Fix server startup issues on Python 3.12+ #1
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…patibility) and adapt to new API - Upgrade FastMCP from 2.4.0 to >=2.11.2 (fixes Pydantic field bug) - Refactor tool registration to use `@server.tool()` decorators (required by new FastMCP version) - Migrate SSE path config to use env variables (since prev method is now deprecated by FastMCP) All changes are interdependent to maintain the server in a working state
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Overview
Hi, I ran into problems trying to start the server after installing it using
uv sync.This PR fixes the 2 issues required to get the server to start on Python 3.12+.
The server now successfully starts using:
uv run python -m src.main(as in the README)uv run sourcegraph-mcpalso works, of courseuv run python src/main.pyFixes
Import path mismatch (fixed in f39dd6d)
from server import ...)from sourcegraph_mcp.server import ...)FastMCP issues (fixed in 5fe47fe)
fastmcpdep from==2.4.0to>=2.11.2(to integrate upstream fix for Python 3.12+ "default vs default_factory" bug)@server.tool()decorators (as needed by newFastMCP API)
FASTMCP_SSE_PATH,FASTMCP_MESSAGE_PATH) and updated Dockerfile,.env.sample, and README accordingly