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Harness

Official registry Other

MCP server for Harness API integration

Source code Documentation

What can you do with Harness?

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

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

PYPI package harness-mcp-server
Claude Code 
claude mcp add harness -e 'HARNESS_API_KEY=<your harness_api_key>' -e 'HARNESS_API_URL=<HARNESS_API_URL>' -- uvx harness-mcp-server==0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "harness": {
            "command": "uvx",
            "args": [
                "harness-mcp-server==0.1.0"
            ],
            "env": {
                "HARNESS_API_KEY": "<your harness_api_key>",
                "HARNESS_API_URL": "<HARNESS_API_URL>"
            }
        }
    }
}

Environment variables

  • HARNESS_API_KEY required secret API Key for HARNESS
  • HARNESS_API_URL API URL for HARNESS

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Harness MCP Server
  2. Harness Mcp Server
  3. Overview
  4. Features
  5. Installation
  6. Configuration
  7. Quick Start
  8. License

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

Frequently asked questions

What is Harness?

MCP server for Harness API integration

How do I install Harness?

It runs on your machine. In Claude Code: claude mcp add harness -e 'HARNESS_API_KEY=<your harness_api_key>' -e 'HARNESS_API_URL=<HARNESS_API_URL>' -- uvx harness-mcp-server==0.1.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Harness need an API key?

Yes. It expects HARNESS_API_KEY, which you set in its configuration.

Is Harness open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Harness?

It is published by asklokesh. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.