Harness
Agentic coding tools you run in your terminal — the agent loop itself.
Browser Harness | Self-healing harness that enables LLMs to complete any task
Block's open-source workspace where humans and AI agents share rooms — Nostr identities, ACP harness, agent-first CLI, and self-hosted relay.
Agentic coding tool that lives in your terminal, understands your codebase, and executes routine tasks, explains code, and handles git workflows via natural language.
Lightweight coding agent from OpenAI that runs locally in your terminal, usable with a ChatGPT plan or API key.
MCP server wrapper for OpenAI Codex CLI that enables Claude Code to leverage Codex's AI capabilities directly.
Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install.…
MicroVM-isolated sandboxes for running AI agents — instant, concurrent, and secure, with a template store and web console.
Open-source long-horizon SuperAgent harness that researches, codes and creates using sandboxes, memories, tools, skills and subagents.
A filesystem-first framework for durable AI agents — instructions, tools, skills, channels, and schedules live as conventional files you can inspect, extend, and operate.
Open-source AI agent that brings Gemini directly into your terminal, using a ReAct loop with built-in tools and MCP server support.
Brings the Copilot coding agent to the terminal, letting you build, debug, and understand code via natural language.
an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM
SpaceXAI's terminal coding agent harness and TUI — fullscreen, mouse-interactive, extensible, with headless and ACP modes.
The agent that grows with you — a cross-platform AI agent that installs with one command and bundles its own runtime.
Command-line companion and TUI for Jules, Google's asynchronous cloud coding agent, to create and manage agent sessions that write tests, fix bugs, and open pull requests.
A single-binary AI coding-agent CLI for the terminal — reads and edits code, runs commands, and speaks the Agent Client Protocol to drive Zed and JetBrains.
AWS's agentic command-line tool for building software through natural-language chat in your terminal, the successor to the Amazon Q Developer CLI.
Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1
The meta-harness for AI agents — scaffold your own focused, branded agent harness with its own npx CLI, MCP server, memory, and learning loop.
A terminal-native AI coding agent with persistent cross-session project memory and built-in multi-agent switching; a free zero-config channel to start.
A ~100-line, dependency-light SWE agent from the SWE-bench team — a clean reference harness for coding-agent research.
A multi-model coding-agent harness that installs into OpenCode and the OpenAI Codex CLI.
A terminal coding agent with the IDE wired in — LSP, DAP, subagents, browser, and 40+ providers.
A meta-harness that orchestrates Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, with policy enforcement and sandboxing.
Your own personal AI assistant for any OS and platform — installs via npm and runs as an always-on gateway daemon.
An open-source, model-agnostic coding agent for your terminal — bring your own model across 75+ providers and self-host it.
Open-source sandbox runtime for executing AI-generated code, with Docker and Kubernetes backends, SDKs, a CLI, and an MCP server.
An agent development environment (ADE) for running a fleet of parallel coding agents in isolated worktrees, on desktop and mobile.
Own your AI: the native macOS harness for AI agents with any model, persistent memory, autonomous execution and cryptographic identity.
Agent OS where the agent gets smarter on its own: interview-gated, staged evaluation and a budgeted evolution loop across 13 runtimes.
A self-extensible coding-agent harness and AI agent toolkit: an interactive coding agent CLI with a unified multi-provider LLM API, TUI, and web UI libraries.
Multiplayer agent harness for work — personal and shared scopes in Slack and on the web, model- and harness-agnostic.
Open-source desktop AI coworker that indexes your email, meetings, and notes into a knowledge graph and acts on them across built-in work surfaces.
The original agent meta-harness: deploy multi-agent swarms, coordinate autonomous workflows and build conversational AI systems.