Harnesses
51 agent harnesses, reviewed. 30 run on HarnessRouter.
Every profile cites its public sources. Pick a harness, then run it through one API.
Available on HarnessRouter30
- Agent ZeroAn open-source framework for creating and operating customizable autonomous AI agents.
- AiderAn open-source AI pair-programming agent that works directly from the terminal.
- CheetahClawsSAIL LabAn open-source terminal coding agent with a large built-in tool set, typed sub-agents, plugins, and persistent memory.
- Claude CodeAnthropicAnthropic’s coding agent for understanding codebases, editing files, running commands and tests, and iterating on implementation tasks.
- ClineAn open-source IDE coding agent that explores codebases, edits files, runs terminal commands, and operates a browser.
- CodexOpenAIOpenAI’s coding agent for building, reviewing, testing, and shipping software across local and cloud development environments.
- Deep Agents CodeLangChainAn open-source terminal coding agent built on the Deep Agents SDK that works with any tool-calling model, with persistent memory, customizable skills, subagents, and approval controls.
- DeepSeek HarnessDeepSeekAn autonomous coding agent that works on a real git workspace, running shell commands and editing files to complete tasks end to end.
- Docker AgentDockerDocker's open-source agent builder and runtime that runs AI agents declared in a YAML or HCL config, with built-in file and shell tools, MCP servers, multi-agent teams, and sharing through OCI registries.
- fast-agentllmindset.co.ukA CLI-first agent harness and Python framework to code, build and evaluate agents, with broad model provider support, shell and file tools, Agent Skills, and MCP, ACP and A2A support.
- Gemini CLIGoogleGoogle’s open-source terminal agent that brings Gemini to the command line, with file system and shell tools, MCP servers, extensions, and sandboxed execution.
- gooseAgentic AI FoundationAn open-source, on-machine AI agent for extensible development and automation workflows.
- Grok BuildSpaceXAIAn open-source terminal coding agent and full-screen TUI that edits files, runs shell commands, searches the web, and manages long-running tasks.
- Hermes AgentNous ResearchAn open-source, persistent AI agent with memory, reusable skills, built-in tools, browser automation, scheduled tasks, and subagents.
- jcodeJeremy HuangAn open-source terminal coding agent written in Rust, with a TUI, one-shot headless runs, a TypeScript SDK, and swarms of agents that coordinate in one repository.
- Kilo CodeAn open-source coding agent for VS Code, JetBrains, and the command line, built around agentic development workflows.
- Kimi Code CLIMoonshot AIAn open-source terminal coding agent from Moonshot AI, with built-in file and shell tools, sub-agents, plugins, and MCP.
- MiMo CodeXiaomi MiMoAn open-source terminal coding agent, built as a fork of OpenCode, that reads and writes code, runs commands, manages Git, and keeps persistent project memory across sessions.
- MiniMax CodeMiniMaxAn open-source terminal coding agent that reads and edits a real workspace, runs tests, and extends through plugins and MCP.
- Mistral VibeMistral AIMistral's open-source CLI coding assistant: a command-line agent that lets you explore, modify and interact with a codebase in natural language through file, search, shell and delegation tools.
- nanobotAn ultra-lightweight personal AI agent.
- Oh My PiAn open-source, multi-provider coding agent designed for terminal-based software development workflows.
- OpenCodeanomalycoAn open source, provider-agnostic AI coding agent with a terminal interface, custom tools, skills, MCP support, and configurable permissions.
- OpenHandsAn open-source coding agent platform that can run commands, browse the web, edit software projects, and call APIs.
- OpenSquilla
- Piearendil-worksA minimal, steerable coding agent that works on a real git workspace, reading, writing, and editing files and running Bash to complete tasks end to end.
- Qoder Cloud AgentQoderA hosted agent runtime from Qoder that runs the agent loop and its built-in tools in an isolated cloud sandbox per session, driven through a REST and SSE API.
- Qwen CodeA command-line AI workflow tool for coding and software engineering tasks.
- System OneHarnessRouterAn open-source decision loop that compiles an environment's finite action space into typed questions and gates each choice by confidence.
- ZeroClawZeroClaw LabsA self-hosted personal AI agent runtime shipped as a single Rust binary, with file, shell, browser and MCP tools, skills, resumable sessions, and an Agent Client Protocol server.
Reviewed21
- CodebuffA self-improving command-line coding agent.
- Command Code
- Continue
- Crush
- Cursor
- Factory Droid
- Gajae Code
- JunieJetBrains’ agentic coding tool for reviewing, writing, and modifying code through IDE and terminal workflows.
- OpenClawAn open-source personal agent that connects to messaging apps and can browse, run commands, manage files, and take external actions.
- Ottili Coder
- poolPoolside’s coding agent for terminal workflows and ACP-compatible editors.
- PostQode
- QwenPaw
- Roo CodeA VS Code agent with customizable modes for coding, architecture, debugging, and review across multiple model providers.
- Skyvern
- stagewise
- Swades Agent
- TeleClawA platform for creating custom Telegram AI bots.
- Verdent
- Z Code
- Zoo Code
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01Next
Propose the next harness.
Describe the harness, the real task you want to run, and its expected impact. Once maintainers agree on the direction, you or a maintainer implements it. Do not include private task data.