Awesome Agent Harness

The open-source app everyone uses to manage agents at work

Pre-indexed code knowledge graph, auto syncs on code changes, for Claude Code, Codex, Gemini, Cursor, OpenCode, AntiGravity, Kiro, CoPilot, and Hermes Agent — fewer tokens, fewer tool calls, 100% local

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

The best-benchmarked open-source AI memory system. And it's free.

Make humans and AI agents work as one team — open-source and self-hostable.

Hindsight: Agent Memory That Learns

🦍 The API and AI Gateway

Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.

Secure, fast, efficient, battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in multi-language ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.

A reliable coding agent for complex software engineering tasks.

GitHub's official MCP Server

A lightweight alternative to OpenClaw that runs in containers for security. Connects to WhatsApp, Telegram, Slack, Discord, Gmail and other messaging apps,, has memory, scheduled jobs, and runs directly on Anthropic's Agents SDK

A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent

Glamourous agentic coding for all 💘

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

Beads - A memory upgrade for your coding agent

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

A framework for building agents and services

Scale computer-use 2.0 with open-source drivers, cross-OS fleets, and benchmarks for training, evaluation, and data generation.

Gas Town - multi-agent workspace manager

MCP Toolbox for Databases is an open source MCP server for databases.

Secure, Fast, and Extensible Sandbox runtime for AI agents.

Google's open agentic orchestration runtime

Run and supervise teams of coding agents from planning to merge. Any harness (Claude code, codex, +25 more). Desktop, web, mobile, and cloud agents.

Instant, Concurrent, Secure & Lightweight Sandbox for AI Agents.

TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation.

Secure, Fast, and Extensible Sandbox runtime for AI agents.

Multi-platform SDK for integrating GitHub Copilot Agent into apps and services

Cybersecurity AI (CAI), the framework for AI Security

🤖 AI Gateway | AI Native API Gateway

Specification and documentation for the Model Context Protocol

OpenShell is the safe, private runtime for autonomous AI agents.

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

🧱 Easy fast local-first microVM runtime and library

✨ All your agents and workspaces in one place, on every device you own. Track tasks on a board, accessible from desktop, mobile, browser, or API. Self-hosted.

Own your AI. The native macOS harness for AI agents -- any model, persistent memory, autonomous execution, cryptographic identity. Built in Swift. Fully offline. Open source.

Persistent memory system for AI coding agents. Agent-agnostic Go binary with SQLite + FTS5, MCP server, HTTP API, CLI, and TUI.

A community driven registry service for Model Context Protocol (MCP) servers.

AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

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

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

Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debugging, and evaluation to monitoring.

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

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.

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

agent-sandbox enables easy management of isolated, stateful, singleton workloads, ideal for use cases like AI agent runtimes and reinforcement learning (RL).

Agent Skills as a Memory Layer

The platform for LLM evaluations and AI agent testing

AI Agent Builder and Runtime by Docker Engineering