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Harness MCP Server

Connect Harness to your AI agents with the Harness MCP server.

Updated

Use Harness on Gamut

What is Harness MCP?

The Harness MCP server is a Model Context Protocol server that connects Harness to AI agents and assistants as a set of tools. With it connected, an agent can work with Harness (ai-native software delivery — ci/cd pipelines, deployments, feature flags, chaos) directly — instead of you copying data in and out by hand.

It is a remote MCP server that uses a bearer token, so you point your client at the server URL, authorize once, and the Harness tools become available to the model.

Connect the Harness MCP server

Connect Harness MCP to Claude Code

  1. 1

    Add the server

    Use `claude mcp add` with the Harness MCP server URL (or its `npx` command), following the official docs.

  2. 2

    Authorize

    Complete authentication (a bearer token) so Claude Code can call the server.

  3. 3

    Verify

    Ask Claude to use a Harness tool to confirm the connection is live.

Connect Harness MCP to Cursor

  1. 1

    Open MCP settings

    In Cursor, go to Settings → MCP → Add new server.

  2. 2

    Add Harness

    Provide the Harness MCP server URL or command and complete authentication.

  3. 3

    Test

    Reference Harness from chat to confirm Cursor can reach the tools.

Using Harness MCP with Gamut

On Gamut, the Harness MCP server becomes a tool your agents use inside an automated, event-driven workflow — triggered by an event or a schedule, acting through Harness and your other connected MCP servers, with the connection managed by Gamut rather than a local config file.

Frequently asked questions

What is the Harness MCP server?

It is a Model Context Protocol server that exposes Harness to AI agents as tools so they can work with it (ai-native software delivery — ci/cd pipelines, deployments, feature flags, chaos).

How do I connect the Harness MCP server?

Point your MCP client (Claude, Cursor, or Gamut) at the Harness MCP server URL and complete authentication (a bearer token). See the official documentation for the exact URL and scopes.

Can I use Harness MCP with Gamut?

Yes — Gamut supports the Harness MCP server, so your agents can use it as a tool in automated, triggered workflows.