How to integrate Craft MCP with Atomic Agent

Connect Atomic Agent to Craft MCP. Summarize today's daily note contents, create task in project website redesign, and more using natural language, with authentication handled for you.

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Craft MCP is a structured workspace service for documents, daily notes, tasks, and collections. Use it to store, organize, and collaborate on your workspace content with rich structure and context.

3 Tools

Introduction

Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including Craft.

This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a Craft account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to Craft

Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication.

Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account.

Connect Craft to Atomic Agent

  1. Sign up or sign in to the Composio dashboard. Copy your API key.
  2. In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart.
  3. Ask Atomic Agent to do something in Craft. It searches Composio for the right tool.
  4. On first use, open the sign-in link returned in the chat. Connect your Craft account, then return to Atomic Agent to continue.

Headless setup

Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file.

bash
COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY

What is the Craft MCP server, and what's possible with it?

The Craft MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Craft account. It provides structured and secure access to your documents, daily notes, tasks, collections, and structured workspace content, so your agent can search, read, create, update, and delete content on your behalf.

  • Workspace search and reading: Instruct your agent to search across authorized Craft content and read relevant documents, notes, tasks, or collections.
  • Document and note creation: Have your agent create Craft documents and daily notes for meeting records, plans, ideas, and other workspace content.
  • Task and collection management: Let the agent create, update, or delete tasks, collections, and structured content as your work changes.
  • Content editing and cleanup: Direct your agent to update existing Craft content or remove documents and notes you no longer need.
  • Recent change reversal: Have your agent revert a previous content change when the affected blocks have not been modified since.

Use Craft from Atomic Agent

With your account connected, ask Atomic Agent to work with Craft in natural language. You can connect more apps through the same Composio integration as you need them.

Visit the Atomic Agent website or inspect the Atomic Agent source code.

Troubleshooting

Why is my API key rejected?

Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying.

Why are Composio tools unavailable after saving a key?

Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk.

Does Composio have a free plan?

The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See Composio pricing for the current limits that apply to your connection.

TOOLS

Supported Tools

Every Craft MCP action and event your agent gets out of the box.

Blocks revert

Reverts a previous mutation if blocks haven't been modified since.

Craft read

Read/search Craft; batch with semicolons.

Craft write

Write; batch semicolons.

FAQ

Frequently asked questions

With a standalone Craft MCP server, the agents and LLMs can only access a fixed set of Craft tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Craft and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Atomic Agent fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Craft tools.

Yes, absolutely. You can configure which Craft scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Craft data and credentials are handled as safely as possible.

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