SIC Codes UK for ChatGPT

io.github.jackmmaher/sic-codes

UK SIC code lookup, GICS/ICB mapping, and Companies House search. 731 codes, 5.6M companies.

client:ChatGPT transport:streamable-http runtime:npm

Install SIC Codes UK in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://siccodes.co.uk/api/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs