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Connect Trello to Hermes

Give Hermes governed access to Trello’s 15 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Trello to Hermes in four steps

Admins approve the server once. Everyone in Hermes then gets it through the same governed connection.

  1. 1

    Add Trello to Runlayer

    Trello isn’t in the Runlayer catalog yet, so an admin adds it by its MCP server URL.

    Adding a connector manually
  2. 2

    Connect Hermes to Runlayer

    Users add the Runlayer Plugin to Hermes by following Runlayer’s setup guide. Hermes reaches Trello’s 15 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Trello

    Sign in the way Trello requires. Runlayer holds the credentials so they stay out of the client’s configuration.

  4. 4

    Use Trello from Hermes

    Trello’s approved tools appear in Hermes. Every call is checked against policy and recorded.

Tools

15 Trello tools in Hermes

Runlayer policy decides which of these Hermes users can call.

  • Read board

    Read Trello boards.

  • Read card

    Fetch a single card by id or card URL (cardIdOrUrl required).

  • Read checklist

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

  • Read inbox

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

  • Read list

    Read Trello lists.

  • Read member

    Get a Trello member's profile.

  • Read planner

    Read Trello Planner information for the authenticated user.

  • Read workspace

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

See all 15 Trello tools

Control

What Runlayer can see and stop in Hermes

Some controls apply to every client at the gateway. Others depend on what Hermes exposes to Runlayer.

  • Gateway policy (available)

    Every Trello call from Hermes passes through Runlayer, where your policies can allow, alert, mask, or block it.

  • Audit trail (available)

    Each call is recorded with the user, Hermes as the client, the tool, and the policy and scanner decisions.

  • Client hooks (available)

    Capture supported prompts, reasoning, local and MCP tool calls, responses, and scanner decisions in real time.

  • Stop a call before it runs (available)

    Runlayer can deny a tool call before Hermes runs it.

  • Block output after it runs (available)

    Runlayer can block a tool’s output in Hermes and show a message in its place.

  • Redact output in place (not available)

    Hermes cannot take masked output, so Runlayer can block a tool’s output but not mask it. The gateway still applies policy to the call.

In Hermes

  • Hermes can replace blocked tool output with a message, but its after-call event is for monitoring only.

Frequently asked questions

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