
     load_resources,
 )
-from crewai.skills.models import DisclosureLevel, Skill, SkillFrontmatter
+from crewai.skills.models import INSTRUCTIONS, METADATA, RESOURCES, Skill, SkillFrontmatter
 from crewai.skills.parser import load_skill_metadata
 
 
@@ -73,7 +73,7 @@ class TestActivateSkill:
         _create_skill_dir(tmp_path, "my-skill", body="Instructions.")
         skill = load_skill_metadata(tmp_path / "my-skill")
         activated = activate_skill(skill)
-        assert activated.disclosure_level == DisclosureLevel.INSTRUCTIONS
+        assert activated.disclosure_level == INSTRUCTIONS
         assert activated.instructions == "Instructions."
 
     def test_idempotent(self, tmp_path: Path) -> None:
@@ -93,7 +93,7 @@ class TestLoadResources:
         (skill_dir / "scripts" / "run.sh").write_text("#!/bin/bash")
         skill = load_skill_metadata(skill_dir)
         full = load_resources(skill)
-        assert full.disclosure_level == DisclosureLevel.RESOURCES
+        assert full.disclosure_level == RESOURCES
 
 
 class TestFormatSkillContext:
@@ -102,7 +102,7 @@ class TestFormatSkillContext:
     def test_metadata_level(self, tmp_path: Path) -> None:
         fm = SkillFrontmatter(name="test-skill", description="A skill")
         skill = Skill(
-            frontmatter=fm, path=tmp_path, disclosure_level=DisclosureLevel.METADATA
+            frontmatter=fm, path=tmp_path, disclosure_level=METADATA
         )
         ctx = format_skill_context(skill)
         assert "## Skill: test-skill" in ctx
@@ -113,7 +113,7 @@ class TestFormatSkillContext:
         skill = Skill(
             frontmatter=fm,
             path=tmp_path,
-            disclosure_level=DisclosureLevel.INSTRUCTIONS,
+            disclosure_level=INSTRUCTIONS,
             instructions="Do these things.",
         )
         ctx = format_skill_context(skill)
@@ -125,7 +125,7 @@ class TestFormatSkillContext:
         skill = Skill(
             frontmatter=fm,
             path=tmp_path,
-            disclosure_level=DisclosureLevel.INSTRUCTIONS,
+            disclosure_level=INSTRUCTIONS,
             instructions=None,
         )
         ctx = format_skill_context(skill)
@@ -136,7 +136,7 @@ class TestFormatSkillContext:
         skill = Skill(
             frontmatter=fm,
             path=tmp_path,
-            disclosure_level=DisclosureLevel.RESOURCES,
+            disclosure_level=RESOURCES,
             instructions="Do things.",
             resource_files={
                 "scripts": ["run.sh"],
@@ -153,7 +153,7 @@ class TestFormatSkillContext:
         skill = Skill(
             frontmatter=fm,
             path=tmp_path,
-            disclosure_level=DisclosureLevel.RESOURCES,
+            disclosure_level=RESOURCES,
             instructions="Do things.",
             resource_files={},
         )
diff --git a/lib/crewai/tests/skills/test_models.py b/lib/crewai/tests/skills/test_models.py
index 8de07b7b5..57f15d763 100644
--- a/lib/crewai/tests/skills/test_models.py
+++ b/lib/crewai/tests/skills/test_models.py
@@ -4,20 +4,26 @@ from pathlib import Path
 
 import pytest
 
-from crewai.skills.models import DisclosureLevel, Skill, SkillFrontmatter
+from crewai.skills.models import (
+    INSTRUCTIONS,
+    METADATA,
+    RESOURCES,
+    Skill,
+    SkillFrontmatter,
+)
 
 
 class TestDisclosureLevel:
-    """Tests for DisclosureLevel enum."""
+    """Tests for DisclosureLevel constants."""
 
     def test_ordering(self) -> None:
-        assert DisclosureLevel.METADATA < DisclosureLevel.INSTRUCTIONS
-        assert DisclosureLevel.INSTRUCTIONS < DisclosureLevel.RESOURCES
+        assert METADATA < INSTRUCTIONS
+        assert INSTRUCTIONS < RESOURCES
 
     def test_values(self) -> None:
-        assert DisclosureLevel.METADATA == 1
-        assert DisclosureLevel.INSTRUCTIONS == 2
-        assert DisclosureLevel.RESOURCES == 3
+        assert METADATA == 1
+        assert INSTRUCTIONS == 2
+        assert RESOURCES == 3
 
 
 class TestSkillFrontmatter:
@@ -62,7 +68,7 @@ class TestSkill:
         skill = Skill(frontmatter=fm, path=tmp_path / "test-skill")
         assert skill.name == "test-skill"
         assert skill.description == "desc"
-        assert skill.disclosure_level == DisclosureLevel.METADATA
+        assert skill.disclosure_level == METADATA
 
     def test_resource_dirs(self, tmp_path: Path) -> None:
         skill_dir = tmp_path / "test-skill"
@@ -77,9 +83,9 @@ class TestSkill:
         fm = SkillFrontmatter(name="test-skill", description="desc")
         skill = Skill(frontmatter=fm, path=tmp_path)
         promoted = skill.with_disclosure_level(
-            DisclosureLevel.INSTRUCTIONS,
+            INSTRUCTIONS,
             instructions="Do this.",
         )
-        assert promoted.disclosure_level == DisclosureLevel.INSTRUCTIONS
+        assert promoted.disclosure_level == INSTRUCTIONS
         assert promoted.instructions == "Do this."
-        assert skill.disclosure_level == DisclosureLevel.METADATA
+        assert skill.disclosure_level == METADATA
diff --git a/lib/crewai/tests/skills/test_parser.py b/lib/crewai/tests/skills/test_parser.py
index 72d20cd11..dab15d175 100644
--- a/lib/crewai/tests/skills/test_parser.py
+++ b/lib/crewai/tests/skills/test_parser.py
@@ -4,7 +4,7 @@ from pathlib import Path
 
 import pytest
 
-from crewai.skills.models import DisclosureLevel
+from crewai.skills.models import INSTRUCTIONS, METADATA, RESOURCES
 from crewai.skills.parser import (
     SkillParseError,
     load_skill_instructions,
@@ -93,7 +93,7 @@ class TestLoadSkillMetadata:
         )
         skill = load_skill_metadata(skill_dir)
         assert skill.name == "my-skill"
-        assert skill.disclosure_level == DisclosureLevel.METADATA
+        assert skill.disclosure_level == METADATA
         assert skill.instructions is None
 
     def test_directory_name_mismatch(self, tmp_path: Path) -> None:
@@ -117,7 +117,7 @@ class TestLoadSkillInstructions:
         )
         skill = load_skill_metadata(skill_dir)
         promoted = load_skill_instructions(skill)
-        assert promoted.disclosure_level == DisclosureLevel.INSTRUCTIONS
+        assert promoted.disclosure_level == INSTRUCTIONS
         assert promoted.instructions == "Full body."
 
     def test_idempotent(self, tmp_path: Path) -> None:
@@ -148,7 +148,7 @@ class TestLoadSkillResources:
 
         skill = load_skill_metadata(skill_dir)
         full = load_skill_resources(skill)
-        assert full.disclosure_level == DisclosureLevel.RESOURCES
+        assert full.disclosure_level == RESOURCES
         assert full.instructions == "Body."
         assert full.resource_files is not None
         assert "scripts" in full.resource_files