Harness logo

Harness MCP server

Start Claude Code and Codex agents the person can watch, wait for them and read their answers.

Good fit for

  • Official from Autonomous
  • One-command install
  • Runs fully local

Used for

Facts

Pricing
Unknown
Authentication
None
Transport
stdio
Hosting
Local
Maker
Official
Access
Read and write
Language
TypeScript
Install method
npx, MCP bundle
Operating system
macOS, Linux
Client
Claude Code, GitHub Copilot CLI, Codex, Cursor, OpenCode

Install

More clients (15)

claude mcp add --transport stdio harness -- npx -y @autonomous-ai/harness-mcp

Tools

From the README

  • harness send

    Allows harnesses in the same tab to message each other.

  • harness login

    Signs in and connects the computer.

  • harness remote-password set

    Sets a password for linking machines.

  • harness start

    Starts the harness daemon.

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Score: 87

Popularity
85
Maintenance
100
Trust
80
Completeness
100
Community
50

Formula version 1

Listed in:

Official MCP Registry.

Data from the Official MCP Registry.