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Enhance MCP tool resolution and related events (#4580)

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* feat: enhance MCP tool resolution

* feat: emit event when MCP configuration fails

* feat: emit event when MCP tool execution has failed

* style: resolve linter issues

* refactor: use clear and natural mcp tool name resolution

* test: fix broken tests

* fix: resolve MCP connection leaks, slug validation, duplicate connections, and httpx exception handling

---------

Co-authored-by: Greyson LaLonde <greyson.r.lalonde@gmail.com>
Co-authored-by: Greyson LaLonde <greyson@crewai.com>
This commit is contained in:
Lucas Gomide
2026-02-26 18:59:30 -03:00
committed by GitHub
parent c4a328c9d5
commit d259150d8d
17 changed files with 2112 additions and 611 deletions
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4
lib/crewai/tests/agents/test_lite_agent.py
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@@ -659,7 +659,7 @@ def test_agent_kickoff_with_platform_tools(mock_get, mock_post):
@patch.dict("os.environ", {"EXA_API_KEY": "test_exa_key"})
@patch("crewai.agent.Agent._get_external_mcp_tools")
@patch("crewai.agent.Agent.get_mcp_tools")
@pytest.mark.vcr()
def test_agent_kickoff_with_mcp_tools(mock_get_mcp_tools):
"""Test that Agent.kickoff() properly integrates MCP tools with LiteAgent"""
@@ -691,7 +691,7 @@ def test_agent_kickoff_with_mcp_tools(mock_get_mcp_tools):
assert result.raw is not None
# Verify MCP tools were retrieved
mock_get_mcp_tools.assert_called_once_with("https://mcp.exa.ai/mcp?api_key=test_exa_key&profile=research")
mock_get_mcp_tools.assert_called_once_with(["https://mcp.exa.ai/mcp?api_key=test_exa_key&profile=research"])
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