Signupgenius Mcp

io.github.chrischall/signupgenius-mcp · v2.2.0

SignUpGenius for Claude — sign-ups, slots, groups, and RSVPs. Free accounts or Pro API key.

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add signupgenius-mcp -e SIGNUPGENIUS_EMAIL=<SIGNUPGENIUS_EMAIL> -e SIGNUPGENIUS_PASSWORD=<SIGNUPGENIUS_PASSWORD> -e SIGNUPGENIUS_USER_KEY=<SIGNUPGENIUS_USER_KEY> -e SIGNUPGENIUS_NAME=<SIGNUPGENIUS_NAME> -e SIGNUPGENIUS_BASE_URL=<SIGNUPGENIUS_BASE_URL> -e SIGNUPGENIUS_LEGACY_BASE_URL=<SIGNUPGENIUS_LEGACY_BASE_URL> -e SIGNUPGENIUS_LOGIN_URL=<SIGNUPGENIUS_LOGIN_URL> -e SIGNUPGENIUS_DISABLE_FETCHPROXY=<SIGNUPGENIUS_DISABLE_FETCHPROXY> -e SIGNUPGENIUS_SESSION_CACHE=<SIGNUPGENIUS_SESSION_CACHE> -e SIGNUPGENIUS_SESSION_FILE=<SIGNUPGENIUS_SESSION_FILE> -e FETCHPROXY_WS_PORT=<FETCHPROXY_WS_PORT> -e FETCHPROXY_WS_HOST=<FETCHPROXY_WS_HOST> -e FETCHPROXY_IDENTITY_DIR=<FETCHPROXY_IDENTITY_DIR> -- npx -y [email protected]

claude_desktop_config.json

{
  "mcpServers": {
    "signupgenius-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SIGNUPGENIUS_EMAIL": "<SIGNUPGENIUS_EMAIL>",
        "SIGNUPGENIUS_PASSWORD": "<SIGNUPGENIUS_PASSWORD>",
        "SIGNUPGENIUS_USER_KEY": "<SIGNUPGENIUS_USER_KEY>",
        "SIGNUPGENIUS_NAME": "<SIGNUPGENIUS_NAME>",
        "SIGNUPGENIUS_BASE_URL": "<SIGNUPGENIUS_BASE_URL>",
        "SIGNUPGENIUS_LEGACY_BASE_URL": "<SIGNUPGENIUS_LEGACY_BASE_URL>",
        "SIGNUPGENIUS_LOGIN_URL": "<SIGNUPGENIUS_LOGIN_URL>",
        "SIGNUPGENIUS_DISABLE_FETCHPROXY": "<SIGNUPGENIUS_DISABLE_FETCHPROXY>",
        "SIGNUPGENIUS_SESSION_CACHE": "<SIGNUPGENIUS_SESSION_CACHE>",
        "SIGNUPGENIUS_SESSION_FILE": "<SIGNUPGENIUS_SESSION_FILE>",
        "FETCHPROXY_WS_PORT": "<FETCHPROXY_WS_PORT>",
        "FETCHPROXY_WS_HOST": "<FETCHPROXY_WS_HOST>",
        "FETCHPROXY_IDENTITY_DIR": "<FETCHPROXY_IDENTITY_DIR>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "signupgenius-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SIGNUPGENIUS_EMAIL": "<SIGNUPGENIUS_EMAIL>",
        "SIGNUPGENIUS_PASSWORD": "<SIGNUPGENIUS_PASSWORD>",
        "SIGNUPGENIUS_USER_KEY": "<SIGNUPGENIUS_USER_KEY>",
        "SIGNUPGENIUS_NAME": "<SIGNUPGENIUS_NAME>",
        "SIGNUPGENIUS_BASE_URL": "<SIGNUPGENIUS_BASE_URL>",
        "SIGNUPGENIUS_LEGACY_BASE_URL": "<SIGNUPGENIUS_LEGACY_BASE_URL>",
        "SIGNUPGENIUS_LOGIN_URL": "<SIGNUPGENIUS_LOGIN_URL>",
        "SIGNUPGENIUS_DISABLE_FETCHPROXY": "<SIGNUPGENIUS_DISABLE_FETCHPROXY>",
        "SIGNUPGENIUS_SESSION_CACHE": "<SIGNUPGENIUS_SESSION_CACHE>",
        "SIGNUPGENIUS_SESSION_FILE": "<SIGNUPGENIUS_SESSION_FILE>",
        "FETCHPROXY_WS_PORT": "<FETCHPROXY_WS_PORT>",
        "FETCHPROXY_WS_HOST": "<FETCHPROXY_WS_HOST>",
        "FETCHPROXY_IDENTITY_DIR": "<FETCHPROXY_IDENTITY_DIR>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "signupgenius-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "SIGNUPGENIUS_EMAIL": "<SIGNUPGENIUS_EMAIL>",
        "SIGNUPGENIUS_PASSWORD": "<SIGNUPGENIUS_PASSWORD>",
        "SIGNUPGENIUS_USER_KEY": "<SIGNUPGENIUS_USER_KEY>",
        "SIGNUPGENIUS_NAME": "<SIGNUPGENIUS_NAME>",
        "SIGNUPGENIUS_BASE_URL": "<SIGNUPGENIUS_BASE_URL>",
        "SIGNUPGENIUS_LEGACY_BASE_URL": "<SIGNUPGENIUS_LEGACY_BASE_URL>",
        "SIGNUPGENIUS_LOGIN_URL": "<SIGNUPGENIUS_LOGIN_URL>",
        "SIGNUPGENIUS_DISABLE_FETCHPROXY": "<SIGNUPGENIUS_DISABLE_FETCHPROXY>",
        "SIGNUPGENIUS_SESSION_CACHE": "<SIGNUPGENIUS_SESSION_CACHE>",
        "SIGNUPGENIUS_SESSION_FILE": "<SIGNUPGENIUS_SESSION_FILE>",
        "FETCHPROXY_WS_PORT": "<FETCHPROXY_WS_PORT>",
        "FETCHPROXY_WS_HOST": "<FETCHPROXY_WS_HOST>",
        "FETCHPROXY_IDENTITY_DIR": "<FETCHPROXY_IDENTITY_DIR>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`SIGNUPGENIUS_EMAIL` Optional	SignUpGenius login email (recommended). Pair with SIGNUPGENIUS_PASSWORD for session mode — works on free accounts. No SSO/2FA.
`SIGNUPGENIUS_PASSWORD` Optional, secret	SignUpGenius password (recommended) — required iff SIGNUPGENIUS_EMAIL is set.
`SIGNUPGENIUS_USER_KEY` Optional, secret	SignUpGenius Pro API key (Pro Tools > API Management). Required only for slot REPORTS — Pro subscription needed.
`SIGNUPGENIUS_NAME` Optional	Friendly account name used in startup logs.
`SIGNUPGENIUS_BASE_URL` Optional	Override the default JSON API base (v2/k for key mode, v3 for session mode).
`SIGNUPGENIUS_LEGACY_BASE_URL` Optional	Session mode only: override the host for legacy /SUGboxAPI.cfm calls. Defaults to https://www.signupgenius.com.
`SIGNUPGENIUS_LOGIN_URL` Optional	Session mode only: override the login-form host. Defaults to https://www.signupgenius.com.
`SIGNUPGENIUS_DISABLE_FETCHPROXY` Optional	Set to 1 to skip the fetchproxy browser-extension fallback (missing creds become a hard error — useful in headless CI).
`SIGNUPGENIUS_SESSION_CACHE` Optional	Set to false to disable the on-disk session cache and re-authenticate on every process start. Defaults to enabled.
`SIGNUPGENIUS_SESSION_FILE` Optional	Absolute path for the session cache file. Defaults to $MCP_DATA_DIR/.signupgenius-mcp/session.json.
`FETCHPROXY_WS_PORT` Optional	Localhost port of the fetchproxy concentrator the ContextMint Bridge extension connects to (default 37149). Every MCP on one machine shares it, so move it for all of them or not at all.
`FETCHPROXY_WS_HOST` Optional	Bind interface for the fetchproxy concentrator, a literal IP only (default 127.0.0.1). Keep on loopback; it exists for hosted deployments that run each MCP in its own network namespace.
`FETCHPROXY_IDENTITY_DIR` Optional	Absolute path where the fetchproxy long-term identity keypair is stored (default ~/.fetchproxy/identity/).

Details

Package	`[email protected]` (NPM, stdio)
First published	4 Nov 2026
Last updated	4 Nov 2026
Registry name	`io.github.chrischall/signupgenius-mcp`

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