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Browser Harness | Self-healing harness that enables LLMs to complete any task.

SkillOpt is a text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits, validation-gated updates, and deployable best_skill.md artifacts.

OpenWiki is a CLI that writes and maintains agent documentation for your codebase.

Structured Outputs

"OpenHarness: Open Agent Harness with a Built-in Personal Agent--Ohmo!"

AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

Fully autonomous & self-evolving research from idea to paper. Chat an Idea. Get a Paper. 🦞

Open Source framework for voice and multimodal conversational AI

Open-source, secure environment with real-world tools for enterprise-grade agents.

The best agent harness.

IronClaw is an Agent OS focused on privacy, security and extensibility

Multiplayer agent harness for work

AI Observability & Evaluation

Multi-Agent Harness for Production AI

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

Build your own AI SRE agents. The open source toolkit for the AI era.

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

Visual testing tool for MCP servers

Free, local tool to track AI coding token usage and cost across 37 tools and agents (Claude Code, Cursor, Codex, Gemini and more), by model, project, and task. npx codeburn

Omnigent is an open-source AI agent framework and meta-harness: orchestrate Claude Code, Codex, Cursor, Pi, and custom agents — swap harnesses without rewriting, enforce policies and sandboxing, and collaborate in real time from any device.

A meta-skill that designs domain-specific agent teams, defines specialized agents, and generates the skills they use.

Build effective agents using Model Context Protocol and simple workflow patterns

The sandbox agent framework.

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

Open-source observability for your GenAI or LLM application, based on OpenTelemetry

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

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

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).

[EMNLP'23, ACL'24] To speed up LLMs' inference and enhance LLM's perceive of key information, compress the prompt and KV-Cache, which achieves up to 20x compression with minimal performance loss.