AI Agent Skill Library in Action | Dev Tools Articles: Fast-Rising Open Source Projects in Agent Skills (Sep 2026)

In Agent Skills, these open-source projects are gaining stars fast. Sorted by star count, each entry below says what it does and who it's for. (coding ai review)

How to Use AI for Coding

The list below answers that directly — every entry was picked around it and ordered by real platform data. Usually the first one is enough. (coding ai review)

1. obra/superpowers

Owner: obra ｜ Stars: 287,053

An agentic skills framework & software development methodology that works.

2. anthropics/skills

Owner: anthropics ｜ Stars: 177,009

Public repository for Agent Skills

3. langgenius/dify

Owner: langgenius ｜ Stars: 155,800

Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.

4. DietrichGebert/ponytail

Owner: DietrichGebert ｜ Stars: 141,906

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

5. nextlevelbuilder/ui-ux-pro-max-skill

Owner: nextlevelbuilder ｜ Stars: 127,759

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

6. Graphify-Labs/graphify

Owner: Graphify-Labs ｜ Stars: 118,125

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

7. nexu-io/open-design

Owner: nexu-io ｜ Stars: 96,926

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor /

8. addyosmani/agent-skills

Owner: addyosmani ｜ Stars: 96,257

Production-grade engineering skills for AI coding agents.

9. thedotmack/claude-mem

Owner: thedotmack ｜ Stars: 94,183

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

10. Leonxlnx/taste-skill

Owner: Leonxlnx ｜ Stars: 87,300

Taste-Skill - gives your AI good taste. stops the AI from generating boring, generic slop

Direct links

Curated by StackPilot —— the ai agent skill library. Browse all categories for the full directory.