dev.workers.mattskowronis.live-listing-proof/verify-listing
Live Listing Proof
Verify a public listing URL and return source-supported facts or explicit fail-closed states.
alive probed 2026-10-05 · HTTP 200
1tools
258tokens in Claude Opus 5.5
268tokens in Claude Code
0.1 %of a 200k context window
139o200k_base estimate
345 msto initialize
85 msto list tools
- Endpoint
- https://live-listing-proof.mattskowronis.workers.dev/mcp (streamable-http)
- Host
- live-listing-proof.mattskowronis.workers.dev
- Protocol
- 2025-11-25
- Reports itself as
- live-listing-proof 1.3.0
- Capabilities
- tools
- Instructions
- 218 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://live-listing-proof.mattskowronis.workers.dev
- Registry
- active, updated 2026-08-22 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| verify_public_listing | 139 | 100 % |
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 14:01 | alive | 345 ms | 1 | 258 | 139 |
| 2026-10-05 00:25 | alive | 123 ms | 1 | 139 | |
| 2026-10-04 10:00 | alive | 287 ms | 1 | 139 | |
| 2026-10-04 07:54 | alive | 143 ms | 1 | 139 | |
| 2026-10-03 20:33 | alive | 422 ms | 1 | 139 | |
| 2026-10-03 17:50 | alive | 247 ms | 1 | 139 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.mattskowronis.live-listing-proof/verify-listing)
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.