Electrical / runnable MCP tool
Run the MCA & MOCP Breaker Calculator in your AI assistant
Through the free Intry MCP server, ChatGPT, Claude, or Cursor runs this exact calculator and hands back a verdict and the cited source, not a guess. Tool name: mca_mocp.
Ask your assistant
Once Intry is connected, type a question like these. The assistant recognizes the job and calls the mca_mocp tool, then answers with the number, the verdict, and the citation.
Inputs
| Field | Required | What it is |
|---|---|---|
| mode | optional | nameplate (enter MCA/MOCP) or rla (enter loads). Default nameplate. |
| mca | optional | Minimum circuit ampacity from the nameplate (nameplate mode). |
| mocp | optional | Maximum overcurrent protection from the nameplate. |
| loads | optional | Compressor RLA + fan FLA amps (rla mode); the largest gets the 125% factor. |
| voltage | optional | Circuit voltage (default 240). |
| phase | optional | Default single. |
| distance | optional | One-way run feet for a VD check; 0 skips it (default 0). |
| material | optional | Default cu. |
| tempRating | optional | Termination temperature rating (default 75). |
Add Intry to Claude (free)
One paste and Claude can run this tool and every other Intry calculator. Free on every plan, works on your phone.
- Open Claude and go to Settings, then Connectors (works on the phone app too).
- Tap Add custom connector and paste the Intry link below.
- Tap Add. Done. Now just ask Claude any wire, load, conduit, or refrigerant question.
https://www.intrysys.com/api/mcpFree inside Claude, on every plan (including the free one) and on your phone. No login on our end, no API key.
Using ChatGPT, Cursor, or a dev tool? See the developer setup on the main page. The endpoint is https://www.intrysys.com/api/mcp.
The tool returns its governing citation with every call (for example the NEC 2023 section or the refrigerant pressure-temperature data). Numbers are computed by the same locked engine the interactive calculator uses, golden-verified in CI and gated on every deploy.