Expert guidance for ffuf web fuzzing during penetration testing, including authenticated fuzzing with raw requests, auto-calibration, and result analysis

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

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

Creating interactive data visualisations using d3.js. This skill should be used when creating custom charts, graphs, network diagrams, geographic visualisations, or any complex SVG-based data visualisation that requires fine-grained control over visual elements, transitions, or interactions. Use this for bespoke visualisations beyond standard charting libraries, whether in React, Vue, Svelte, vanilla JavaScript, or any other environment.

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.

Audit subscriptions AND optimize credit card rewards. Analyzes bank CSVs to find recurring charges, categorize spend, identify which card each charge should be on, and calculate potential rewards. Use when user says "audit subscriptions", "optimize my cards", "maximize rewards", or "analyze my spending". Outputs interactive HTML with subscription management and card optimization.

Use when user says 'superflow', 'суперфлоу', or asks for full dev workflow. Four phases: (0) project onboarding & CLAUDE.md bootstrap, (1) collaborative Product Discovery with multi-expert brainstorming and git workflow selection, (2) fully autonomous execution with selected PR/branch strategy, git worktrees, dual-model reviews, max parallelism, and verification discipline, (3) merge with documentation update.

RECOMMENDED: Execute Kotlin code directly in IntelliJ IDEA's runtime with full access to IntelliJ Platform APIs.

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

Use this skill to generate walkthrough video scripts for app features. Triggers: "walkthrough script", "feature walkthrough", "app walkthrough script", "demo script", "video script for app", "feature tour script", "product walkthrough", "screen-by-screen script", "app feature scripts", "walkthrough narration", "tutorial script", "onboarding script", "feature highlight script" Outputs: Timed walkthrough scripts with narration, screen directions, and transitions for each app feature.

Use this skill for AI text-to-speech generation. Triggers include: "generate voice", "create audio", "text to speech", "TTS", "read this aloud", "generate narration", "create voiceover", "synthesize speech", "podcast audio", "dialogue audio", "multi-speaker", "audiobook" Supports Google Gemini TTS, ElevenLabs, and OpenAI TTS.

Use this skill to create complete videos with voiceover and music. Triggers: "create video", "product video", "explainer video", "promo video", "demo video", "training video", "ad video", "commercial", "marketing video", "video with voiceover", "video with music", "brand video", "testimonial video" Orchestrates: script, voiceover, background music, video clips/images, and final assembly.

Use this skill for AI video generation. Triggers include: "generate video", "create video", "make video", "animate", "text to video", "video from image", "video of", "animate image", "bring to life", "make it move", "add motion", "video with audio", "video with dialogue" Supports text-to-video, image-to-video, video with dialogue/audio using Google Veo 3.1 (default) or OpenAI Sora.

Analyze a codebase to extract its conventions, patterns, and style. Spawns specialized analyzer agents that each focus on one aspect (structure, naming, patterns, testing, frontend). Generates a comprehensive style guide that other skills can reference. Use when starting work on an unfamiliar codebase, or to create explicit documentation of implicit conventions.

Use this skill to create multiple social media assets as a coordinated pack. Triggers: "social media content", "content pack", "social assets", "campaign assets", "instagram content", "tiktok content", "launch kit", "marketing kit", "content series", "social media kit", "multiple posts", "content calendar", "batch content" Orchestrates: multiple images, short videos, and audio for social platforms.

Use this skill to create presentation slides from structured content. Triggers: "create slides", "generate presentation", "make powerpoint", "create pptx", "build slides", "presentation from content", "slide deck", "slides for" Outputs: PPTX files, Markdown slides, or HTML presentations. Used by: pitch-deck-agent, market-researcher-agent, and other agents needing slides.

Spawn a new Claude Code session in a separate terminal to work on a different task, optionally with context from the current session. Use when you need to work on something else without losing your current progress.

Use this skill to analyze product reviews, find common issues, and prioritize improvements. Triggers: "analyze reviews", "review analysis", "customer feedback", "what are people saying", "product reviews", "review sentiment", "find complaints", "customer complaints", "improvement recommendations", "voice of customer", "VOC analysis", "feedback analysis" Outputs: Prioritized issues, sentiment analysis, improvement recommendations.

Use React/React Native code as the source of truth and implement the equivalent feature in iOS/Swift. Understands the feature behavior, components, state management, and logic from React, then creates idiomatic iOS code that matches the target codebase's existing patterns. Use when porting features from React/React Native to native iOS or building native alternatives to web components.

Use this skill to design new products, iterate on product ideas, or develop product specifications. Triggers: "design product", "new product idea", "product concept", "product development", "product spec", "iterate on product", "product design", "invention", "prototype spec", "product requirements", "product engineering", "develop product" Outputs: Product specification, BOM estimate, feature breakdown, differentiation analysis.

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

Use this skill to create podcast episodes, interviews, dialogues, and conversation-style audio. Triggers: "create podcast", "podcast episode", "interview audio", "dialogue", "conversation", "two hosts discussing", "audio show", "radio show", "audio drama" Orchestrates: script generation, multi-speaker TTS, intro/outro music, and audio assembly.