Retainful MCP by usefulapi

Down since Nov 2

io.usefulapi/retainfulv1.0.0 Domain verified

List contacts and lists; create contacts, add them to lists and record events in Retainful.

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Try it

Call this server's tools from your browser. Nothing to install.

https://retainful.usefulapi.io/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Connect to load this server's tools.

Install

Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.

Run in a terminal

claude mcp add --transport http retainful https://retainful.usefulapi.io/mcp

Tools

We haven't seen a tool list from this server yet.