This repository also configures its own agents. See what agent-skills tells them →
Skill Claude CodeCodex
Design cultures for closed-loop life support systems in space. Use when worldbuilding stations, ships, or habitats where recycled matter creates novel social structures, beliefs, and conflicts.
Skill Claude CodeCodex
Create worldbuilding quotes and epigraphs through documentary perspectives. Use for chapter epigraphs, in-world documents, or any content where limited perspective creates meaning through what the documenter cannot see.
Skill Claude CodeCodex
Design cities, towns, and settlements for fictional worlds. Use when creating urban environments, mapping city districts, or when settlements need realistic layered development and spatial logic.
Skill Claude CodeCodex
Build worlds through cascading consequences from speculative changes. Use when introducing new technologies, species, or alternate histories and need to trace realistic societal transformations across multiple domains.
Skill Claude CodeCodex
Manage long-term fate and fortune across a shared world. Use when powerful entities feel permanent, when the world becomes static, when you need probabilistic death/fall mechanics, or when campaigns need world-level consequences that persist. Operates above the game-facilitator level.
Skill Claude CodeCodex
Diagnose world-level story problems. This skill should be used when settings feel thin, institutions feel designed rather than evolved, economies don't make sense, or non-human species feel like humans in costume. Keywords: worldbuilding, setting, world, institutions, economy, culture, species, consequences.
Skill Claude CodeCodex
Diagnose and improve humor using systems thinking. Use when jokes fall flat, when humor feels forced, when punchlines don't land, or when you want to systematically enhance comedic writing. Treats jokes as engineerable connection systems.
Skill Claude CodeCodex
Diagnose lyric problems across prosody, rhyme, meaning, register, sound, and structure. Use when AI-generated or human lyrics feel flat, cliched, awkward, or mismatched.
Skill Claude CodeCodex
Extract descriptive musical characteristics from any artist or band without using their name, building a vocabulary of sonic qualities for AI music generation, music description, or creative recombination.
Skill Claude CodeCodex
Diagnose competitive product analysis state and guide through systematic market evaluation. Use when analyzing a product category, building feature comparisons, understanding competitive landscape, building personas, or deciding build vs. buy. Routes to 6 interconnected frameworks based on current analysis state.
Skill Claude CodeCodex
Convert written documents to narrated video scripts with TTS audio and word-level timing. Use when preparing essays, blog posts, or articles for video narration. Outputs scene files, audio, and VTT with precise word timestamps. Keywords: narration, voiceover, TTS, scenes, audio, timing, video script, spoken.
Skill Claude CodeCodex
Systematically analyze societal impacts of technologies using McLuhan's Tetrad of Media Effects. Use when evaluating new technology, planning technology adoption, or analyzing technology policy.
Skill Claude CodeCodex
Design and evaluate presentations that communicate effectively. Use when designing a presentation, creating slides, getting presentation feedback, structuring a talk, or reviewing slides. Keywords: presentation, slides, talk, PowerPoint, Keynote, reveal.js.
Skill Claude CodeCodex
Transform comprehensive written content into purposeful spoken guidance. Use when adapting for speech, converting to spoken format, optimizing for listening, or creating audio content from written material. Keywords: speech, audio, spoken, listening, adaptation, podcast.
Skill Claude CodeCodex
Parse ebooks, extract concepts and entities with citation traceability, classify by type/layer, and synthesize across book collections.
Skill Claude CodeCodex
Create and manipulate PDF files programmatically. Use when the user needs to generate PDFs, fill PDF forms, extract PDF content, add watermarks/overlays, or merge documents. Supports both template-based generation (form filling, overlays) and from-scratch creation. Keywords: PDF, document, form, fillable, merge…
Skill Claude CodeCodex
Create and manipulate PowerPoint PPTX files programmatically. Use when the user needs to generate presentations, modify PPTX templates, extract slide content, create thumbnail previews, or automate PowerPoint workflows. Supports both template-based generation (for branding compliance) and from-scratch creation.…
Skill Claude CodeCodex
Generate RevealJS HTML presentations with reliable layout, professional typography, and effective visual communication. Use when creating slide decks, pitch presentations, technical talks, or any reveal.js output.
Skill Claude CodeCodex
Create and manipulate Excel XLSX files programmatically. Use when the user needs to generate spreadsheets, modify XLSX templates, extract spreadsheet content, or automate Excel workflows. Supports both template-based generation (for branding compliance) and from-scratch creation. Keywords: Excel, XLSX, spreadsheet…
Skill Claude CodeCodex
Create and manipulate Word DOCX files programmatically. Use when the user needs to generate documents, modify DOCX templates, extract document content, or automate Word document workflows. Supports both template-based generation (for branding compliance) and from-scratch creation. Keywords: Word, DOCX, document…
Skill Claude CodeCodex
Guide competency framework development and operation. Use when building training that produces capability, when existing training doesn't produce competence, when structuring knowledge for multiple audiences, or when setting up feedback loops to surface gaps.
Skill Claude CodeCodex
Guide AI-assisted learning that empowers learners while maintaining appropriate boundaries. Use when teaching, explaining concepts, or helping someone who is struggling to understand.
Skill Claude CodeCodex
Expand seeds and escape convergent ideation. Use when you have the start of an idea and want to grow it, when brainstorming produces the same ideas every time, or when you need to explore possibility space.
Skill Claude CodeCodex
Diagnose why names don't work and guide creation of names that do. Use for brand names, product names, character names, place names, and titles when something feels off or when systematic naming is needed.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: