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Connect Planhat to Hermes

Give Hermes governed access to Planhat’s 10 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Planhat to Hermes in four steps

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

  1. 1

    Add Planhat to Runlayer

    Planhat 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 Planhat’s 10 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Planhat

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

  4. 4

    Use Planhat from Hermes

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

Tools

10 Planhat tools in Hermes

Runlayer policy decides which of these Hermes users can call.

  • Create document

    Create a new document (page) in Planhat.

  • Create model record

    MODEL: "Company", PARAMETERS: {"name": "Acme Corp", "domain": "acme.com"}

  • Delete model record

    Delete existing record.

  • Get document

    Retrieve a document (page) by its ID, including its full content.

  • Get model action parameters

    Returns field metadata (names, types, required flags) for a data model.

  • Get model record

    Get single record by ID.

  • List model records

    MODEL: "Company", LIMIT: 20

  • Search documents

    Search documents (pages) by text.

See all 10 Planhat 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 Planhat 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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