io.github.ozers/hooksense
hooksense
Webhook & callback layer for AI agents: create a URL, wait_for_callback, and verify over MCP.
alive probed 2026-10-15
8tools
1.7ktokens in Claude Opus 5.5
1.7ktokens in Claude Code
0.8 %of a 200k context window
940o200k_base estimate
342 msto initialize
6 msto list tools
- Run it
- npx -y @hooksense/mcp@0.2.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- hooksense 0.2.1
- 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/ozers/hooksense-mcp
- Registry
- active, updated 2026-07-06 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| wait_for_callback | 248 | 26 % |
| list_callbacks | 132 | 14 % |
| verify_signature | 128 | 14 % |
| create_callback_endpoint | 122 | 13 % |
| replay_callback | 118 | 13 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.ozers/hooksense)
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.