io.github.shbernal/rfc-ai-tooling
RFC lookup
Is the RFC lookup MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
40x fewer tokens while reading the RFC corpus and flag obsoleted specs.
alive probed 2026-11-15 · unchanged since 2026-10-31
3tools
1.4ktokens in Claude Opus 5.5
0.7 %of Claude's 200k window
0.6×the median server
2.4 sto initialize
5 msto list tools
- Run it
- uvx mcp-server-rfc@0.6.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- rfc 0.6.1
- Capabilities
- prompts, resources, tools
- Instructions
- 215 characters
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.4k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 1.5k. The o200k_base estimate is 917. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/shbernal/rfc-ai-tooling
- Registry
- active, updated 2026-10-30 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.55×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| search_rfcs | 631 | 407 | 44 % |
| get_rfc | 532 | 343 | 37 % |
| list_sections | 259 | 167 | 18 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- Xiaohongshu (Little Red Book) MCP Server io.github.shanyang-me/xiaohongshu-mcp · timeout
- ember io.github.shapeandshare/ember · needs args
- Model MCP io.github.sharafutdinovdi/revit-model-mcp · alive
- pykrx-mcp io.github.sharebook-kr/pykrx-mcp · needs mcp<2
- The Cartographer io.github.sheepk95/the-cartographer · alive
- Sinter io.github.shellfu/sinter · needs args
- io.github.shephouse-actors/shephouse-yt-mcp · alive
- Aruba Central MCP io.github.shigechika/aruba-central-mcp · alive
Servers that mention tooling.
- Netbrain Integrated Solutions catalogue za.co.netbrainis/catalogue · alive
- com.mambabuilt/mcp-ai-tooling-detector · alive
- Electron MCP Server io.github.YawLabs/electron-mcp · alive
- webfetch io.github.ashlrai/webfetch · alive
- Pact Tooling io.github.Pact-Community-Organization/pact · crashed on start
- io.github.cyanheads/mcp-ts-template · alive
- ID Protocol io.github.markoblogo/id · crashed on start
- DevTool MCP io.github.standardbeagle/devtool-mcp · crashed on start
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.