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Fixed
- Pin the
mcpextra to>=1.0,<2.0. The MCP server uses the mcp 1.x low-levelServerAPI (@server.list_tools()/@server.call_tool()), which mcp 2.0 removed. A freshpip install 'yaml-workflow[mcp]'previously resolved to mcp 2.0 and crashed on startup with'Server' object has no attribute 'list_tools'; the pin restores a working server.
Full Changelog: v0.9.5...v0.9.6