claude-skills

In the author's own words, from each skill's SKILL.md.

• 2d-pixel-asset

  Generate 2D pixel art game assets using Google Gemini via Chrome browser automation. Triggers when the user wants to create pixel art, game sprites, tilesets, game assets, or edit existing game art. Supports reference image uploads for style consistency, model selection (Flash/Pro), resolution control, automatic background removal (chroma key, ML-based via BiRefNet, or Adobe Express), and rasteri…

  2d-pixel-asset/SKILL.md on GitHub (opens in a new tab)

• anthropic-skilljar-extractor

  Extracts any Anthropic Academy (Skilljar) course into a structured markdown folder. Triggers when the user provides an anthropic.skilljar.com URL and asks to extract, research, download, or convert a course to markdown. Produces one markdown file per lesson organized into section folders, with course diagrams downloaded and described. Use when user says things like "extract this course", "convert…

  anthropic-skilljar-extractor/SKILL.md on GitHub (opens in a new tab)

• audio-to-midi

  Convert MP3/WAV/FLAC audio files to MIDI (.mid) and MusicXML (.musicxml) with full music analysis. Two engines: Basic Pitch (general-purpose polyphonic) and Piano Model (high-accuracy piano, 96.7% F1). Optional Demucs stem separation. Use --engine piano for piano/keyboard music for best results. Trigger when the user wants to: transcribe audio to MIDI, convert music to sheet music/notes, extract…

  audio-to-midi/SKILL.md on GitHub (opens in a new tab)

• auto-research

  Improve any existing Claude Code skill, CLAUDE.md, subagent definition, slash-command, or prompt markdown file by combining web-researched best-practice rewrites with autonomous Karpathy-style binary eval loops. Use when the user wants to "auto-research", "self-improve", "auto-improve", "optimize", "modernize", or "research-improve" any existing SKILL.md, CLAUDE.md, agent file under .claude/agent…

  auto-research/SKILL.md on GitHub (opens in a new tab)

• gemini-image-gen

  Generate images using Google Gemini via Chrome browser automation. This skill should be used when the user wants to create, generate, or produce images with Gemini, Google AI, or Imagen. Supports resolution control (0.5K, 1K, 2K, 4K), aspect ratios, up to 14 reference images, style transfer, text rendering, image editing, and inpainting. Automatically downloads generated images and moves them to…

  gemini-image-gen/SKILL.md on GitHub (opens in a new tab)

• gemini-web-media-analysis

  Attach a local image or video to gemini.google.com through Chrome automation and get an analysis, without opening a native file dialog. Use when a second opinion on a screenshot, render, contact sheet, frame grid, or gameplay capture is wanted and the user is already signed in to Gemini in Chrome. Both images and video work; the two paths differ and both are documented here.

  gemini-web-media-analysis/SKILL.md on GitHub (opens in a new tab)

• google-ai-studio-tts

  Generate speech, podcasts, voiceovers, and multi-speaker dialogue with Google AI Studio's Gemini Flash TTS by driving the live web app in Chrome via the claude-in-chrome MCP server. Use whenever the user asks to (1) create a podcast, audiobook chapter, narration, audio drama, or voiceover with Gemini / Google AI Studio TTS; (2) turn a script into multi-speaker audio (e.g. "two-host podcast", "Spe…

  google-ai-studio-tts/SKILL.md on GitHub (opens in a new tab)

• hermes-tweet

  Use Hermes Tweet with Hermes Agent for X/Twitter endpoint discovery, public reads, private action-gated reads, audience analysis, thread planning, and guarded publishing. Use when a project needs Hermes-native social research or publishing workflows.

  hermes-tweet/SKILL.md on GitHub (opens in a new tab)

• link-download

  Download videos as MP4 or extract audio as MP3 from Instagram, YouTube, TikTok, Twitter/X, Facebook, and 1000+ other platforms using yt-dlp. Use this skill when the user wants to download, save, or grab a video or audio/song/music from any URL. Supports MP4 (default) and MP3 (with --mp3 flag). Handles authentication via browser cookies when needed.

  link-download/SKILL.md on GitHub (opens in a new tab)

• llama-cpp

  Guide for llama.cpp, the C/C++ LLM inference framework by ggml-org. Covers the C API (llama.h), GGUF format, quantization (Q4_K_M, Q8_0, IQ4_XS), CMake builds, GPU backends (CUDA, Vulkan, Metal, ROCm), HTTP server with OpenAI-compatible API, embeddings, grammar constraints, function calling, LoRA, speculative decoding, multimodal, and UE5 integration. Use when: llama.cpp, GGUF models, local LLM i…

  llama-cpp/SKILL.md on GitHub (opens in a new tab)

• meta-muse-video-analysis

  Analyze local video files with the fixed Meta Model API model Muse Spark 1.2 Contributor and a user-defined prompt. Use when Codex or Claude Code is asked to inspect, summarize, transcribe, timestamp, inventory, review, or extract information from a video and the META_MUSE_KEY Windows environment variable is available.

  meta-muse-video-analysis/SKILL.md on GitHub (opens in a new tab)

• midi-synth

  Synthesize and render MIDI/MusicXML files to audio (WAV/MP3) and generate Strudel live-coding patterns for creative music manipulation. Uses analysis data (tempo, key, chords, dynamics) from audio-to-midi for intelligent ghost-note removal and accurate reproduction. Two workflows: (1) Convert MIDI/MusicXML to Strudel/TidalCycles code with note durations for interactive tweaking in the browser at…

  midi-synth/SKILL.md on GitHub (opens in a new tab)

• opencode

  Invoke OpenCode CLI as a sub-agent to leverage alternative AI models (GPT-5.x, Codex, local models) for code implementation, review, debugging, research, and second opinions. Use when the user asks to "use opencode", "get a second opinion from GPT/Codex", "implement with opencode", "review with opencode", "let opencode handle this", "use a different model", or wants cross-model validation. Also t…

  opencode/SKILL.md on GitHub (opens in a new tab)

• seedance

  Expert guide for prompting ByteDance's Seedance 2.0 AI video model (text-to-video, image-to-video, first/last-frame, multi-reference, and multi-shot generation with native synchronized audio). Use when the user wants to write, improve, or debug a Seedance 2.0 prompt; plan a shot; work with reference images/videos/audio; animate a start frame or interpolate first-and-last frames; direct camera mov…

  seedance/SKILL.md on GitHub (opens in a new tab)

• tech-product-landing

  Build production-grade landing pages for software/CLI tools, developer libraries, and technical products. Uses the "Maxsim-style" design system: dark theme, blue accent glows, framer-motion animations, geometric hero grid, marquee tech stack, tabbed docs, and timeline how-it-works sections. Trigger when user says "create a landing page for my software", "build a product site", "make a landing pag…

  tech-product-landing/SKILL.md on GitHub (opens in a new tab)

• unreal-best-practices

  Comprehensive best practices guide for modern Unreal Engine 5.x development. Covers Epic's strategic direction toward modern systems (GAS, Enhanced Input, StateTree, MetaSounds, Niagara, PCG, CommonUI, World Partition, Game Feature Plugins, Gameplay Tags), the "research first" philosophy of always checking for newer UE systems before implementing, C++ vs Blueprint decision making, data-driven des…

  unreal-best-practices/SKILL.md on GitHub (opens in a new tab)

• unreal-blueprint-codegen

  Programmatically generate Unreal Engine 5.x Blueprint and Widget Blueprint .uasset files from C++. Use when building a content generator for Fab/Marketplace samples, Quick-Start kits, tutorial assets, or editor utilities that mass-produce Blueprints, Widget Blueprints with UMG animations, or domain assets (dialogue, quest, ability data). Covers UBlueprint creation with full event-graph authoring…

  unreal-blueprint-codegen/SKILL.md on GitHub (opens in a new tab)

• unreal-gas

  Expert guide for Unreal Engine 5.x Gameplay Ability System (GAS) C++ development. Covers AbilitySystemComponent, GameplayAbilities, GameplayEffects, Attributes/AttributeSets, GameplayTags, GameplayCues, AbilityTasks, prediction/replication, and common patterns. Use when the user asks about GAS, gameplay abilities, gameplay effects, attribute sets, ability system component, gameplay tags in the co…

  unreal-gas/SKILL.md on GitHub (opens in a new tab)

• unreal-pcg-python

  Guide for Unreal Engine 5.x PCG (Procedural Content Generation) Python integration. Covers the PCGPythonInterop plugin, the Execute Python Script node, PCG Python API (PCGComponent, PCGBlueprintElement, PCGSpatialData, PCGPointData), editor automation, custom PCG nodes via Python, and known limitations. Use when the user asks about PCG Python, PCGPythonInterop, Execute Python Script node, Python…

  unreal-pcg-python/SKILL.md on GitHub (opens in a new tab)

• unreal-thirdparty

  Expert guide for integrating third-party C/C++ libraries into Unreal Engine 5.x projects and plugins. Covers static linking, dynamic linking (DLL/SO/dylib), Build.cs configuration, ModuleType.External, delay loading, runtime dependency staging, wrapping patterns, cross-platform considerations (Windows/macOS/Linux), ABI compatibility, RTTI/exceptions, header inclusion with THIRD_PARTY_INCLUDES_STA…

  unreal-thirdparty/SKILL.md on GitHub (opens in a new tab)

• video-download

  Download videos from Instagram, YouTube, TikTok, Twitter/X, Facebook, and 1000+ other platforms as MP4 files using yt-dlp. Auto-recovers from YouTube bot detection ("Sign in to confirm you're not a bot", LOGIN_REQUIRED) by rotating through browser cookies and cookie files without manual intervention. Use this skill when the user wants to download, save, or grab one or more videos from any social…

  video-download/SKILL.md on GitHub (opens in a new tab)

• video-fetch-and-summarize

  Downloads videos from URLs and generates a Markdown summary for each one using the Gemini API. Supports custom prompts to extract specific information instead of the default summary. Each video is saved in its own subfolder containing the MP4 file and a summary.md. Use this skill when the user provides video URLs directly, or a file (Markdown, TXT, or any text file) containing video URLs, and wan…

  video-fetch-and-summarize/SKILL.md on GitHub (opens in a new tab)

• video-summarizer

  Analyzes local MP4 video files using the Gemini API and generates structured Markdown summaries. Supports custom prompts to extract specific information instead of the default summary. Use when the user wants to summarize, analyze, or extract key points from video files in bulk. Triggers on requests like "summarize my videos", "create markdown summaries for the videos", "analyze videos with Gemin…

  video-summarizer/SKILL.md on GitHub (opens in a new tab)

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