FeedLetter MCP by usefulapi for ChatGPT

io.usefulapi/feedletter

List surveys, votes and feedback; create surveys and read Wall of Love items in FeedLetter.

client:ChatGPT transport:streamable-http tools:4

Install FeedLetter MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://feedletter.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