io.github.vkuprin/site-spy
Site Spy
MCP server for Site Spy — lets AI agents monitor websites for changes
alive probed 2026-10-15
19tools
4.8ktokens in Claude Opus 5.5
5.0ktokens in Claude Code
2.4 %of a 200k context window
2.6ko200k_base estimate
328 msto initialize
15 msto list tools
- Run it
- npx -y @site-spy/mcp-server@0.3.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- site-spy 0.3.1
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Website
- https://docs.sitespy.app/docs/dashboard/mcp-integration
- Registry
- active, updated 2026-09-22 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| fetch_url | 645 | 25 % |
| web_search | 241 | 9 % |
| create_watch | 209 | 8 % |
| update_watch | 158 | 6 % |
| get_diff | 157 | 6 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.vkuprin/site-spy)
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.