codegraph-mcp

codegraph-mcp

This MCP server enables managing Git repositories via shallow clones and analyzing them with CodeGraph. It provides tools for adding, listing, updating, deleting repositories, and exploring codegraph status and exploration.

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README

CodeGraph MCP

A small Streamable HTTP MCP server that manages shallow Git clones and analyzes them with CodeGraph.

The server exposes repository management and analysis tools at /mcp:

  • repo_add
  • repo_list
  • repo_update
  • repo_delete
  • codegraph_status
  • codegraph_explore

Quick start

The published image is available for Linux ARM64 and AMD64:

docker compose up -d

The MCP endpoint is http://127.0.0.1:8080/mcp.

Repositories are stored in the named Docker volume codegraph-repos. Git uses HTTPS shallow clones with depth 1. Set HTTPS_PROXY when GitHub access requires a proxy:

HTTPS_PROXY=http://host.docker.internal:7890 docker compose up -d

Build on Apple Silicon

Docker Desktop or OrbStack on a Darwin ARM64 host can build the Linux ARM64 image locally:

make image
make up

To rebuild everything:

make image-force

The build downloads and verifies the matching CodeGraph Linux bundle, builds the MCP server with Bun, and creates a shell-free Distroless image.

Configuration

Variable Default Description
CODEGRAPH_MCP_IMAGE ghcr.io/weaming/codegraph-mcp:latest Container image
CODEGRAPH_REPO_ROOT /repos Repository root inside the container
HTTPS_PROXY empty HTTPS proxy for Git
PORT 8080 HTTP port inside the container

Repository IDs use the owner/name format, for example octocat/Hello-World.

repo_update returns updated: true when the remote commit changes and includes an English message describing the update or skipped synchronization.

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