Things 3
Enables integration with Things3, allowing the creation and management of tasks and projects via the MCP protocol, including synchronization with Agenda projects.
What is Things 3?
Things 3 is a Model Context Protocol (MCP) server that allows AI assistants like Claude, Cursor, and VS Code to enables integration with things3, allowing the creation and management of tasks and projects via the mcp protocol, including synchronization with agenda projects.
Enables integration with Things3, allowing the creation and management of tasks and projects via the MCP protocol, including synchronization with Agenda projects.
This server falls under the Business Applications category on MCPgee, the world's largest MCP server directory with 33,000+ servers.
Features
- Enables integration with Things3, allowing the creation and
Use Cases
Maintainer
Works with
Installation
Manual Installation
npx mcp-server-for-things3Configuration
Configuration Details
claude_desktop_config.json
Performance
Response Metrics
Resource Usage
How to Set Up and Use Things 3
The Things 3 MCP server enables AI assistants to create, search, complete, and manage tasks and projects in the Things 3 macOS and iOS app through the Model Context Protocol. It communicates with Things 3 via its URL scheme and native integration, supporting full task creation with titles, notes, deadlines, checklists, tags, and list placement — as well as Agenda app project synchronization. Mac users who rely on Things 3 for task management can use this server to capture tasks, update projects, and query their to-do lists entirely through natural language.
Prerequisites
- macOS with Things 3 installed and running (Things 3 must be open for real-time operations)
- Python 3.8 or higher with pip
- An MCP-compatible client such as Claude Desktop for macOS
- Optional: Agenda.app if you want project synchronization with Agenda
Clone the repository
Clone the mcp-things3 repository from GitHub to your local machine.
git clone https://github.com/drjforrest/mcp-things3
cd mcp-things3Install the server package
Install the package in editable mode using pip. This makes the mcp-server-things3 command available in your PATH.
pip install -e .Ensure Things 3 is running
Open Things 3 on your Mac. The MCP server communicates with Things 3 via its URL scheme and requires the app to be running for create, complete, and search operations.
open -a Things3Add the server to your MCP client configuration
Edit your Claude Desktop config file (~/Library/Application Support/Claude/claude_desktop_config.json) to register the Things 3 MCP server.
{
"mcpServers": {
"things3": {
"command": "mcp-server-things3",
"args": []
}
}
}Restart Claude Desktop and verify
Restart Claude Desktop and ask it to view your Things 3 inbox. You should see your current tasks returned from the app.
Things 3 Examples
Client configuration
Claude Desktop config for the Things 3 MCP server installed via pip install -e .
{
"mcpServers": {
"things3": {
"command": "mcp-server-things3",
"args": []
}
}
}Prompts to try
Natural language prompts for task and project management in Things 3.
- "Create a project called 'Q3 Launch' with a deadline of July 31st"
- "Add a todo to review the marketing brief with a checklist: check copy, check images, send feedback"
- "Show me all tasks in my Things 3 inbox"
- "Mark the 'Call client' task as completed"
- "Search for all todos related to the website redesign project"
- "What tasks are due today in Things 3?"Troubleshooting Things 3
mcp-server-things3 command not found after pip install
The pip install -e . command installs the script into your Python environment's bin directory. Ensure your active Python environment's bin is in your PATH, or use the full path to the script (e.g., ~/.local/bin/mcp-server-things3).
Tasks are not appearing in Things 3 after creation
Make sure Things 3 is open and running on your Mac before issuing commands. The server uses the Things 3 URL scheme which requires the app to be active. Also check that you are on macOS — this server is macOS-only.
Search or view operations return empty results unexpectedly
Ensure Things 3 is fully synced and that the database is not locked. Try clicking on a list in Things 3 to trigger a UI refresh, then retry the MCP operation.
Frequently Asked Questions about Things 3
What is Things 3?
Things 3 is a Model Context Protocol (MCP) server that enables integration with things3, allowing the creation and management of tasks and projects via the mcp protocol, including synchronization with agenda projects. It connects AI assistants to external tools and data sources through a standardized interface.
How do I install Things 3?
Follow the installation instructions on the Things 3 GitHub repository. Clone the repo, install dependencies, and add the server config to your AI client.
Which AI clients work with Things 3?
Things 3 works with all major MCP-compatible AI clients including Claude Desktop, Claude Code, Cursor, VS Code (GitHub Copilot), Windsurf, and Cline.
Is Things 3 free to use?
Yes, Things 3 is open source and available under the MIT license. You can use it freely in both personal and commercial projects.
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