io.github.toolweather/toolweather
Toolweather
Live health checks for MCP servers: is a server/tool safe to call now, plus working alternatives.
alive probed 2026-10-15 · HTTP 200
6tools
850tokens in Claude Opus 5.5
904tokens in Claude Code
0.4 %of a 200k context window
487o200k_base estimate
87 msto initialize
30 msto list tools
- Endpoint
- https://toolweather.toolweather.workers.dev/mcp (streamable-http)
- Host
- toolweather.toolweather.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- toolweather 0.1.0
- Capabilities
- 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/toolweather/toolweather
- Website
- https://toolweather.pages.dev
- Registry
- active, updated 2026-10-15 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| is_safe_to_call | 177 | 36 % |
| watch_server | 112 | 23 % |
| get_api_key | 67 | 14 % |
| suggest_alternatives | 63 | 13 % |
| unwatch_server | 36 | 7 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.toolweather/toolweather)
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.