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A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings

Write HTML. Render video. Built for agents.

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

The design vocabulary for your coding agent. Steer with polish and bolder, review with critique and audit, catch AI slop before it ships.

VoiceStudio is the open-source, fully-local ElevenLabs alternative — voice cloning, voice design, video dubbing, dictation, transcription & audiobook creation in 646 languages.

Design physical products with AI

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

Build your own network of agents from Claude Code, Codex and Pi: persistent teams with roles, shared context and owned work.

Official, Anthropic-managed directory of high quality Claude Code Plugins.

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

Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and enforces routing across 17 platforms via MCP + hooks.

Cursor plugin specification and official plugins

Ghidra is a software reverse engineering (SRE) framework

Agent skills that give coding agents taste: art direction, reference images and a browser check instead of generic AI pages

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

Universal SEO skill for Claude Code. 26 sub-skills + 19 sub-agents covering technical SEO, E-E-A-T, schema, GEO/AEO, agent readiness (Lighthouse Agentic Browsing, WebMCP, llms.txt), backlinks, local SEO, e-commerce, international SEO, Google APIs, and PDF/Excel reporting. 9 optional extensions for live SEO data.

Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.

The open agent skills tool - npx skills

7.4 billion tokens per month. 34 free LLM providers. 635 free model endpoints. All behind one /v1 endpoint, plus any custom OpenAI-compatible endpoint. Smart routing, automatic failover, encrypted keys. Personal experimentation only.