Fixie MCP Server for ChatGPT

io.github.onikora/fix-parser

Parse FIX messages and help agents create Fixie initiators.

client:ChatGPT transport:streamable-http

Install Fixie MCP Server in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.onikora.com/mcp

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