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

Skills, MCP servers, Custom Agents, Agents.md for SDKs to ground Coding Agents
Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.
The full-stack TypeScript framework to build, test, and deploy production-ready MCP servers and AI-native apps.
Automated TDD enforcement for Claude Code

Lightweight coding agent written in Rust, optimized for memory footprint and performance
Official agent plugin providing skills and MCP server configurations for Azure scenarios.
An IOS Simulator Skill for ClaudeCode. Use it to optimise Claude's ability to build, run and interact with your apps, and to proxy xcodebuild to save token and context wastage.
Turn any repo into an agent-ready workspace for Claude Code, Codex, Cursor, and other coding agents.

Agent Skills for iOS 26+, Swift 6.3, SwiftUI, and modern Apple frameworks
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.
One-stop handbook for building, deploying, and understanding LLM agents with 60+ skeletons, tutorials, ecosystem guides, and evaluation tools.
⚡️ A curated library of Agent Skills focused on Jetpack Compose performance.
Save tokens. Maximize context, Safely
Making ANY Software Skill-Native -- Auto-generate production-ready AI Agent Skills for Claude Code, OpenClaw, Codex, and more.
Multi-agent orchestration platform for Gemini CLI, Claude Code, Codex, and Qwen Code — 39 specialists, parallel subagents, persistent sessions, and built-in code review, debugging, security, SEO, accessibility, and compliance tools
The operations layer for agentic engineering — portable skills and contracts connecting intent, agents, software factories, and independent judgment.
Agents and skills for building Windows apps with WinUI 3 and the Windows App SDK

Ghost Security's collection of AppSec skills for AI coding agents
An instruction layer for AI coding agent
Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman collections, OpenAPI specs, and environments via Model Context Protocol (MCP)
AI agent skill for Jetpack Compose & Compose Multiplatform (KMP/CMP). MVI architecture, Navigation 3, Koin/Hilt, Ktor, Room, DataStore, Paging 3, Coil, coroutines/Flow, animations, performance, accessibility, testing, and cross-platform patterns. Works with Codex, Cursor, Claude Code.
Chiasmus is an MCP server that gives language models access to formal verification