Allows ingesting any GitHub repository's code into a Neo4j knowledge graph and provides tools to query the graph for file dependencies, structure, function definitions, and more.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@codegraph-mcp show me the structure of the src directory in facebook/react"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Knowledge-Graph MCP Server for GitHub repos. Ingests any GitHub repo's code into a Neo4j graph (Repository / File / Function nodes; CONTAINS / DEFINES / IMPORTS / CALLS edges) and exposes that graph as read-only MCP tools to any MCP host — Claude Desktop, opencode, Cursor, or any client that speaks the Model Context Protocol.
v0.1 — stdio transport, Neo4j 5.x backend, Python ast + tree-sitter (JS/TS/TSX) parsing.
Related MCP server: revibe-mcp
git clone <codegraph-mcp> && cd codegraph-mcp
uv sync --extra dev # all deps pinned via uv.lock
docker compose up -d # Neo4j on bolt://localhost:7687
cp .env.example .env
uv run pytest -m "not slow and not integration"uv run codegraph ingest https://github.com/<owner>/<name>
# → {"graph_id": "owner/name", "files": 142, "functions": 880, ...}claude_desktop_config.json){
"mcpServers": {
"codegraph": {
"command": "uv",
"args": ["run", "--directory", "C:\\path\\to\\codegraph-mcp", "codegraph", "serve"]
}
}
}opencode.json){
"mcp": {
"codegraph": {
"type": "local",
"command": ["uv", "run", "--directory", "/path/to/codegraph-mcp", "codegraph", "serve"]
}
}
}~/.cursor/mcp.json){
"mcpServers": {
"codegraph": {
"command": "uv",
"args": ["run", "--directory", "/path/to/codegraph-mcp", "codegraph", "serve"]
}
}
}uv run mcp dev src/codegraph/server.pyCommand | Purpose |
| Clone + parse + load a repo into Neo4j |
| Run the MCP server (stdio) — spawned by the MCP host |
| Hard-wipe one repo from Neo4j (destructive) |
| List ingested repos |
Tool | Purpose |
| List ingested repos |
| Confirm a repo's graph exists; return file/function counts |
| Tiered tree view under a path |
| Flagship: what files/funcs depend on (or are depended on by) a file |
| Find functions/files by name |
| Deep detail on one node (line range, kind) |
Python 3.11+, mcp>=1.27,<2 (stable v1.x FastMCP), Neo4j 5.x, pydantic v2, tree-sitter, GitPython, pytest, ruff, mypy, uv.
See CONTRIBUTING.md for architecture, conventions, and testing strategy.
Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.
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