com.lattice-sys.plumbline/mcp
Plumbline — a trust layer for LLM answers
Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.
alive probed 2026-10-05 · HTTP 200
18tools
5.8ktokens in Claude Opus 5.5
6.0ktokens in Claude Code
2.9 %of a 200k context window
3.4ko200k_base estimate
660 msto initialize
152 msto list tools
- Endpoint
- https://plumbline.lattice-sys.com/mcp/demo (streamable-http)
- Host
- plumbline.lattice-sys.com
- Protocol
- 2025-11-25
- Reports itself as
- prompto:plumbline 0.2.0
- Capabilities
- logging, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Website
- https://plumbline.lattice-sys.com/
- Registry
- active, updated 2026-08-23 · registry entry
- Reachable
- 6 of the last 6 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| ask_prepare | 479 | 14 % |
| run_code | 363 | 11 % |
| run_sql | 348 | 10 % |
| ask_submit_draft | 283 | 8 % |
| cross_check | 271 | 8 % |
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 13:22 | alive | 660 ms | 18 | 5.8k | 3.4k |
| 2026-10-05 00:16 | alive | 487 ms | 18 | 3.4k | |
| 2026-10-04 09:56 | alive | 1.1 s | 18 | 3.4k | |
| 2026-10-04 07:50 | alive | 1.1 s | 18 | 3.4k | |
| 2026-10-03 20:30 | alive | 742 ms | 18 | 3.4k | |
| 2026-10-03 17:48 | alive | 952 ms | 18 | 3.4k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.lattice-sys.plumbline/mcp)
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.