zebbern/claude-code-guide

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project-sizing-guide Software project effort estimation assistant. Outputs three-point estimates (optimistic/most-likely/pessimistic value…

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r3f-animation React Three Fiber animation - useFrame, useAnimations, spring physics, keyframes. Use when animating objects, playing…

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three-best-practices Three.js performance optimization and best practices guidelines. Use when writing, reviewing, or optimizing Three.js …

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repo-audit Deep analysis of Git history: identify frequently changed hotspot files, analyze code ownership by contributor, and s…

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api-shape-explorer Generate multiple radically different interface designs for a module using parallel sub-agents. Use when user wants t…

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code-to-diagram Analyze codebases and automatically generate architecture diagrams, flowcharts, and org charts. Uses AST parsing to m…

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database-optimizer Use when investigating slow queries, analyzing execution plans, or optimizing database performance. Invoke for index …

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dataset-quality-audit Run comprehensive quality checks on tabular data (CSV/Excel/TSV/JSON), detecting missing values, duplicates, outliers…

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deep-module-refactor Explore a codebase to find opportunities for architectural improvement, focusing on making the codebase more testable…

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design-system-builder Extract design systems from reference UI images and generate implementation-ready UI design prompts. Use when users p…

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linux-shell-scripting This skill should be used when the user asks to "create bash scripts", "automate Linux tasks", "monitor system resour…

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localization-toolkit This skill should be used when setting up, auditing, or enforcing internationalization/localization in UI codebases (…

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regulatory-audit-generator Builds compliance checklists for business scenarios involving GDPR, PIPL, or advertising/data laws. Outputs a structu…

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sql-insight Translate natural language to SQL, optimize query performance, and interpret EXPLAIN plans for SQLite and PostgreSQL.…

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timeline-builder Generate beautiful interactive timeline HTML pages from JSON data, with vertical, horizontal, or dual-side layouts, c…

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academic-paper-reviewer Simulates academic peer review, evaluating papers across Originality, Methodology, Results, and Writing to provide Ma…

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audit-flow Interactive system flow tracing across CODE, API, AUTH, DATA, NETWORK layers with SQLite persistence and Mermaid expo…

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caching Caching strategies — invalidation, TTL guidelines, cache keys, cache layers, and when not to cache. Use when implemen…

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chart-image Generate publication-quality PNG chart images from data, supporting line, bar, area, candlestick, pie, and heatmap ch…

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database-scout Explore SQLite and PostgreSQL databases: list tables, inspect schemas (columns/types/constraints), preview data, gene…

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dev-guide-generator Generates complete technical tutorials from prerequisites and environment setup to core steps, troubleshooting, and a…

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pipeline-blueprint Provide CI/CD best practices and pipeline templates for GitHub Actions and GitLab CI, recommending configurations bas…

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r2-upload TypeScript-based MCP skill for uploading files to cloud storage (R2, S3, MinIO) with secure, temporary download links…

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test-driven-dev Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, me…

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test-suite-architect This skill should be used when establishing comprehensive QA testing processes for any software project. Use when cre…

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vercel-react-best-practices React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing…

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code-documenter Use when adding docstrings, creating API documentation, or building documentation sites. Invoke for OpenAPI/Swagger s…

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cross-examine Interview the user relentlessly about a plan or design until reaching shared understanding, resolving each branch of …

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log-error-digest Analyze log files to troubleshoot errors, identify peak error periods, and produce error clustering, frequency statis…

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nextjs-developer Use when building Next.js 14+ applications with App Router, server components, or server actions. Invoke for full-sta…

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pdf Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables…

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playwright-skill Battle-tested Playwright patterns for E2E, API, component, visual, accessibility, and security testing. Covers locato…

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regression-modeler Run regression analysis (OLS or logistic) on uploaded CSV/Excel data, generating coefficients, R², p-values, VIF, and…

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route-to-openapi Generates RESTful API documentation (OpenAPI 3.0 / Swagger spec) by scanning route definitions in code for Flask, Fas…

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tos-clause-scanner Audit Terms of Service, user agreements, and privacy policies for consumer risks, producing a structured report that …

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typescript-pro Use when building TypeScript applications requiring advanced type systems, generics, or full-stack type safety. Invok…

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vercel-composition-patterns React composition patterns that scale. Use when refactoring components with boolean prop proliferation, building flex…

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