How to integrate Circleback MCP with Atomic Agent

Connect Atomic Agent to Circleback MCP. Summarize meeting transcripts from last week, find action items assigned to me today, and more using natural language, with authentication handled for you.

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Circleback MCP is a platform that indexes meetings, transcripts, action items, calendar events, emails, people, companies, and support documentation. Use it to quickly find context across meetings and team knowledge.

11 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 Circleback.

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

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How Atomic Agent connects to Circleback

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

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

Use Circleback from Atomic Agent

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

Findcompanies

Find companies matching the given search terms.

Findprofiles

Find profiles matching the given names.

Gettranscriptsformeetings

Get the full transcripts for given meeting IDs.

Listtags

List all tags available in the user's workspace.

Readmeetings

Given up to 50 meeting IDs, fetch detailed information for each meeting.

Searchactionitems

Find action items that match a given search term or filter.

Searchcalendarevents

Get calendar events from the user's connected calendars.

Searchemails

Search the user's connected email accounts for email threads matching a query.

Searchmeetings

Find meetings that match a given search term or filter.

Searchsupportarticles

Search for support articles about Circleback to find relevant documentation and help content.

Searchtranscripts

Search meeting transcripts to find transcript chunks that match a given search term.

FAQ

Frequently asked questions

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

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

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