io.github.lexbritten/probe
Probe V0
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
alive probed 2026-10-05 · HTTP 200
2tools
1.6ktokens in Claude Opus 5.5
1.7ktokens in Claude Code
0.8 %of a 200k context window
881o200k_base estimate
691 msto initialize
36 msto list tools
- Endpoint
- https://probe-evidence.probe-lab.workers.dev/mcp (streamable-http)
- Host
- probe-evidence.probe-lab.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- Probe 0.1.0
- Capabilities
- tools
- Instructions
- 610 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/lexbritten/probe-mcp
- Registry
- active, updated 2026-09-01 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| verify_http_claim | 692 | 79 % |
| probe.history | 189 | 21 % |
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 14:55 | alive | 691 ms | 2 | 1.6k | 881 |
| 2026-10-05 00:37 | alive | 408 ms | 2 | 881 | |
| 2026-10-04 10:05 | alive | 1.0 s | 2 | 881 | |
| 2026-10-04 07:59 | alive | 893 ms | 2 | 881 | |
| 2026-10-03 20:38 | alive | 1.7 s | 2 | 881 | |
| 2026-10-03 17:54 | alive | 550 ms | 2 | 881 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.lexbritten/probe)
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.