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How to integrate Trello MCP with Hermes

Connect Hermes to Trello MCP. List cards due this week on your board, move completed cards to the done list, and more using natural language, with authentication handled for you.

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Trello MCP logoTrello MCP
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Trello is a visual project management service for organizing work on boards, lists, and cards. Its MCP server provides permission-aware access to Trello planning data.

15 Tools

Introduction

Hermes is a 24/7 autonomous agent that lives on your computer or server — it remembers what it learns and evolves as your usage grows.

This guide explains the easiest and most robust way to connect your Trello account to Hermes. You can do this through either Composio Connect CLI or Composio Connect MCP. For personal use we recommend the CLI, but you won't go wrong with MCP either.

Also integrate Trello MCP with

ChatGPTClaude CoworkAtomic Agent

What is Composio Connect?

Composio Connect is a consumer offering that lets anyone plug 1,500+ applications directly into their agent harness — including Hermes. It can:

  • Search and load tools from relevant toolkits on-demand, reducing context usage.
  • Chain multiple tools to accomplish complex workflows via a remote workbench, without excessive back-and-forth with the LLM.
  • Manage app authentication end-to-end with zero manual overhead.

Integrating Trello with Hermes

Using Composio Connect CLI

1. Install the Composio CLI

Run the install script directly, or paste https://composio.dev/hermes into your Hermes chat box to have it installed for you.

bash
curl -fsSL https://composio.dev/install | bash
Hermes authenticating with Composio

2. Authenticate

Once the CLI is installed, ask Hermes to authenticate with Composio.

3. Connect to Trello

Ask your agent to connect to Trello, or simply request any Trello-related task. Hermes will prompt you to authenticate and authorize access.

4. Done. You're all set with a new Trello connection.

Using Composio Connect MCP

1. Get your MCP URL and API Key

Go to dashboard.composio.dev and copy your Connect MCP URL and API key.

Copy MCP URL and API key from Composio dashboard

2. Open the Hermes config file

bash
nano ~/.hermes/config.yaml

3. Add the Composio Connect MCP server

bash
mcp_servers:
  composio:
    url: "https://connect.composio.dev/mcp"
    headers:
      x-consumer-api-key: "YOUR_COMPOSIO_API_KEY"
    connect_timeout: 60
    timeout: 180

Save with Ctrl + O, Enter, then exit with Ctrl + X.

4. Restart your Hermes agent

Once restarted, ask your agent to connect to Trello or request any Trello-related task. It will prompt you to authenticate and authorize access.

5. Done!

What is the Trello MCP server, and what's possible with it?

The Trello MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Trello account. It provides structured and secure access to your boards, lists, cards, checklists, member Inbox, workspaces, and Planner, so your agent can find work, organize tasks, update cards, and manage planning activities on your behalf.

  • Board and work discovery: Have your agent search across your workspaces for Trello boards and cards, then read board, list, and card details to surface current work.
  • Card and list management: Let the agent create, update, move, archive, and mark cards as done, while also creating, updating, archiving, or moving lists.
  • Checklists and labels: Direct your agent to read card checklists, create and update checklist items, and manage labels on cards as tasks change.
  • Inbox and workspace review: Instruct your agent to review your Trello Inbox, add Inbox cards, read workspace information, and retrieve member profile details.
  • Planner coordination: Have your agent read Planner information, create calendar events, and manage links between Planner events and Trello cards.

Way Forward

With Trello connected, Hermes can now act on your behalf whenever it detects a relevant task or you ask it to.

From here, you can extend Hermes further:

  • Connect more apps: Calendar, Slack, Notion, Linear, and hundreds of others are available through the same Composio Connect setup. Each new integration compounds what Hermes can do for you.
  • Build workflows across tools: Once multiple apps are connected, Hermes can chain actions together — turn an email into a calendar invite, a Slack message into a Linear ticket, or a meeting note into a follow-up draft.
  • Let it learn your patterns: The more you use Hermes, the better it gets at anticipating how you'd handle recurring tasks. Give it feedback on drafts and decisions, and it will adapt.

If you run into trouble or want to share what you've built, join the community or check out the Docs for deeper configuration options.

TOOLS

Supported Tools

Every Trello MCP action and event your agent gets out of the box.

Trelloreadboard

Read Trello boards.

Trelloreadcard

Fetch a Trello card's full details, or list cards across a board or list to surface open work items.

Trelloreadchecklist

Read Trello checklists (and their check items) attached to a card.

Trelloreadinbox

Triage and review the authenticated user's Trello Inbox — the personal quick-capture board where new cards and notifications land.

Trelloreadlist

Read Trello lists.

Trelloreadmember

Get a Trello member's profile.

Trelloreadplanner

Read Trello Planner information for the authenticated user.

Trelloreadworkspace

Read Trello workspaces (organizations) the current user has access to.

Trellosearch

Discover Trello boards or cards by keyword across all workspaces.

Trellowriteboard

Create Trello boards.

Trellowritecard

Create, update, move, archive, mark Trello cards done, or manage labels on cards.

Trellowritechecklist

Write Trello checklists and their check items.

Trellowriteinbox

Write Trello Inbox cards.

Trellowritelist

Create, update, archive, or move a Trello list.

Trellowriteplanner

Create Trello Planner calendar events and manage card-event links.

FRAMEWORKS

How to build Trello MCP Agent with another framework

ChatGPT logo

ChatGPT

Use Trello MCP with ChatGPT

Claude Cowork logo

Claude Cowork

Use Trello MCP with Claude Cowork

Atomic Agent logo

Atomic Agent

Use Trello MCP with Atomic Agent

FAQ

Frequently asked questions

With a standalone Trello MCP server, the agents and LLMs can only access a fixed set of Trello tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Trello and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Hermes 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 Trello tools.

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

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