groupme-mcp

A Model Context Protocol (MCP) server that wraps the GroupMe API v3, letting AI assistants read and send GroupMe messages, manage groups, interact with bots, and more.

Documentation

Tools

Category	Tools
Groups	`list_groups`, `list_former_groups`, `get_group`, `create_group`, `update_group`, `destroy_group`, `join_group`, `rejoin_group`
Members	`add_members`, `get_member_results`, `remove_member`, `update_membership`
Messages	`list_messages`, `send_message`
Direct Messages	`list_direct_messages`, `send_direct_message`
Chats	`list_chats`
Likes	`like_message`, `unlike_message`
Bots	`create_bot`, `post_as_bot`, `list_bots`, `destroy_bot`
Users	`get_me`, `update_user`
Blocks	`list_blocks`, `check_block`, `create_block`, `delete_block`

Skill

Install the companion skill to give Claude built-in knowledge of GroupMe workflows — group name resolution, message pagination, the async add_members flow, and more — without needing to prompt it each time.

The skill folder lives at skill/groupme-mcp/.

Install in Claude.ai: Settings → Capabilities → Skills → Upload skill → select the skill/groupme-mcp/ folder (zipped).

Install in Claude Code: place the skill/groupme-mcp/ folder in your Claude Code skills directory.

Requirements

Python 3.12+
A GroupMe access token — get one at dev.groupme.com or use the OAuth helper

Usage

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "groupme": {
      "command": "uvx",
      "args": ["groupme-mcp"],
      "env": {
        "GROUPME_TOKEN": "<your-token>"
      }
    }
  }
}

Local development

git clone https://github.com/KalebJS/groupme-mcp
cd groupme-mcp
export GROUPME_TOKEN=<your-token>
uv run mcp dev main.py   # opens MCP Inspector in browser

Getting a Token

oauth/get_token.py runs a local OAuth flow using only the Python stdlib — no extra dependencies.

Create an application at dev.groupme.com/applications.
Set the callback URL to http://localhost:8080/callback.
Run the helper:

python oauth/get_token.py --client-id YOUR_CLIENT_ID

The script opens your browser, waits for the GroupMe redirect, and prints the token along with the export command to set it.

Development

# Install dev dependencies
uv sync --group dev

# Install pre-commit hooks
uv run --group dev pre-commit install

# Run tests
uv run --group dev pytest tests/ -v

# Lint
uv run --group dev pre-commit run --all-files

License

MIT

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