Claude skills and agent skills

zebbernSkill

r3f-animation

zebbern/claude-code-guide/skills/r3f-animation/SKILL.md

React Three Fiber animation - useFrame, useAnimations, spring physics, keyframes. Use when animating objects, playing GLTF animations, creating procedural motion, or implementing physics-based movement.

zebbernSkill

r3f-best-practices

zebbern/claude-code-guide/skills/r3f-best-practices/SKILL.md

React Three Fiber (R3F) and Poimandres ecosystem best practices. Use when writing, reviewing, or optimizing R3F code. Triggers on tasks involving @react-three/fiber, @react-three/drei, zustand, @react-three/postprocessing, @react-three/rapier, or leva.

zebbernSkill

vercel-react-best-practices

zebbern/claude-code-guide/skills/react-best-practices/SKILL.md

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

Often used withdep-refs·vercel-composition-patterns·next-upgrade

zebbernSkill

red-team-tools

zebbern/claude-code-guide/skills/red-team-tools/SKILL.md

This skill should be used when the user asks to "follow red team methodology", "perform bug bounty hunting", "automate reconnaissance", "hunt for XSS vulnerabilities", "enumerate subdomains", or needs security researcher techniques and tool configurations from top bug bounty hunters.

zebbernSkill

regression-modeler

zebbern/claude-code-guide/skills/regression-modeler/SKILL.md

Run regression analysis (OLS or logistic) on uploaded CSV/Excel data, generating coefficients, R², p-values, VIF, and plain-language interpretation. Triggered by requests for regression modeling, fitting data, testing significance, checking multicollinearity, or keywords like OLS, logit, coefficient, p-value, or R-squared.

zebbernSkill

regulatory-audit-generator

zebbern/claude-code-guide/skills/regulatory-audit-generator/SKILL.md

Builds compliance checklists for business scenarios involving GDPR, PIPL, or advertising/data laws. Outputs a structured checklist with check items, legal basis, risk levels, and actionable recommendations. Triggered by requests like \"run a compliance check,\" \"GDPR/PIPL compliance,\" \"pre-launch review,\" \"privacy impact assessment (PIA/DPIA),\" or asking if a feature is compliant.

zebbernSkill

repo-audit

zebbern/claude-code-guide/skills/repo-audit/SKILL.md

Deep analysis of Git history: identify frequently changed hotspot files, analyze code ownership by contributor, and scan for leaked secrets. Triggered when users ask about Git analysis, code hotspots, who owns what code, secret scanning, security audits of commit history, or optimizing code review assignments.

zebbernSkill

route-to-openapi

zebbern/claude-code-guide/skills/route-to-openapi/SKILL.md

Generates RESTful API documentation (OpenAPI 3.0 / Swagger spec) by scanning route definitions in code for Flask, FastAPI, Express, Gin, and other frameworks. Trigger when users ask about API documentation, OpenAPI, Swagger, endpoint docs, generating docs from code, or extracting endpoints.

zebbernSkill

scanning-tools

zebbern/claude-code-guide/skills/scanning-tools/SKILL.md

This skill should be used when the user asks to "perform vulnerability scanning", "scan networks for open ports", "assess web application security", "scan wireless networks", "detect malware", "check cloud security", or "evaluate system compliance". It provides comprehensive guidance on security scanning tools and methodologies.

zebbernSkill

scholarly-writing-refiner

zebbern/claude-code-guide/skills/scholarly-writing-refiner/SKILL.md

Polishes academic English paragraph by paragraph, reviewing grammar, word choice, voice, coherence, and sentence structure. Outputs revision suggestions alongside polished text. Triggered by phrases like 'polish this paragraph,' 'check the grammar,' 'rewrite in academic English,' or keywords like manuscript editing, SCI polishing, and journal submission editing.

