How to integrate Mintlify MCP with Atomic Agent

Connect Atomic Agent to Mintlify MCP. Search docs for api rate limits, find authentication code examples in docs, and more using natural language, with authentication handled for you.

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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 Mintlify.

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 Mintlify account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to Mintlify

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 Mintlify 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 Mintlify. It searches Composio for the right tool.
  4. On first use, open the sign-in link returned in the chat. Connect your Mintlify 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 Mintlify MCP server, and what's possible with it?

The Mintlify MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Mintlify account. It provides structured and secure access so your agent can perform Mintlify operations on your behalf.

Use Mintlify from Atomic Agent

With your account connected, ask Atomic Agent to work with Mintlify 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 Mintlify MCP action and event your agent gets out of the box.

Checkout

Select a deployment and open its editor session in one call.

Create node

Insert a node into the navigation tree under `parentId` (null = root).

Delete node

Remove a node and its subtree from the navigation tree by `nodeId`.

Diff

Returns the list of changes between current session and main.

Discard session

End the session without creating a PR

Edit page

String-replace edit on a page Y.

Execute code

Run TypeScript/JavaScript against the Admin MCP dashboard SDK inside a sandboxed Cloudflare isolate.

Get session state

Get current session state including branch name, edited files, and nav diff

List branches

List all git branches available for a deployment before or after checkout.

List deployments

List the deployments this connection is authorized for, returning each `{ subdomain, name }`.

List nodes

List navigation nodes with optional filters over the current branch nav tree.

Move node

Reposition a node in the navigation tree by nodeId.

Read

Read the full MDX content of a single page on the current branch.

Save

Flush branch to git.

Search

Find lines matching a substring or regex across every page on the current branch.

Search code operations

Lexical (BM25) search over the Admin MCP code-mode SDK.

Update config

Update any top-level `docs.

Update node

Update a navigation node's properties in place by nodeId — no repositioning.

Write page

Full overwrite of a page Y.

FAQ

Frequently asked questions

With a standalone Mintlify MCP server, the agents and LLMs can only access a fixed set of Mintlify tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Mintlify 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 Mintlify tools.

Yes, absolutely. You can configure which Mintlify 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 Mintlify data and credentials are handled as safely as possible.

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