one.faf/grok-faf-mcp
Grok FAF
Persistent project context for xAI Grok. IANA-registered .faf format.
alive probed 2026-10-15
12tools
2.8ktokens in Claude Opus 5.5
3.0ktokens in Claude Code
1.4 %of a 200k context window
1.7ko200k_base estimate
324 msto initialize
6 msto list tools
- Run it
- npx -y grok-faf-mcp@2.1.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- grok-faf-mcp 2.1.0
- Capabilities
- resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Wolfe-Jam/grok-faf-mcp
- Website
- https://grok.faf.one
- Registry
- active, updated 2026-10-05 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| refresh_blend | 319 | 19 % |
| refresh_fafm | 257 | 15 % |
| faf_init | 257 | 15 % |
| faf_get_orchestration_policy | 148 | 9 % |
| refresh_faf | 130 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/one.faf/grok-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.