Stiply MCP by usefulapi for ChatGPT
io.usefulapi/stiply
Read sign requests and signers; send, remind, extend and cancel sign requests in Stiply.
client:ChatGPT
transport:streamable-http
tools:10
Install Stiply MCP by usefulapi in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://stiply.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