Mar 22 • CrewAI
Pydantic v2 Compatibility Issue with CrewAI MCP Tools Integration
Hi guys, i hope you are well, I'm encountering a compatibility issue while integrating Model Context Protocol (MCP) tools with CrewAI. The error occurs specifically during tool instantiation, preventing the creation of MCP tools for CrewAI agents.
Error:
Tool creation error (echo): 'MCPSpecificTool' object has no attribute '__pydantic_private__'
Tool creation error (tavily_search): 'MCPSpecificTool' object has no attribute '__pydantic_private__'
current status:
- MCP Server successfully starts and registers tools
- Server confirms 2 tools available: echo and tavily_search
- Client fails to create tool instances
- Result: 0 tools available to CrewAI agents
Does anyone know how to fix this problem, or maybe you know some resources that use crewai and mcp
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Pydantic v2 Compatibility Issue with CrewAI MCP Tools Integration
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