Sandbox
348 repos for review · TestingClear
avelikiy/
great_cto

You already have the agent. This is everything around it. great_cto runs Claude Code as a pipeline of 70 specialist agents — an independent model checks each stage before the next builds on it, spending caps refuse rather than warn, and three decisions stay yours: what gets built, how, and whether it ships.

92

Tools for AI agents to test, fix and optimise your codebase

46
zgsm-ai/
costrict

Costrict - strict AI coder for enterprises, quality first, including AI Agent, AI CodeReview, AI Completion.

4.4k
AvdLee/
Swift-Testing-Agent-Skill

An agent skill focused entirely on Swift Testing, helping you write better tests, migrate from XCTest, improve test architecture, and adopt modern Swift testing patterns with confidence.

447

AI-ready MCP server for KiCad: automate schematic, PCB, ERC/DRC, DFM, BOM and manufacturing review from Claude, Cursor, Copilot and other AI agents.

82
lensesio/
agentic-engineering-for-apache-kafka

AI agent skills for building, operating and troubleshooting Apache Kafka applications. Topic audit, consumer lag, schema review, security, connectors and DLQ

57
AsyrafHussin/
agent-skills

Skills for AI coding agents — Laravel, PHP, React, TypeScript, testing, security, and code quality.

75
k-kolomeitsev/
data-structure-protocol

Graph-based long-term memory skill for AI (LLM) coding agents — faster context, fewer tokens, safer refactors

66
erikdarlingdata/
PerformanceStudio

Free, open-source SQL Server execution plan analyzer — cross-platform GUI + CLI with 30 analysis rules, missing index detection, SSMS extension. Built-in MCP server for AI-assisted plan review.

240
leonardomso/
rust-skills

A collection of 265 rules across 26 categories that AI coding agents can use to write idiomatic, fast, and safe Rust.

501
artemiimillier/
bulletproof

Turns AI agents from chaotic code generators into disciplined engineers. 12-stage workflow from research to production.

151
FlyFission/
nuclear-grade-context-engineering

AI agents now operate with authority. Authority without discipline is how complex systems fail. Nuclear’s control loop, ported to AI-assisted software engineering.

33
nyldn/
claude-octopus

Run multiple AI models against the same research, design, or coding task. Surface disagreements before you ship.

4.1k
agent-sh/
agentsys

AI writes code. This automates everything else · 24 plugins · 49 agents · 44 skills · for Claude Code, OpenCode, Codex, Cursor, Kiro.

984
Wholiver/
metis

Metis is a coding agent that boosts AI/LLM coding performance by 50%

138
BaseInfinity/
claude-sdlc-harness

Self-evolving SDLC enforcement for AI coding agents — hooks, skills, and one-command setup for Claude Code. Plan before coding, test before shipping, escalate when uncertain. Measures itself getting better over time.

49
addxai/
enterprise-harness-engineering

Enterprise-grade AI Agent Skills for software development, DevOps, SRE, security, and product teams. Compatible with Claude Code, Cursor, Windsurf, Gemini CLI, GitHub Copilot, and 30+ AI coding agents.

44
Agents365-ai/
drawio-skill

From text & real sources to maintainable .drawio architecture models: Diagram IR with source-kind profiles, incremental sync preserving manual layout, multi-view projection, architecture-as-test with a CI action, query/review, what-if, accessible Story Mode, and a built-in MCP server

9.2k
alexei-led/
cc-thingz

Portable skills, agents, hooks, and Pi extensions for Claude Code, Codex CLI, Copilot, Cursor, Grok, and Pi.

35
chatml/
chatml

AI Agent Orchestrator for Claude Code

49
michael-denyer/
pstack-claude

Claude Code, Codex, OpenCode, Gemini, and Prime Agent versions of Poteto's pstack. Rigorous agent workflows with Cursor primitives translated to other agents.

316