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Connect Clay to Hermes

Give Hermes governed access to Clay’s 21 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Clay to Hermes in four steps

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

  1. 1

    Approve Clay in Runlayer

    Add Clay from the catalog and choose who can use it and which of its tools are allowed.

  2. 2

    Connect Hermes to Runlayer

    Users add the Runlayer Plugin to Hermes by following Runlayer’s setup guide. Hermes reaches Clay’s 21 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Clay

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

  4. 4

    Use Clay from Hermes

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

Tools

21 Clay tools in Hermes

Runlayer policy decides which of these Hermes users can call. 12 read data only and 3 can change or delete data.

  • Add company data points

    Add data points to companies in an existing search.

  • Add contact data points

    Add data points to contacts in an existing search.

  • Ask question about accounts

    Ask a natural language question about one or more accounts available in Clay Audiences.

  • Find and enrich company

    Find and enrich a single company by domain or LinkedIn URL.

  • Find and enrich contacts at company

    Search for contacts at a company by role, title, name, or department.

  • Find and enrich list of contacts

    Find and enrich specific named contacts at their companies.

  • Get credits available

    Check if credits are available for the workspace.

  • Get current workspace

    Report which Clay workspace this connection is pinned to.

See all 21 Clay 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 Clay 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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