Fix Team.get_agentlet() signature for MCP server compatibility#1219
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The Team class was missing the active_mcp_servers parameter that was added to support MCP servers in the Agent class. This caused a TypeError when teams were used in environments with MCP servers enabled. Fixes #1218 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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Pull Request Overview
This PR fixes a method signature incompatibility in the Team class that was causing TypeErrors when using teams in environments with MCP servers enabled. The issue arose when MCP server support was added to the Agent class but the Team class wasn't updated accordingly.
- Added
active_mcp_serversparameter toTeam.get_agentlet()method signature - Updated the method to pass the parameter through to the active member's
get_agentlet()call - Added comprehensive test coverage for the new functionality
Reviewed Changes
Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| src/marvin/agents/team.py | Added active_mcp_servers parameter to method signature and pass-through logic |
| tests/basic/actors/test_team.py | Added test case to verify proper handling of MCP servers parameter |
| examples/hello_team.py | Added example demonstrating Teams functionality |
| docs/api-reference/marvin-agents-team.mdx | Updated API documentation to reflect new method signature |
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| from unittest.mock import AsyncMock, MagicMock | ||
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| from pydantic_ai.mcp import MCPServer | ||
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[nitpick] Import statements should be placed at the top of the file rather than inside functions for better code organization and consistency.
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Summary
Team.get_agentlet()method signature to accept theactive_mcp_serversparameterThe Issue
The Teams/Swarm feature was broken due to a signature mismatch. When MCP server support was added to the Agent class, the
Team.get_agentlet()method wasn't updated to accept the newactive_mcp_serversparameter, causing a TypeError.The Fix
Updated
Team.get_agentlet()to:active_mcp_serversparameter in its signatureget_agentlet()callTest Plan
uv run pytest tests/basic/actors/test_team.py)Fixes #1218
🤖 Generated with Claude Code