SignUpGenius for Claude — sign-ups, slots, groups, and RSVPs. Free accounts or Pro API key.
To add signupgenius-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 13 environment variables, listed below.
Install
npx -y signupgenius-mcp@2.1.11Environment variables
SIGNUPGENIUS_EMAILSet in your MCP configSIGNUPGENIUS_PASSWORDSet in your MCP configSIGNUPGENIUS_USER_KEYSet in your MCP configSIGNUPGENIUS_NAMESet in your MCP configSIGNUPGENIUS_BASE_URLSet in your MCP configSIGNUPGENIUS_LEGACY_BASE_URLSet in your MCP configSIGNUPGENIUS_LOGIN_URLSet in your MCP configSIGNUPGENIUS_DISABLE_FETCHPROXYSet in your MCP configSIGNUPGENIUS_SESSION_CACHESet in your MCP configSIGNUPGENIUS_SESSION_FILESet in your MCP configFETCHPROXY_WS_PORTSet in your MCP configFETCHPROXY_WS_HOSTSet in your MCP configFETCHPROXY_IDENTITY_DIRSet in your MCP configInstall with your client
claude mcp add signupgenius --env SIGNUPGENIUS_EMAIL=<YOUR_SIGNUPGENIUS_EMAIL> --env SIGNUPGENIUS_PASSWORD=<YOUR_SIGNUPGENIUS_PASSWORD> --env SIGNUPGENIUS_USER_KEY=<YOUR_SIGNUPGENIUS_USER_KEY> --env SIGNUPGENIUS_NAME=<YOUR_SIGNUPGENIUS_NAME> --env SIGNUPGENIUS_BASE_URL=<YOUR_SIGNUPGENIUS_BASE_URL> --env SIGNUPGENIUS_LEGACY_BASE_URL=<YOUR_SIGNUPGENIUS_LEGACY_BASE_URL> --env SIGNUPGENIUS_LOGIN_URL=<YOUR_SIGNUPGENIUS_LOGIN_URL> --env SIGNUPGENIUS_DISABLE_FETCHPROXY=<YOUR_SIGNUPGENIUS_DISABLE_FETCHPROXY> --env SIGNUPGENIUS_SESSION_CACHE=<YOUR_SIGNUPGENIUS_SESSION_CACHE> --env SIGNUPGENIUS_SESSION_FILE=<YOUR_SIGNUPGENIUS_SESSION_FILE> --env FETCHPROXY_WS_PORT=<YOUR_FETCHPROXY_WS_PORT> --env FETCHPROXY_WS_HOST=<YOUR_FETCHPROXY_WS_HOST> --env FETCHPROXY_IDENTITY_DIR=<YOUR_FETCHPROXY_IDENTITY_DIR> -- npx -y signupgenius-mcp@2.1.11
Run this in a terminal to add the server to Claude Code.
What this does
signupgenius-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
SIGNUPGENIUS_EMAIL SIGNUPGENIUS_PASSWORD SIGNUPGENIUS_USER_KEY SIGNUPGENIUS_NAME SIGNUPGENIUS_BASE_URL SIGNUPGENIUS_LEGACY_BASE_URL SIGNUPGENIUS_LOGIN_URL SIGNUPGENIUS_DISABLE_FETCHPROXY SIGNUPGENIUS_SESSION_CACHE SIGNUPGENIUS_SESSION_FILE FETCHPROXY_WS_PORT FETCHPROXY_WS_HOST FETCHPROXY_IDENTITY_DIR
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install signupgenius-mcp?
Run the Claude Code command in the install section to add signupgenius-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with signupgenius-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to signupgenius-mcp as well.
Does signupgenius-mcp need an API key?
Yes. Before it can run, set these environment variables: SIGNUPGENIUS_EMAIL, SIGNUPGENIUS_PASSWORD, SIGNUPGENIUS_USER_KEY, SIGNUPGENIUS_NAME, SIGNUPGENIUS_BASE_URL, SIGNUPGENIUS_LEGACY_BASE_URL, SIGNUPGENIUS_LOGIN_URL, SIGNUPGENIUS_DISABLE_FETCHPROXY, SIGNUPGENIUS_SESSION_CACHE, SIGNUPGENIUS_SESSION_FILE, FETCHPROXY_WS_PORT, FETCHPROXY_WS_HOST, FETCHPROXY_IDENTITY_DIR. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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