zebbernSkill

smtp-penetration-testing

zebbern/claude-code-guide/skills/smtp-penetration-testing/SKILL.md

This skill should be used when the user asks to "perform SMTP penetration testing", "enumerate email users", "test for open mail relays", "grab SMTP banners", "brute force email credentials", or "assess mail server security". It provides comprehensive techniques for testing SMTP server security.

zebbernSkill

sql-injection-testing

zebbern/claude-code-guide/skills/sql-injection-testing/SKILL.md

This skill should be used when the user asks to "test for SQL injection vulnerabilities", "perform SQLi attacks", "bypass authentication using SQL injection", "extract database information through injection", "detect SQL injection flaws", or "exploit database query vulnerabilities". It provides comprehensive techniques for identifying, exploiting, and understanding SQL injection attack vectors across different database systems.

zebbernSkill

sql-insight

zebbern/claude-code-guide/skills/sql-insight/SKILL.md

Translate natural language to SQL, optimize query performance, and interpret EXPLAIN plans for SQLite and PostgreSQL. Triggered when users ask to convert questions into SQL, improve slow queries, tune indexes, analyze execution plans, or mention keywords like NL2SQL, query tuning, or full table scan.

zebbernSkill

sqlmap-database-pentesting

zebbern/claude-code-guide/skills/sqlmap-database-pentesting/SKILL.md

This skill should be used when the user asks to "automate SQL injection testing," "enumerate database structure," "extract database credentials using sqlmap," "dump tables and columns from a vulnerable database," or "perform automated database penetration testing." It provides comprehensive guidance for using SQLMap to detect and exploit SQL injection vulnerabilities.

zebbernSkill

test-driven-dev

zebbern/claude-code-guide/skills/test-driven-dev/SKILL.md

Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.

zebbernSkill

test-suite-architect

zebbern/claude-code-guide/skills/test-suite-architect/SKILL.md

This skill should be used when establishing comprehensive QA testing processes for any software project. Use when creating test strategies, writing test cases following Google Testing Standards, executing test plans, tracking bugs with P0-P4 classification, calculating quality metrics, or generating progress reports. Includes autonomous execution capability via master prompts and complete documentation templates for third-party QA team handoffs. Implements OWASP security testing and achieves 90% coverage targets.

zebbernSkill

three-best-practices

zebbern/claude-code-guide/skills/three-best-practices/SKILL.md

Three.js performance optimization and best practices guidelines. Use when writing, reviewing, or optimizing Three.js code. Triggers on tasks involving 3D scenes, WebGL/WebGPU rendering, geometries, materials, textures, lighting, shaders, or TSL.

zebbernSkill

timeline-builder

zebbern/claude-code-guide/skills/timeline-builder/SKILL.md

Generate beautiful interactive timeline HTML pages from JSON data, with vertical, horizontal, or dual-side layouts, collapsible details, and custom colors. Ideal for project milestones, company histories, or resumes. Triggered when a user mentions 'timeline', 'history of events', 'project milestones', 'release log', or asks to visualize a chronological sequence of data.

zebbernSkill

top-web-vulnerabilities

zebbern/claude-code-guide/skills/top-web-vulnerabilities/SKILL.md

This skill should be used when the user asks to "identify web application vulnerabilities", "explain common security flaws", "understand vulnerability categories", "learn about injection attacks", "review access control weaknesses", "analyze API security issues", "assess security misconfigurations", "understand client-side vulnerabilities", "examine mobile and IoT security flaws", or "reference the OWASP-aligned vulnerability taxonomy". Use this skill to provide comprehensive vulnerability definitions, root causes, impacts, and mitigation strategies across all major web security categories.

zebbernSkill

tos-clause-scanner

zebbern/claude-code-guide/skills/tos-clause-scanner/SKILL.md

Audit Terms of Service, user agreements, and privacy policies for consumer risks, producing a structured report that flags unfair clauses, data traps, and liability issues. Trigger when a user asks to review, audit, or analyze a ToS, privacy policy, or user agreement, or mentions specific concerns like auto-renewal or data authorization.