dev.lastseen/score
lastseen score
Trust scores and dated liveness/drift facts for MCP servers, from the lastseen.dev notary register.
alive probed 2026-10-05 · HTTP 200
3tools
981tokens in Claude Opus 5.5
999tokens in Claude Code
0.5 %of a 200k context window
585o200k_base estimate
785 msto initialize
179 msto list tools
- Endpoint
- https://score.lastseen.dev/mcp (streamable-http)
- Host
- score.lastseen.dev
- Protocol
- 2025-06-18
- Reports itself as
- lastseen-score 1.0.0
- Capabilities
- tools
- Instructions
- 823 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://score.lastseen.dev
- Registry
- active, updated 2026-09-28 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| trust_score | 239 | 41 % |
| schema_history | 180 | 31 % |
| dependency_risk | 166 | 28 % |
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 13:58 | alive | 785 ms | 3 | 981 | 585 |
| 2026-10-05 00:24 | alive | 668 ms | 3 | 287 | |
| 2026-10-04 10:00 | alive | 1.0 s | 3 | 287 | |
| 2026-10-04 07:53 | alive | 908 ms | 3 | 287 | |
| 2026-10-03 20:33 | alive | 1.0 s | 3 | 287 | |
| 2026-10-03 17:50 | alive | 377 ms | 3 | 287 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.lastseen/score)
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.