io.github.entradox/perimeter-watch-scanner
Perimeter Watch
Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools
alive probed 2026-10-05 · HTTP 200
6tools
1.0ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.5 %of a 200k context window
558o200k_base estimate
240 msto initialize
85 msto list tools
- Endpoint
- https://perimeter-watch-api-production.up.railway.app/mcp/ (streamable-http)
- Host
- perimeter-watch-api-production.up.railway.app
- Protocol
- 2025-11-25
- Reports itself as
- perimeter-watch 1.30.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/entradox/perimeter-watch-scanner
- Website
- https://entradox.github.io/perimeter-watch-site/
- Registry
- active, updated 2026-09-03 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| pw_snapshot | 209 | 37 % |
| pw_watch_status | 99 | 18 % |
| read_skill | 87 | 16 % |
| skills_list_tool | 71 | 13 % |
| pw_health | 51 | 9 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 00:34 | alive | 240 ms | 6 | 1.0k | 558 |
| 2026-10-04 10:04 | alive | 1.5 s | 6 | 558 | |
| 2026-10-04 07:58 | alive | 1.4 s | 6 | 558 | |
| 2026-10-03 20:37 | alive | 1.5 s | 6 | 558 | |
| 2026-10-03 17:53 | alive | 480 ms | 6 | 558 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.entradox/perimeter-watch-scanner)
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.