Sandbox
560 repos for codex · TestingClear
FailproofAI/
failproofai

Observability and enforcement for AI agent harnesses. Capture every run and runtime reliability with policy enforcement. 40 built-in policies, a local dashboard, no account required with a generous free cloud plan

2.7k
Core-Mate/
OpenGUI
Core-Mate/OpenGUIFrameworks & SDKs

OpenGUI is an Android GUI agent framework for phone-use AI that can see, plan, and operate real mobile apps through the GUI.

1.8k

Minimal by design, explicitly multi-lang, production-ready and battle-tested collection of configs and plugins for your Claude Code agentic development workflows: mcp, configs, skills, agents and more.

149
Asymptote-Labs/
agent-beacon

Agent Beacon is the world's first open-source telemetry layer for AI agents wherever they run: locally, in CI, in the browser, or in the cloud.

391
dotnet/
skills
dotnet/skillsCollections

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

5.4k
juyterman1000/
entroly

Cut AI context cost without trusting the compressor. Every reduction is reversible, byte-exact recoverable, and carries an auditable receipt. Local-first, works through proxy, MCP, SDK, or agent wrapper.

443
rohitg00/
pro-workflow

Claude Code learns from your corrections: self-correcting memory that compounds over 50+ sessions. Context engineering, parallel worktrees, agent teams, and 17 battle-tested skills.

2.9k
svd-ai-lab/
sim-cli

Turn existing CAE files into structured text an agent can use — COMSOL, Abaqus, Fluent, HFSS, Icepak, FloTHERM — plus solver detection, script linting, and live solver sessions. Strong coverage for electronics thermal and advanced packaging.

219
getsentry/
sentry-mcp

An MCP server for interacting with Sentry via LLMs.

846
Tiger3807861189/
J-Space-Cognition-Suite-V3.7

J-Space Cognition Suite V3.7 - AI cognitive-enhancement Skills based on Anthropic's J-space global workspace research. | 哔哩哔哩:Tiger380 (UID 3494375382321675) — https://space.bilibili.com/3494375382321675

3k

Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-level GitHub code retrieval via tree-sitter AST. Works with Claude Code, Cursor & any MCP client. 313B+ tokens saved.

2.7k
alibaba/
skill-up

An evaluation and evolution tool for Agent Skills.

880
paleo/
alignfirst

Companion products for AI-assisted software work.

86
trailofbits/
skills

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows

7k
Coooolfan/
onlyboxes

Code Execution Sandbox Platform Solution for Individuals and Small Teams with MCP

48

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

AI code reviews grounded in 12 classic engineering books — decay risk diagnostics with book citations, severity labels, and 6 analysis modes including full-sweep auto-fix

1.5k
LarsCowe/
bmalph

Unified AI Development Framework - BMAD phases with Ralph execution loop

406
CronusL-1141/
AI-company

Multi-agent team operating system for Claude Code. 108 MCP tools, 40+ agent templates, 10 lifecycle hooks, 7 pipeline workflows. Persistent teams, structured meetings, task wall, real-time React dashboard. No LangChain/AutoGen — pure CC native integration.

357