io.github.samarmstrong/openmep
OpenMEP duct sizing
Deterministic HVAC duct sizing at a fixed or Manual D friction rate; grades existing ducts.
alive probed 2026-10-15
2tools
1.9ktokens in Claude Opus 5.5
1.9ktokens in Claude Code
1.0 %of a 200k context window
1.1ko200k_base estimate
384 msto initialize
12 msto list tools
- Run it
- npx -y @openmep/mcp@0.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- openmep 0.2.0
- Capabilities
- tools
- Instructions
- 769 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/samarmstrong/openmep
- Registry
- active, updated 2026-10-07 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| size_duct_network | 750 | 70 % |
| size_duct | 316 | 30 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.samarmstrong/openmep)
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.