dev.exactlane/preflight
Exactlane Preflight
Caller-specific static MCP capability fit evidence. No live probing; caller owns the decision.
alive probed 2026-10-05 · HTTP 200
1tools
1.1ktokens in Claude Opus 5.5
1.1ktokens in Claude Code
0.6 %of a 200k context window
636o200k_base estimate
1.4 sto initialize
695 msto list tools
- Endpoint
- https://exactlane.dev/mcp (streamable-http)
- Host
- exactlane.dev
- Protocol
- 2025-11-25
- Reports itself as
- exactlane-preflight 0.1.0
- Capabilities
- tools
- Instructions
- 984 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cid2230/exactlane-preflight-public
- Website
- https://exactlane.dev
- Registry
- active, updated 2026-09-11 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| check_mcp_capability | 636 | 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 00:24 | alive | 1.4 s | 1 | 1.1k | 636 |
| 2026-10-04 10:00 | alive | 1.5 s | 1 | 636 | |
| 2026-10-04 07:53 | alive | 2.9 s | 1 | 636 | |
| 2026-10-03 20:33 | alive | 1.6 s | 1 | 636 | |
| 2026-10-03 17:50 | alive | 1.2 s | 1 | 636 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.exactlane/preflight)
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.