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Score a repository's agentic legibility from repo-visible evidence only. Use when Codex needs to audit how easy a codebase is for coding agents to discover, bootstrap, validate, and navigate, especially for harness-engineering reviews, developer-experience audits, repo cleanup, or before/after comparisons after improving docs, tooling, or architectural constraints.

Chanfana is an OpenAPI 3/3.1 schema generator and request validator for Hono and itty-router on Cloudflare Workers. It uses Zod v4 for schemas and provides auto CRUD endpoints with D1 support.

Generate Swimlane Lit Element Solution (CDN). Requires the use-swim-ui skill for component list, API, CDN, and design rules.

What are the Tradeoffs?

Comprehensive Microsoft 365 tenant administration skill for setup, configuration, user management, security policies, and organizational structure optimization for Global Administrators

World-class prompt powerhouse that generates production-ready mega-prompts for any role, industry, and task through intelligent 7-question flow, 69 comprehensive presets across 15 professional domains (technical, business, creative, legal, finance, HR, design, customer, executive, manufacturing, R&D, regulatory, specialized-technical, research, creative-media), multiple output formats (XML/Claude/ChatGPT/Gemini), quality validation gates, and contextual best practices from OpenAI/Anthropic/Google. Supports both core and advanced modes with testing scenarios and prompt variations.

Comprehensive Scrum Master assistant for sprint planning, backlog grooming, retrospectives, capacity planning, and daily standups with intelligent context-aware reporting

Generate custom Claude Code slash commands through intelligent 5-7 question flow. Creates powerful commands for business research, content analysis, healthcare compliance, API integration, documentation automation, and workflow optimization. Outputs organized commands to generated-commands/ with validation and installation guidance.

Comprehensive Test Driven Development guide for engineering subagents with multi-framework support, coverage analysis, and intelligent test generation

Comprehensive technology stack evaluation and comparison tool with TCO analysis, security assessment, and intelligent recommendations for engineering teams

Strategic framework for creating uncontested market space that makes the competition irrelevant, based on simultaneous pursuit of differentiation and low cost.

Scientific, customer-centric approach to conversion rate optimization based on the CRE Methodology(TM). Extraordinary improvements come from understanding WHY visitors don't convert, not from copying

Strategic framework for marketing and selling disruptive technology products, particularly for transitioning from early adopters to mainstream customers.

Framework for building habit-forming products. Based on a fundamental truth: habits are not created—they are built through successive cycles through the Hook.

Framework for creating offers so good that people feel stupid saying no. Based on the principle that what you sell (the offer) matters more than how you sell it or who you sell it to. A Grand Slam Off

Framework for applying the science of persuasion ethically and effectively. Based on six decades of research into why people say "yes" and what makes them comply with requests.

Framework for designing native iOS app interfaces that feel intuitive, consistent, and aligned with Apple's design philosophy. Based on Apple's Human Interface Guidelines, the definitive resource for

This skill implements the product positioning methodology from April Dunford's "Obviously Awesome." It provides a structured, repeatable process for defining how your product is the best in the world

A complete marketing system captured on a single page. Instead of a 50-page marketing plan that never gets executed, the 1-Page Marketing Plan distills everything into a 3x3 grid of nine squares — eac

A proven 4-step system for generating qualified leads through interactive assessments. This approach generates warm leads with rich data about each prospect.

A complete system for running a business with six key components. Designed for entrepreneurial companies ($2M-$50M revenue, 10-250 employees) that want to align vision and execution.

A practical guide to choosing, pairing, and implementing typefaces for the web. Typography serves communication — the best typography is invisible, immersing readers in content rather than calling att

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Prompts for parallel documentation review agents.

A complete system for building profitable software products without bloat, bureaucracy, or burnout. Over fifteen years, 37signals distilled their approach into three books: *Getting Real* (2006) estab

A disciplined approach to writing code that communicates intent, minimizes surprises, and welcomes change. Apply these principles when writing new code, reviewing pull requests, refactoring legacy sys

A principled approach to building reliable, scalable, and maintainable data systems. Apply these principles when choosing databases, designing schemas, architecting distributed systems, or reasoning a

Framework for tackling software complexity by modeling code around the business domain. Based on a fundamental truth: the greatest risk in software is not technical failure -- it is building a model t

A systematic approach to web performance optimization grounded in how browsers, protocols, and networks actually work. Apply these principles when building frontend applications, reviewing performance

Framework for designing products that reliably change behavior. Based on a fundamental truth: behavior is not about willpower or motivation—it is a design problem with a predictable equation.

Framework for building products customers love by structuring empowered teams that solve hard problems through continuous discovery and delivery. Based on a fundamental truth: the best product compani

A practice-driven approach to user experience design that replaces heavy deliverables with rapid experimentation, cross-functional collaboration, and continuous learning. Based on a fundamental truth:

A systems-level approach to software craftsmanship from Hunt & Thomas' "The Pragmatic Programmer" (20th Anniversary Edition). Apply these principles when designing systems, reviewing architecture, wri

A disciplined approach to improving the internal structure of existing code without changing its observable behavior. Apply these named transformations when reviewing code, reducing technical debt, or

Framework for designing, deploying, and operating production-ready software systems. Based on a fundamental truth: the software that passes QA is not the software that survives production. Production

A practical framework for managing the fundamental challenge of software engineering: complexity. Apply these principles when designing modules, reviewing APIs, refactoring code, or advising on archit

A structured approach to designing large-scale distributed systems. Apply these principles when architecting new services, reviewing system designs, estimating capacity, or preparing for system design