Sandbox
133 repos for os · CodexClear
ComposioHQ/
composio

Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.

30k
oraios/
serena
oraios/serenaConnectors

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

29k
microsoft/
SkillOpt
microsoft/SkillOptFrameworks & SDKs

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.

17k

scrape data from Google Maps. Extracts data such as the name, address, phone number, website URL, rating, reviews number, latitude and longitude, reviews,email and more for each place

5.8k
wuyoscar/
GPT-Image2-Skill

GPT Image 2/2.5 prompt gallery, image prompt library, agentic skill, and CLI for OpenAI image generation/editing

5.3k
ai-boost/
awesome-harness-engineering

Awesome list for AI agent harness engineering: tools, patterns, evals, memory, MCP, permissions, observability, and orchestration.

4.1k
dosco/
graphjin
dosco/graphjinConnectors

One governed graph for AI agents — GraphQL + MCP over your databases, files, APIs, and code

3.2k
Ontos-AI/
knowhere

Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.

3.1k
addyosmani/
web-quality-skills

Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.

2.8k

Portable project memory across Claude Code, Codex and OpenCode, plus token accounting measured from harness transcripts. Local file I/O, no API calls, no telemetry.

2.3k
MicrosoftDocs/
mcp

Official Microsoft Learn MCP Server and CLI tool – powering LLMs and AI agents with real-time, trusted Microsoft docs & code samples.

1.9k
tigerless-labs/
cost-xray

See what Claude Code and Codex actually send to the API — and what each part costs.

1.5k

Official agent plugin providing skills and MCP server configurations for Azure scenarios.

1.5k
hoangnb24/
repository-harness

Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other coding agents.

1.2k
microsoft/
wassette

Wassette: A security-oriented runtime that runs WebAssembly Components via MCP

942

Open-source self-improving QA agent for software teams. A test harness with memory. Write tests in natural language for web and mobile. agent-qa learns from every run, adapts to UI changes, and catches regressions before you ship.

909
AgnosticUI/
agnosticui

AgnosticUI Local (v2) is a CLI-based UI component library that copies components directly into your project. Works with AI tools, agent-driven UIs, and prompt-ready workflows.

826
MicrosoftDocs/
Agent-Skills

Curated Agent Skills for Microsoft & Azure – giving AI coding assistants structured, real-time expertise from Microsoft Learn docs.

740