har
An agent harness written in pure Bash, now with a web UI. First-party from Di Zhang.
Related builds
DeepSeek Harness
Official MIT harness from DeepSeek. Everything is a plugin: models, tools, sandboxes, loops, and UI. Run with npx @deepseek-ai/dsh web.
HarnessRouter
One Docker box, one API. Codex, Claude Code, Hermes, Pi, and DeepSeek Harness on your machine. Apache 2.0 plus an open spec (UHP).
Codex as a platform
OpenAI's open Codex harness as an embeddable agent loop. Your app owns the UI, tools, and approvals. SDK, exec, or app-server.
VRM Expression Agent Harness
Ask Codex or Claude Code to add VRM facial expressions. First-party, with a demo of the avatar moving.
