io.github.GeRiY/callgraph
callgraph
Is the callgraph MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.
AST call graph and code map for AI coding agents: PHP, JS, TS, Vue, Rust, Swift, Python, Go.
alive probed 2026-11-14 · unchanged since 2026-11-13
- Bundle
- https://github.com/GeRiY/callgraph/releases/download/v0.9.5/callgraph.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
- Host
- github.com
- Reports itself as
- callgraph 0.9.5
- Capabilities
- tools
- Instructions
- 5 579 characters
- Of a 1M window
- 0.5 % of a 1M context window
- Count
- 5.4k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 5.5k. The o200k_base estimate is 3.4k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/GeRiY/callgraph
- Website
- https://callgraph.eu
- Registry
- active, updated 2026-11-13 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.59×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| find_callers | 793 | 498 | 15 % |
| locate | 782 | 491 | 14 % |
| outline | 753 | 473 | 14 % |
| method_body | 642 | 403 | 12 % |
| next | 586 | 368 | 11 % |
Compare this server with others.
More servers
Other registry entries on github.com, the ones next to this name; all of them.
- io.github.FerhatDundar/github-mcp-connector · install failed
- io.github.FerhatDundar/s3-mcp-connector · install failed
- mwe-mcp — Memory Wiki Engine io.github.Fr4nZ82/mwe-mcp · not probed
- FreeApply io.github.FreeApply/freeapply · alive
- io.github.GhostlyGawd/engineering-board · alive
- io.github.Gorgon-Cyber/gorgon-scout · error
- AgentBridge io.github.Graphene-Lab/agentbridge · error
- Graphicle io.github.Graphicle-AI/graphicle · crashed on start
Servers that mention coding or graph.
- ac.snag/snag · needs auth
- ai.baselight/baselight · no DNS
- Bunzee ai.bunzee/bunzee · needs auth
- Can I Vibe? — AI coding provider status ai.canivibe/status · alive
- CoinGraph ai.coingraph/coingraph · needs auth
- CueFrame ai.cueframe/cueframe · alive
- ai.edusignal/districts · needs auth
- ai.echoloc/company-technographics · alive
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.