Harness

MCP server for Harness API integration

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Harness MCP Server

Harness Mcp Server

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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

Installation

Source-derived launch command. Check the maintainer’s required arguments and credentials before running:

bash
uvx harness-mcp-server

Set up in your AI client

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json
{
  "mcpServers": {
    "io-github-asklokesh-harness-mcp-server": {
      "command": "uvx",
      "args": [
        "harness-mcp-server"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Package

harness-mcp-serverpypi

Compatible MCP Clients

Harness works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

  • Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.
  • Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.
  • VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.
  • Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.
  • Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

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