Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.
This repository also configures its own agents. See what spellbook tells them →
Skill Codex
Design and verify data contracts, schema changes, migrations, rollbacks, backfills, compatibility windows, tenant isolation, and API-to-database field mapping. Use when changing database schema, event payloads, persisted documents, analytics tables, multi-tenant data boundaries, or any user-visible data contract where…
Skill Claude CodeCodex
Use when designing PostgreSQL + Redis data models, indexes, caching strategies, JSONB usage, tiered storage, or cache consistency contracts.
Skill Codex
Route full software-development architecture work from product intent through design, implementation, testing, release, and operations. Use when the user asks for a complete development architecture, wants to know which Spellbook skills to combine, needs an execution path across…
Skill Claude CodeCodex
DevOps and CI/CD expert. Use when setting up pipelines, containerizing applications, deploying to Kubernetes, or implementing release strategies. Covers GitHub Actions, Docker, K8s, Terraform, and GitOps.
Skill Claude CodeCodex
Guides clean architecture design with strict 200-line file limits. Use when starting new features, refactoring large files, or planning module structure. Enforces modular design and real testing.
Skill Claude CodeCodex
Extract Figma designs and generate production-ready React/Next.js components with TypeScript, Tailwind CSS, and pixel-perfect accuracy. Use when a user provides a Figma URL or asks to convert Figma designs to code.
Skill Claude CodeCodex
Use when the user wants to extract Figma designs into production-ready React or Next.js components with TypeScript, Tailwind CSS, and pixel-perfect accuracy.
Skill Codex
Guard long, ambiguous, or stateful AI-agent work from drift. Use when the user asks to run or continue a multi-step task, autonomous loop, bug fix, repo change, PR readiness check, compaction handoff, resume from previous context, cost-control checkpoint, or any task likely to span many tool calls, files, sessions…
Skill Claude CodeCodex
Create distinctive, production-grade web frontend interfaces with high design quality. Use when the user explicitly asks to build or substantially redesign a web component, page, or application. Only applies when repository inspection confirms that the visual surface is a browser-rendered web UI. Do not use for native…
Skill Claude CodeCodex
A guide for running Gemma 4 12B, an AI language model, locally on a Mac or Apple Silicon computer. It uses downloaded model files and a local service that provides an OpenAI-compatible API or Ollama access when requested.
Skill Claude CodeCodex
Generates meaningful, conventional commit messages automatically. Use when committing code changes. Analyzes diff to create descriptive commits following best practices.
Skill Claude CodeCodex
A research and reporting skill for finding popular open-source projects on GitHub and analyzing technology trends. GitHub Trending is a list of repositories receiving notable recent attention.
Skill Claude CodeCodex needs its repo
Modern Go Web application architecture guide. Use when creating new Go web projects, APIs, or microservices. Covers project structure, tech stack selection, and best practices based on Go standards.
Skill Claude Code
A tool that connects to a remote server over SSH to show GPU usage, running processes, and the containers they belong to. A GPU is a processor often used for machine-learning and other heavy calculations.
Skill Claude CodeCodex needs its repo
HarmonyOS application development expert. Use when building HarmonyOS apps with ArkTS, ArkUI, Stage model, and distributed capabilities. Covers HarmonyOS NEXT (API 12+) best practices.
Skill Claude Code
Remove signs of AI-generated writing from text. Use when editing or reviewing text to make it sound more natural and human-written. Based on Wikipedia's comprehensive "Signs of AI writing" guide. Detects and fixes patterns including: inflated symbolism, promotional language, superficial -ing analyses, vague…
Skill Codex
Create or audit SLOs, SLIs, alert rules, incident response steps, escalation paths, postmortems, operational runbooks, and customer-impact communication. Use when defining production reliability, preparing launch readiness, responding to an outage, writing a runbook, tuning alerts, or closing the loop after an…
Skill Claude CodeCodex
Use when creating or maintaining UI design systems, design tokens, component documentation, responsive calculations, quality checks, or design-dev handoff materials.
Skill Claude CodeCodex
Evidence-driven architecture research for understanding real systems and making technical decisions. Use when doing architecture landscape studies, source-backed system archaeology, build-vs-buy or adopt/adapt/build decisions, open-source and commercial comparisons, revisiting an earlier architecture choice, or…
Skill Claude CodeCodex
Collaborative design refinement through Socratic dialogue. Use when exploring ideas, designing features, or planning architecture. Not for mechanical implementation tasks.
Skill Codex
Plan, produce, or diagnose evidence-backed product demo videos and screen-recorded promotional walkthroughs. Use when the user asks to make a product demo, launch video, feature showcase, app walkthrough, demo reel, or polished recording; wants every important capability shown without a slow feature tour; asks to…
Skill Claude CodeCodex
An IP and proxy assessment tool that checks registration details, location databases, network ownership, reputation, and access to selected AI services. It compares several signals instead of trusting one location result.
Skill Claude CodeCodex
A research workflow that sends one question to several AI systems and internal agents, then compares their findings. It groups results by agreement, disagreement, and confidence.
Skill Codex
Use when coordinating complex tasks across multiple AI agents with a centralized handoff document for planning, execution tracking, and feedback fusion.
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: