$ 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 modelsoptional

Hermes Agent · Nous Research

211,000 · high

Nous Research's MIT-licensed 'self-improving' server-resident agent (Feb 2026, ~211k stars): model-agnostic with persistent cross-session memory, autonomous skill creation compatible with the agentskills.io standard, DSPy/GEPA evolutionary self-optimization, and execution backends from local/Docker to Modal and Daytona.

General / computer-useopen-sourcebyok✓ mcp✓ skills✓ local modelsoptional

Kilo CLI · Kilo (Kilo Code)

25,785 · medium

Kilo's open-source terminal agent (Kilo CLI 1.0, built on the MIT-licensed OpenCode foundation) distinguished by support for 500+ models with zero-markup BYOK pricing, an MCP marketplace, and cross-surface continuity where a task can move between Slack, VS Code/JetBrains, cloud, and terminal.

Vendor CLI agentsopen-sourcebyok✓ mcp✓ local models
harnesses.sh — the agent harness directory