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Harness Wiki

Harness is a meta-agent orchestrator for VS Code — one chat interface for GitHub Copilot, Cursor, Claude Code, Devin, and Kiro (AI-DLC).

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Quick links

I want to…	Start here
Install and send my first message	Getting Started
Use the chat UI (providers, modes)	Chat Interface
Configure API keys	Configuration
Set up GitHub Copilot	Copilot Modes
Set up Cursor AI	Agent Connectors → Cursor
Use Specs (SDD)	SDD Specs
Run without VS Code (CLI only)	Dual Mode
Fix errors	Troubleshooting

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What is Harness?

VS Code Extension (UI)  ←→  CLI daemon (IPC)  ←→  Agent connectors
                              │
         Copilot · Devin · Cursor · Claude · Kiro

• Extension — chat sidebar, spec manager, configuration panel
• CLI — all file I/O, authentication, agent routing (bundled inside the .vsix)
• Specs — YAML skills/tools/workflows in .harness/specs/

Repository: github.com/nbsjunior/harness

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Documentation map

Users

• Getting Started
• Installation
• User Guide
• Chat Interface
• Configuration
• Context and Specs

Agents

• Agent Connectors
• Copilot Modes (Ask / Agent / Spec+Agent)

Developers

• Architecture
• IPC Protocol
• Dual Mode (Extension vs CLI)
• AI-DLC and Kiro
• Development Guide

Help

• Troubleshooting
• FAQ

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AI assistants

If you are an AI model working on this codebase, read AGENTS.md in the repository first.