Awesome Agent Harness

SWE-bench: Can Language Models Resolve Real-world Github Issues?

All-in-One Sandbox for AI Agents that combines Browser, Shell, File, MCP and VSCode Server in a single Docker container.

Open-source All in One AI agent workspace. Run any agent — Claude Code, Codex — across your tools (100+ integrations + MCP), apps, browser, and files, with shared memory. Built-in models or BYOK.

The CLI and skills that turn any coding assistant into an expert at creating, evaluating, and deploying AI agents on Google Cloud.

Build and deploy AI Agents on Cloudflare

Repository for skills to assist AI coding agents with .NET and C#

ByteRover CLI (brv) - The portable memory layer for autonomous coding agents (formerly Cipher)

An open-source Collaborative Multi-Agent OS for transparent, human-in-the-loop task coordination via Matrix rooms.

Self-hosted, open-source agent skill registry for enterprises. Publish & version skill packages, govern with RBAC and audit logs, deploy on-premise with Docker or Kubernetes.

Agenta is a workspace where you and your team build agents and automations.

Latitude is the open-source AI monitoring platform.

TencentDB Agent Memory delivers fully local long-term memory for AI Agents via a 4-tier progressive pipeline, with zero external API dependencies.

Our library for RL environments + evals

Your agent in your terminal, equipped with local tools: writes code, uses the terminal, browses the web. Make your own persistent autonomous agent on top!

Robust, fast, scalable, and sandboxed open-source online code execution system for humans and AI.

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

Next Generation Agentic Proxy for AI Agents and MCP servers

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

A protocol for connecting any editor to any agent

Skills for coding agents

Plugins from the Cursor community

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

Agent framework for the JVM. Pronounced Em-BAY-bel /ɛmˈbeɪbəl/

AI-Driven Life Cycle (AI-DLC) adaptive workflow steering rules for AI coding agents

Real-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.

Framework for evaluating and improving agents

Open-source security automation platform for teams and AI agents

Agent Skills as a Memory Layer

A Comprehensive Benchmark to Evaluate LLMs as Agents (ICLR'24)

LangChain 🔌 MCP

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

Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

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

Evaluation and Tracking for LLM Experiments and AI Agents

Devon: An open-source pair programmer

The platform for LLM evaluations and AI agent testing

OpenSource Claude Cowork. A desktop AI assistant that helps you with programming, file management, and any task you can describe.

agent-sandbox enables easy management of isolated, stateful, singleton workloads, ideal for use cases like AI agent runtimes.

Agent Orchestration Command Center

Amazon Bedrock Agentcore accelerates AI agents into production with the scale, reliability, and security, critical to real-world deployment.

AI Agent Builder and Runtime by Docker Engineering

A streamlined and customizable framework for efficient large model (LLM, VLM, AIGC) evaluation and performance benchmarking.

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

Headless CLI client for stateful Agent Client Protocol (ACP) sessions

Claude Code Dedicated Development Harness - Achieving High-Quality Development Through an Autonomous Plan→Work→Review Cycle

Agent harness to make your slop code well-engineered and beautiful.

Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents

Security scanner for AI agents, MCP servers and agent skills.

A framework-agnostic, git-native standard for defining AI agents

A model-mediated harness for reliable agentic software development.