$ find your agent harness

A curated, verified, cross-vendor directory of AI agent harnesses — the runtime scaffolding that turns a model into an agent.

◆ 74 harnesses profiled · 9-axis capability schema · last verified 2026-07-08

3 of 74 harnesses · sorted by stars

OpenClaw · OpenClaw community (created by Peter Steinberger)

★ 382,000 · high

MIT-licensed self-hosted personal AI assistant ('the lobster way') that exploded to ~382k GitHub stars in months: any model, 20+ messaging channels (WhatsApp/Telegram/Slack/iMessage...), SKILL.md skills via ClawHub, Docker-sandboxed sessions, cron jobs, voice, and a live Canvas.

General / computer-useopen-sourcebyok✓ mcp✓ skills✓ local models⛨ optional

GPT Researcher · Assaf Elovic / open-source community (gptr.dev)

★ 28,100 · high

The original open deep-research harness (Apache-2.0, 28k stars): a planner/executor multi-agent pipeline that fans out parallel web and local-document searches into cited reports, with recursive tree-like 'Deep Research', MCP data-source integration, and any-LLM support.

General / computer-useopen-sourcebyok✓ mcp✓ local models

Claude Cowork (incl. Computer Use / Claude in Chrome) · Anthropic

high

Anthropic's non-technical desktop agent built on the Claude Code harness (no terminal required) that works over local folders, browsers (Claude in Chrome), and full computer use, with MCP connectors, Agent Skills, and plugins — expanded to web and mobile in July 2026 with cloud-run sessions for Max subscribers.

General / computer-useproprietarysubscription✓ mcp✓ skills⛨ optional