sh.fettle/mcp
Fettle
Uptime monitoring for developers — monitors, incidents, heartbeats, maintenance, status pages
alive probed 2026-10-15 · HTTP 200
49tools
26ktokens in Claude Opus 5.5
26ktokens in Claude Code
13.0 %of a 200k context window
16ko200k_base estimate
501 msto initialize
206 msto list tools
- Endpoint
- https://api.fettle.sh/mcp (streamable-http)
- Host
- api.fettle.sh
- Protocol
- 2025-11-25
- Reports itself as
- fettle.sh 1.3.1
- Capabilities
- tools
- Instructions
- 3 940 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/fettlesh/monitoring-mcp
- Website
- https://fettle.sh/docs/mcp
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 9 of the last 9 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| create_monitor | 1 651 | 10 % |
| update_monitor | 1 553 | 10 % |
| bulk_create_monitors | 726 | 5 % |
| list_incidents | 636 | 4 % |
| create_heartbeat | 621 | 4 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 11:50 | alive | 501 ms | 49 | 26k | 16k |
| 2026-10-14 09:40 | needs auth | ||||
| 2026-10-13 11:30 | needs auth | ||||
| 2026-10-10 10:35 | needs auth | ||||
| 2026-10-05 01:02 | needs auth | ||||
| 2026-10-04 10:10 | needs auth | ||||
| 2026-10-04 08:04 | needs auth | ||||
| 2026-10-03 20:43 | needs auth | ||||
| 2026-10-03 17:57 | needs auth |
Badge and feed
[](https://mcpcost.ulehla.dev/s/sh.fettle/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.