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Connect Greenhouse to Hermes

Give Hermes governed access to Greenhouse’s 156 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Greenhouse to Hermes in four steps

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

  1. 1

    Add Greenhouse to Runlayer

    Greenhouse 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 Greenhouse’s 156 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Greenhouse

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

  4. 4

    Use Greenhouse from Hermes

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

Tools

156 Greenhouse tools in Hermes

Runlayer policy decides which of these Hermes users can call.

  • Activate user

    Reactivate a previously deactivated user so they can sign in to Greenhouse and be assigned to new jobs again.

  • Add candidate note

    Create a candidate note, log an email, or record an activity-feed entry on a candidate.

  • Bulk activate users

    Reactivate up to the bulk-endpoint cap of users in a single request.

  • Bulk create blocked spam sources

    Adds multiple blocked spam sources in a single request, typically used to sync the blocklist from an external security tool.

  • Bulk create candidates

    Asynchronously create many candidate profiles in a single call, typically for HRIS sync workflows that create a batch of candidates at once.

  • Bulk create custom field options

    Asynchronously add many options at once, typically for HRIS sync workflows that replace or extend a dropdown's option set in a single pass.

  • Bulk create jobs

    Asynchronously create many jobs in a single call, typically for HRIS sync workflows that open a batch of requisitions at once.

  • Bulk create openings

    Asynchronously add many openings across one or more jobs in a single call, typically for HRIS sync workflows that open or extend headcount on a batch of requisitions.

See all 156 Greenhouse 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 Greenhouse 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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