io.github.S-CurveLabs/letin
letin: Power Query (M)
Inspect, refactor, lint, run and version Power Query (M) in Excel workbooks and Power BI projects.
alive probed 2026-10-15
31tools
7.2ktokens in Claude Opus 5.5
7.4ktokens in Claude Code
3.6 %of a 200k context window
4.0ko200k_base estimate
2.7 sto initialize
8 msto list tools
- Run it
- uvx letin==0.2.0 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- letin
- Capabilities
- prompts, resources, tools
- Instructions
- 1 463 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/S-CurveLabs/letin
- Registry
- active, updated 2026-09-22 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| evaluate_m | 294 | 7 % |
| apply_transform | 268 | 7 % |
| evaluate_query | 226 | 6 % |
| replace_in_queries | 218 | 5 % |
| validate_m | 195 | 5 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.S-CurveLabs/letin)
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.