How do I install Harness?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Harness need an API key?

The publisher lists these environment variables: HARNESS_API_KEY, HARNESS_API_URL.

What transport does Harness use?

Harness runs locally over stdio.

When was Harness last checked?

Last checked 2026-10-21. MCP server for Harness API integration

Harness

by io.github.asklokesh

MCP server for Harness API integration

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Local command

uvx harness-mcp-server==0.1.0

Credentials from the publisher

HARNESS_API_KEY — API Key for HARNESS
HARNESS_API_URL — API URL for HARNESS

Provider

Claude Code

HARNESS_API_KEY=<secret> HARNESS_API_URL=<value> claude mcp add io.github.asklokesh-harness-mcp-server -- uvx harness-mcp-server==0.1.0

Run in a terminal.

Claude Desktop

{
  "mcpServers": {
    "io.github.asklokesh-harness-mcp-server": {
      "command": "uvx",
      "args": [
        "harness-mcp-server==0.1.0"
      ],
      "env": {
        "HARNESS_API_KEY": "<secret>",
        "HARNESS_API_URL": "<value>"
      }
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Related MCP

Related skills

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Questions

How do I install Harness?: Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Harness need an API key?: The publisher lists these environment variables: HARNESS_API_KEY, HARNESS_API_URL.
What transport does Harness use?: Harness runs locally over stdio.
When was Harness last checked?: Last checked 2026-10-21. MCP server for Harness API integration

Harness MCP Server

Harness Mcp Server

A Model Context Protocol (MCP) server for integrating Harness with GenAI applications.

Overview

Continuous delivery and cloud cost management

Features

Comprehensive Harness API coverage
Multiple authentication methods
Enterprise-ready with rate limiting
Full error handling and retry logic
Async support for better performance

Installation

pip install harness-mcp-server

Or install from source:

git clone https://github.com/asklokesh/harness-mcp-server.git
cd harness-mcp-server
pip install -e .

Configuration

Create a .env file or set environment variables according to Harness API requirements.

Quick Start

from harness_mcp import HarnessMCPServer

# Initialize the server
server = HarnessMCPServer()

# Start the server
server.start()

License

MIT License - see LICENSE file for details