Steady MCP by usefulapi for ChatGPT

io.usefulapi/steady

Read publication income, plans and subscriptions; list newsletter subscribers in Steady.

client:ChatGPT transport:streamable-http tools:5

Install Steady MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://steady.usefulapi.io/mcp

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