io.github.Wolfe-Jam/rust-faf-mcp
rust-faf-mcp
Persistent project context — Rust-native MCP server. IANA-registered .faf format.
alive probed 2026-10-08 · HTTP 200
3tools
333tokens in Claude Opus 5.5
375tokens in Claude Code
0.2 %of a 200k context window
187o200k_base estimate
1.1 sto initialize
478 msto list tools
- Endpoint
- https://mcpaas.live/rust/mcp/v1 (streamable-http)
- Host
- mcpaas.live
- Protocol
- 2025-11-25
- Reports itself as
- rust-faf-mcp mcpaas-cf@1.8.13
- Capabilities
- experimental, prompts, resources, tasks, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Wolfe-Jam/rust-faf-mcp
- Website
- https://faf.one
- Registry
- deprecated, updated 2026-07-21 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| faf_validate | 64 | 34 % |
| faf_score | 62 | 33 % |
| faf_read | 61 | 33 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-08 11:12 | alive | 1.0 s | 3 | 333 | 187 |
| 2026-10-07 11:10 | alive | 563 ms | 3 | 333 | 187 |
| 2026-10-05 14:29 | alive | 1.1 s | 3 | 333 | 187 |
| 2026-10-05 00:31 | alive | 1.1 s | 3 | 187 | |
| 2026-10-04 10:03 | alive | 788 ms | 3 | 187 | |
| 2026-10-04 07:57 | alive | 649 ms | 3 | 187 | |
| 2026-10-03 20:36 | alive | 726 ms | 3 | 187 | |
| 2026-10-03 17:52 | alive | 625 ms | 3 | 187 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Wolfe-Jam/rust-faf-mcp)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.