Comprehensive backend API development skill for building robust, scalable APIs. Use when creating new endpoints, services, or backend functionality. Keywords: API, backend, endpoint, service, REST, GraphQL, server, controller, route
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Documentation templates and structure guidelines. README, API docs, code comments, and AI-friendly documentation.
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Use when the task involves reading, creating, or editing `.docx` documents, especially when formatting or layout fidelity matters; prefer `python-docx` plus the bundled `scripts/render_docx.py` for visual checks.
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Comprehensive fix verification methodology to ensure bugs are truly fixed. Use after implementing any bug fix to verify it works and hasn't caused regressions. Keywords: verify, confirm, test, validate, check, ensure, regression, fixed
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Create and edit presentation slide decks (`.pptx`) with PptxGenJS, bundled layout helpers, and render/validation utilities. Use when tasks involve building a new PowerPoint deck, recreating slides from screenshots/PDFs/reference decks, modifying slide content while preserving editable output, adding charts/diagrams/visuals, or diagnosing layout issues such as overflow, overlaps, and font substitution.
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AI operational modes (brainstorm, implement, debug, review, teach, ship, orchestrate). Use to adapt behavior based on task type.
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Comprehensive 4-phase debugging methodology for complex bugs. Use for bugs that aren't immediately obvious or have resisted quick fixes. Keywords: bug, error, fix, debug, broken, crash, fail, exception
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Create diagrams and visualizations using Mermaid.js v11 syntax. Use when generating flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, Gantt charts, user journeys, timelines, architecture diagrams, or any of 24+ diagram types. Supports JavaScript API integration, CLI rendering to SVG/PNG/PDF, theming, configuration, and accessibility features. Essential for documentation, technical diagrams, project planning, system architecture, and visual communication.
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Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
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A template for creating new modular and scalable agent skills.
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Security-focused development skill covering OWASP Top 10 and secure coding. Use when implementing authentication, handling user data, or security review. Keywords: security, auth, authentication, authorization, OWASP, XSS, SQL injection, CSRF, secure
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Comprehensive testing skill covering unit, integration, and e2e testing with TDD. Use when writing tests, improving coverage, or setting up testing infrastructure. Keywords: test, TDD, unit test, integration, e2e, coverage, mock, jest, vitest
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Red team tactics principles based on MITRE ATT&CK. Attack phases, detection evasion, reporting.
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Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
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Deep root cause analysis using the 5 Whys and Fishbone techniques. Use when systematic debugging hasn't found the cause, or for complex systemic issues. Keywords: root cause, why, underlying, fundamental, systemic, deep, origin
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Project scaffolding templates for new applications. Use when creating new projects from scratch. Contains 12 templates for various tech stacks.
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Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas
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Comprehensive code review checklist and methodology. Use when reviewing PRs, conducting code audits, or assessing code quality. Keywords: review, PR, code review, audit, assess, quality, check
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Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks
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Force unrelated concepts together to discover emergent properties - "What if we treated X like Y?"
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Flip core assumptions to reveal hidden constraints and alternative approaches - "what if the opposite were true?"
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Structured task planning with clear breakdowns, dependencies, and verification criteria. Use when implementing features, refactoring, or any multi-step work.
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Systematically trace bugs backward through call stack to find original trigger
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Server management principles and decision-making. Process management, monitoring strategy, and scaling decisions. Teaches thinking, not commands.
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