Free, open-source AI writing humanizer and detector. 55 patterns, 5 voices, a 0-100 AI-tell score, and nothing leaves your machine.

AI Agent skills to access structured datasets for startup founders

Email marketing skill for Claude Code. 55K words, 908 sources, 19 industry playbooks. Install the skill and Claude becomes your email marketing expert.

Claude Code skill for HTML email campaigns with Resend. Pull the numbers from your ads via the free Ryze MCP: claude mcp add ryze --transport http https://connector.get-ryze.ai/mcp

Elite frontend design taste for Claude Code / Cowork — a merged synthesis of emilkowalski/skill, pbakaus/impeccable, and leonxlnx/taste-skill. Typography, color, motion, components, anti-slop.

Open-source Claude Code skills that turn one product photo into a full set of e-commerce visuals — main images, A+ detail pages, multi-angle shoots, social posts, and ad creatives. For cross-border sellers on Amazon, Shopify, TikTok Shop.

Agent Skill for PHP security audits - OWASP patterns, vulnerability detection | Claude Code compatible

Battle-tested agent skills and Cursor rules from real projects. Works with Cursor, Claude Code, and any agent.

A Claude Skill to give your agent the ability to use a web browser

13 prompts to control how Claude communicates — choose your style, cut the noise.

Frappe Agent Skills gives AI coding assistants structured Frappe knowledge for DocTypes, APIs, Desk customization, frontend apps, reports, testing, and production patterns.

AI-agent skills for distributed-systems testing

My personal directory of skills.

Turn dense long-form ideas into immersive Reading Editions.

A set of skills and MCP connector to allow agents to build Vapi AI agents, from creating tools and assistants to a phone call

Distilly — Distill how they think into reusable Skills for any Agent or Bot. Formerly Colleague Skill（原同事 Skill）.

Agent skill that removes signs of AI-generated writing from text

Touhou-inspired Agent Skills: distinct, testable, composable problem-solving workflows.

US stock market data for AI coding assistants — zero-auth, official sources. CBOE options with full Greeks + 0DTE flow, FINRA market-wide short volume, SEC EDGAR filing stream, and a free market-wide screener. 13 layers, 30+ endpoints, 11 sources. Every source labeled with its compliance tier.

Run Claude Design locally as an Agent Skill — Cursor, Claude Code & more. Produce polished UI mockups, prototypes, decks & wireframes as self-contained HTML, without claude.ai/design. Best with Opus 4.8.

Cross-platform .NET performance engineering skill for coding agents, covering CPU, memory, GC, benchmarking, concurrency, startup, native profiling, GPU rendering, and production diagnostics on macOS, Windows, and Linux.

Public companion kit for ForgeCAD: examples, agent skills, docs links, and issue tracking. The hosted CAD app and core source live elsewhere.

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.

Research-first design skill for AI agents. 150K+ real app screens and flows via Refero MCP.