How to integrate Cats MCP with Atomic Agent

Connect Atomic Agent to Cats MCP. Show me five random cat images, list popular cat breeds with photos, and more using natural language, with authentication handled for you.

Cats logoCats
Api Key

Cats is an API with a huge library of cat images, breed data, and cat facts. It makes finding adorable cat photos and trivia effortless for your apps and users.

18 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 Cats.

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

Also integrate Cats with

How Atomic Agent connects to Cats

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

The Cats MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Cats account. It provides structured and secure access to a wide collection of cat images, breed information, and fun feline facts, so your agent can fetch cat data, browse curated cat images, and pull breed details on your behalf.

  • Portals listing for cat resources: Instruct your agent to list and browse all available cat-related portals, making it easy to explore organized collections of cat images and data.
  • Metadata exploration with pagination: Have your agent efficiently page through vast cat collections, ensuring you can access just the right portal or dataset without missing a thing.
  • On-demand cat image discovery: Let your agent find and retrieve high-quality cat images from the API’s large, curated library—perfect for enrichment or just a dose of cuteness.
  • Access to detailed breed and fact data: Ask your agent to pull up detailed info on cat breeds and fun facts, making it a handy assistant for both research and entertainment.

Use Cats from Atomic Agent

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

Create Favourite

Tool to save an image as a favourite to your account.

Create Vote

Tool to vote on a cat image.

Delete Favourite

Tool to delete a favourite from your account by its ID.

Delete Image

Delete an uploaded image from your account by its ID.

Delete Vote

Tool to delete a vote from your account by its ID.

Get Cat Breed by ID

Tool to get detailed information about a specific cat breed by its ID.

Get Favourite by ID

Tool to retrieve a specific favourite by its unique ID.

Get Cat Image by ID

Tool to retrieve a specific cat image by its unique ID.

Get Image Analysis

Get machine learning analysis results for an uploaded image.

Get Image Breeds

Tool to retrieve breed information associated with a specific cat image.

Get Cat Breeds

Retrieves a paginated list of cat breeds from The Cat API.

Get Vote by ID

Retrieves a specific vote by its unique ID from The Cat API.

List Image Categories

Retrieves a list of all active image categories from The Cat API.

List Favourites

Tool to get all favourites belonging to your account.

List Uploaded Images

Tool to get all images uploaded to your account via /images/upload.

List Votes

Tool to retrieve all votes you have created.

Search Cat Breeds

Search for cat breeds by name.

Search Cat Images

Search for random cat images with optional filters.

FAQ

Frequently asked questions

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

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

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