How to integrate Stack Ai MCP with Atomic Agent

Connect Atomic Agent to Stack Ai MCP. List all running workflows in stack ai, trigger the monthly data sync workflow, and more using natural language, with authentication handled for you.

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Stack Ai is a no-code platform for enterprise AI workflows. It lets organizations build, deploy, and scale AI solutions without writing code.

22 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 Stack Ai.

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 Stack Ai account. See the Atomic Agent documentation for installation instructions.

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How Atomic Agent connects to Stack Ai

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

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

Use Stack Ai from Atomic Agent

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

Check Health

Tool to check the health status of the Stack AI API.

Get Action Inputs

Tool to retrieve the input schema for a specific provider action in Stack AI.

Get Action Output Schema

Tool to retrieve the output parameters schema for a Stack.

Get Connector Type Schema

Tool to retrieve the configuration schema for a specific connector type in Stack AI.

Get License Status

Tool to retrieve the current Stack AI license status.

Get Provider Details

Tool to retrieve details of a specific Stack AI tool provider.

Get Provider Action Details

Tool to get details of a specific action for a provider.

Get Provider Icon

Tool to fetch a provider icon image by provider identifier.

Get Provider Trigger Details

Tool to retrieve detailed information about a specific trigger for a provider.

Get Root

Tool to retrieve information from the Stack AI API root endpoint.

Get Trigger Details From Provider

Tool to retrieve detailed information about a specific trigger from a provider.

Get Trigger Inputs

Tool to retrieve the input parameters for a trigger as a JSON schema.

Get Trigger Outputs

Tool to retrieve the output schema for a specific trigger in Stack AI.

List Connector Types

Tool to list all available connector types from Stack AI.

List Stack AI Integrations

Tool to list all available Stack AI integrations.

List Permission Groups

Tool to list all permission groups with their associated permissions.

List Permissions

Tool to list all available permissions in Stack AI.

List Provider Triggers

Tool to get all available triggers for a specific provider.

List Stack AI Actions

Tool to list all available Stack AI tool actions.

List Stack AI Providers

Tool to list all Stack AI tool providers (integrations).

List Stack AI Built-in Tools

Tool to list all Stack AI built-in tools.

List Stack AI Triggers

Tool to list all available Stack AI tool triggers.

FAQ

Frequently asked questions

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

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

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