How to integrate Magic Patterns MCP with Atomic Agent

Connect Atomic Agent to Magic Patterns MCP. Create a responsive sign-up form prototype, publish approved header and footer artifacts, and more using natural language, with authentication handled for you.

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Magic Patterns MCP is a design management platform for interface artifacts and workflows. Use it to iterate on designs, manage artifacts, and publish approved UI pieces.

23 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 Magic Patterns.

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 Magic Patterns account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to Magic Patterns

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

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

Use Magic Patterns from Atomic Agent

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

Create design

Creates a new Magic Patterns design.

Create design system

Creates a new, blank design system owned by you and returns its ID + editor URL.

Create inspiration document

Creates a Magic Patterns inspiration document and returns a shareable magicpatterns.

Create new artifact

Creates a new artifact by cloning an existing artifact.

Create slide deck

Creates a new Magic Patterns slide deck and kicks off AI generation.

Get artifact

Gets the active artifact for a design, including its ID and list of files.

Get design status

Gets the current status of a design: whether AI generation is active, the active artifact ID, and available files.

Get design system

Resolves a design system's active artifact and lists its files.

Get editor id from url

Resolves a Magic Patterns URL to an editor ID.

Get inspiration document

Loads a Magic Patterns inspiration document by its id.

Inspiration add variant

Fills in one concept of an existing Magic Patterns inspiration document with its self-contained HTML.

Inspiration clear variants

Resets every concept of an existing Magic Patterns inspiration document back to an empty placeholder — dropping each concept's html and its pre-created "Iterate" room.

Inspiration update variant

Revises a single already-filled concept of a Magic Patterns inspiration document in place, replacing its html (and optionally its name/description).

List design systems

Lists the design systems available to the authenticated user.

List version history

Lists the artifact version history for a design.

Publish artifact

Compiles an artifact's source files and sets it as the active artifact for the design.

Publish design system

Publishes the design system's active artifact as a new immutable version.

Read artifact files

Reads the contents of one or more files from an artifact.

Read design system files

Reads the contents of one or more files from a design system's active artifact.

Read recent message history

Reads the recent chat item history for a design.

Send prompt

Sends a natural language prompt to the Magic Patterns AI for an existing design.

Write artifact files

Creates or overwrites one or more files in an artifact.

Write design system files

Creates or overwrites files in a design system.

FAQ

Frequently asked questions

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

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

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