Awesome Agent Harness

Bash is all you need - A nano claude code–like 「agent harness」, built from 0 to 1

omo/lazycodex: The coding agent for tokenmaxxers;the one and only agent harness for complex codebases. For your Codex, for your OpenCode

Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Universal memory layer for AI Agents

Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]

The open-source managed agents platform. Turn coding agents into real teammates — assign tasks, track progress, compound skills.

Open-source, community-driven agent harness

Browser automation CLI for AI agents

The Open-Source Multimodal AI Agent Stack: Connecting Cutting-Edge AI Models and Agent Infra

Kilo is the all-in-one agentic engineering platform. Build, ship, and iterate faster with the most popular open source coding agent.

An open-source AI coding agent that lives in your terminal.

#1 Persistent memory for AI coding agents based on real-world benchmarks

Open source Ghostty-based macOS terminal with vertical tabs and notifications for AI coding agents. Built for multitasking, organization, and programmability.

AGENTS.md — a simple, open format for guiding coding agents

Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).

Open source agentic operating system

The LLM Evaluation Framework

Code Editor for the AI Agents Era - Run an army of Claude Code, Codex, etc. on your machine

AI Agent Engineering Platform built on an Open Source TypeScript AI Agent Framework

Manage multiple AI terminal agents like Claude Code, Codex, OpenCode, and Amp.

Agentic orchestrator for parallel coding agents — plans tasks, spawns agents, and autonomously handles CI fixes, merge conflicts, and code reviews.

This is a simple demonstration of more advanced, agentic patterns built on top of the Realtime API.

Plano is an AI-native proxy and data plane for agentic apps — with built-in orchestration, safety, observability, and smart LLM routing so you stay focused on your agents core logic.

Orchestrate sandboxed coding agents in TypeScript with sandcastle.run()

TypeScript AI agent orchestration framework with dynamic workflows. Describe the goal, not the graph: a coordinator plans the task DAG at runtime and runs it on any LLM (Claude, ChatGPT, Gemini, DeepSeek, or local models).

Demo of a customer service use case implemented with the OpenAI Agents SDK

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

Python SDK for AI agent monitoring, LLM cost tracking, benchmarking, and more. Integrates with most LLMs and agent frameworks including CrewAI, Agno, OpenAI Agents SDK, Langchain, Autogen, AG2, and CamelAI

The open-source LLMOps platform: prompt playground, prompt management, LLM evaluation, and LLM observability all in one place.

Plugins from the Cursor community

Enterprise AI Platform with guardrails, MCP registry, gateway & orchestrator

Open-source security automation platform for teams and AI agents

TinyAGI is the agent teams orchestrator for One Person Company. (fka TinyClaw)

Agent Skills as a Memory Layer

A lightweight, powerful framework for multi-agent workflows and voice agents

Cascading runtime for AI agents. Optimize cost, latency, quality, and policy decisions inside the agent loop.

Laminar - open-source observability platform purpose-built for AI agents. YC S24.

A production-oriented multi-agent orchestration framework.

The Cloud Sandbox Built for AI Agents

Portable, vendor-agnostic agent harness for project-specific skills, workflows, and agent teams aligned with your codebase, conventions, and engineering standards.

1 place to call all your agents - OpenCode, Hermes, Claude Managed Agents, Cursor Agents API, DeepAgents.

The Agent Harness for AI-Human Collaboration, inspired by the AI-DLC (AI-Driven Development Lifecycle)

Ultimate Context Engineering Infrastructure, starting from MCPs and Integrations

Security Governance for Agentic AI

Safe runtime for autonomous on-chain AI agents: isolated sandboxes, Library skills, encrypted secrets, and OKX read-only security checks.

🛡️The governance runtime for AI agents. Intercept actions, enforce guard policies, require approvals, and produce audit-ready decision trails.

Universally Triggered Agent Harness - An OpenClaw-like Inngest-powered personal agent