Isin for ChatGPT

io.github.pipeworx-io/isin

Securities-identifier validation MCP (ISIN / CUSIP).

client:ChatGPT transport:streamable-http

Install Isin in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://gateway.pipeworx.io/isin/mcp

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