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Connect Buildkite to Hermes

Give Hermes governed access to Buildkite’s 71 tools through Runlayer, with identity, policy, scanning, and audit on every call.

Book a demo Hermes setup guide

Set up

Add Buildkite to Hermes in four steps

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

  1. 1

    Approve Buildkite in Runlayer

    Add Buildkite 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 Buildkite’s 71 tools through the Runlayer Plugin’s search and execute tools instead of listing each one.

    Hermes setup guide
  3. 3

    Sign in to Buildkite

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

  4. 4

    Use Buildkite from Hermes

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

Tools

71 Buildkite tools in Hermes

Runlayer policy decides which of these Hermes users can call.

  • Access token

    Get information about the current API access token including its scopes and UUID

  • Cancel build

    Cancel a running build on a Buildkite pipeline

  • Compare builds

    Compare step outcomes, final-attempt retry counts and execution/scheduling times between builds in one pipeline.

  • Create annotation

    Create an annotation on a build or specific job.

  • Create build

    Trigger a new build on a Buildkite pipeline for a specific commit and branch, with optional environment variables, metadata, and author information

  • Create cache registry

    Create a cache registry in a cluster.

  • Create cluster

    Create a new cluster in an organization

  • Create cluster queue

    Create a new queue in a cluster

See all 71 Buildkite 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 Buildkite 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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