LocalFree server, account needed

Harness MCP server

asklokesh/harness-mcp-server

MCP server for Harness API integration

Install Harness in Claude Code

Claude Code
claude mcp add asklokesh-harness -e HARNESS_API_KEY=... -- uvx harness-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "asklokesh-harness": {
      "command": "uvx",
      "args": [
        "harness-mcp-server"
      ],
      "env": {
        "HARNESS_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Harness MCP server do?

MCP server for Harness API integration

Is the Harness MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Harness run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Harness to Claude Code?

Run: claude mcp add asklokesh-harness -e HARNESS_API_KEY=... -- uvx harness-mcp-server

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