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Connect Metabase to Hermes

Give Hermes governed access to Metabase’s 45 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Metabase to Hermes in four steps

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

  1. 1

    Approve Metabase in Runlayer

    Add Metabase 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 Metabase’s 45 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Metabase

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

  4. 4

    Use Metabase from Hermes

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

Tools

45 Metabase tools in Hermes

Runlayer policy decides which of these Hermes users can call. 25 read data only and 6 can change or delete data.

  • Construct query

    Construct a Metabase query from a structured program with source and operations.

  • Create dashboard

    Create a dashboard in Metabase.

  • Create question

    Save a query as a named question in Metabase.

  • Execute query

    Execute a previously constructed query and return the results with column metadata, row count, and execution time.

  • Get metric

    Get details about a metric including its queryable dimensions.

  • Get metric field values

    Get sample values and statistics for a field in a metric.

  • Get table

    Get details about a table including its fields, related tables, and metrics.

  • Get table field values

    Get sample values and statistics for a field in a table.

See all 45 Metabase 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 Metabase 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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