codecanvas-mcp
Precision static-analysis MCP server for Python codebases. Gives coding agents ground-truth answers about call graphs, control flow, and change impact — instead of grepping and guessing.
Tools
list_entrypoints— API routes, scripts, and function entrypointsfind_symbols— exact-first search with score floor and separated suggestionswho_calls/call_tree— reverse and forward call graph, N hopswhat_does— signature, docstring, db/http/raise effects, riskfunction_flow— structured branch subjects/scopes plus compatibility outlineverify_claim— conservative reachability verdict from call paths and guardsreaching_conditions— the guard conditions behind every return/raiseanalyze_impact— changed functions and affected entrypoints/public surface for a diff or git ref
Usage
claude mcp add codecanvas -- uvx codecanvas-mcp
Or in any MCP client config:
{ "mcpServers": { "codecanvas": { "command": "uvx", "args": ["codecanvas-mcp"] } } }
Pass project_path on the first tool call; it is remembered for the rest
of the session.
Extras
The base install is analysis-only. pip install "codecanvas-mcp[server]"
adds the FastAPI web server and runtime tracer used by the
CodeCanvas VS Code extension.
1 maintainer
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