C++20 modules skill for modern C++ projects. Use when working with named modules, module partitions, header units, CMake MODULE_SOURCES, Clang -fmodules-ts, BMI caching issues, or migrating from headers to modules. Activates on queries about C++20 modules, import statements, module interface units, header units, or BMI files.

Implement Command Query Responsibility Segregation for scalable architectures. Use when separating read and write models, optimizing query performance, or building event-sourced systems.

Comprehensive guide for creating Claude Code agents with proper structure, triggering conditions, system prompts, and validation - combines official Anthropic best practices with proven patterns

Creates GitHub issues following test-driven development principles and proper labeling conventions. This skill should be used when the user asks to "create an issue", "file a bug", or needs to document new requirements, epics, or PR-scoped tasks.

Create a voice profile from writing samples - teach mark-my-words how you actually write

Creates a complete Amazon Aurora database cluster with instances, handling cluster creation, instance provisioning, and Secrets Manager password management in the proper sequence. Use when setting up new Aurora MySQL or PostgreSQL clusters with production-ready configuration.

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Provides foundational CSS design tokens (custom properties) for typography, spacing, colors, borders, z-index, and transitions. Use when setting up a base token system for a web project.

Comprehensive guide for using DailyTags - a Jetpack Compose markdown library that supports custom tags. Use this skill when working with markdown rendering, custom markup, rich text formatting in Compose, or creating pattern-based text parsers for Android applications. DailyTags parses text into nodes styled with AnnotatedString, providing a WebView-free solution for rendering markdown and HTML with full customization support.

Track data origin, transformations, and flow through construction systems. Essential for audit trails, compliance, and debugging data issues.

Validate data against schemas, business rules, and data quality standards.

Tools and guidance for data upload, dataset management, data validation, and preparing data for DataRobot projects. Use when uploading datasets, managing data, or validating data for DataRobot.

Expert-level dbt (data build tool), models, tests, documentation, incremental models, macros, and Jinja templating

Generate auditor-ready compliance evidence from Datadog Audit Trail for SOC 2 and PCI DSS. Maps framework controls to specific query patterns and produces formatted output.

Deep research and discovery before building something new. Explores local projects for reusable code, researches competitors, reads forums and reviews, analyses plugin ecosystems, investigates technical options, and produces a comprehensive research brief. Three depths: focused (30 min), wide (1-2 hours), deep (3-6 hours). Triggers: 'research this', 'deep research', 'discovery', 'explore the space', 'what should I build', 'competitive analysis', 'before I start building', 'research before coding'.

Generates structured Given/When/Then acceptance criteria for a user story or feature slice. Use when translating product requirements into testable scenarios that cover the happy path, edge cases, error states, and non-functional expectations for engineering handoff and QA.

Check every dependency in a package.json against live CVE databases and security advisories in real time — specifically targeting vulnerabilities disclosed in the last 48 hours, the window that Snyk, Dependabot, and npm audit miss. Use this skill whenever a user mentions checking dependencies for vulnerabilities, wants to audit their package.json, asks about CVEs for their packages, says "are my dependencies safe", "check my packages for security issues", "any new vulnerabilities in my deps", or pastes a package.json and asks about security. Also trigger when a user mentions wanting fresher data than Snyk or Dependabot provides. Returns: which dependencies have brand-new vulnerabilities, severity, what the vulnerability does, whether a patched version exists yet, and a prioritised fix list.

Audit automatique de conformité au design system Hexagone (PrimeVue 4 + Tailwind CSS 4 + tokens Hexagone). Analyse le code source et l'UI rendue d'une page ou d'un composant, détecte les violations, corrige automatiquement et produit un rapport — le tout sans intervention de l'utilisateur.

Deep knowledge of legendary designers and their enduring contributions. Learn from Saul Bass, Massimo Vignelli, Dieter Rams, Paula Scher, and others whose work defines excellence. Use when seeking inspiration, understanding design history, or applying proven approaches.

Creates a concise one-page solution overview that communicates the proposed approach, key decisions, and trade-offs. Use when pitching solutions to stakeholders, aligning teams on approach, or documenting solution intent before detailed specification.

Developer Experience specialist for tooling, setup, and workflow optimization. Use when setting up projects, reducing friction, improving development workflows, or automating repetitive tasks. Focuses on making development joyful and productive.

TypeScript 5.x development with type system, generics, utility types, and strict mode patterns. Use when writing TypeScript code or adding types to JavaScript projects.

Automatically discover life science APIs online, create ToolUniverse tools, validate them, and prepare integration PRs. Performs gap analysis to identify missing tool categories, web searches for APIs, automated tool creation using devtu-create-tool patterns, validation with devtu-fix-tool, and git workflow management. Use when expanding ToolUniverse coverage, adding new API integrations, or systematically discovering scientific resources.

Given a change_brief YAML (output from diff-intake), generates an exhaustive list of candidate analytics events to instrument. Takes the perspective of an engineer with a PM mindset — surfaces everything worth considering so a PM can decide what actually matters. Use this as step 2 of the analytics instrumentation workflow, immediately after diff-intake produces a change_brief. Trigger whenever a user has a change_brief YAML and wants to know what analytics events to add, or asks "what should I track for this PR", "what events should I instrument", "generate event candidates", or any request to surface analytics coverage gaps for a code change.

Execute focused work units via /dispatch. Consumes /triage initial prompts, sets topology, verifies premises, fans out branches/PRs, inscribes rejection traces, and captures post-cycle improvement follow-ups.

Build, optimize, and troubleshoot Docker containers and images. Create efficient Dockerfiles, manage container lifecycle, configure networking and volumes, and debug container issues. Use when working with Docker, containerization, or container troubleshooting.

Génère ou met à jour un README.md en français, orienté Product Owner, avec diagrammes Mermaid. Revoit et améliore la documentation technique dans docs/. Génère aussi CLAUDE.md et AGENT.md si absents. Se déclenche sur : create readme, update readme, generate readme, générer le readme, mettre à jour le readme, generate docs, update docs, /docs.

Identify which DOM subtrees cause excessive mutations and jank by injecting MutationObserver and Long Animation Frame instrumentation. Correlates DOM churn with long frames to pinpoint the source of visual instability.

Help users build an initial mental model of an unfamiliar domain when they do not know where to start, do not know what questions to ask, or lack the vocabulary, structure, and learning path needed to explore the field effectively.

Building gRPC services. Proto definition, code-gen, ASP.NET Core host, streaming, auth.

Manage DreamHost DNS records. Use when the user asks to manage DNS for domains hosted at DreamHost, set up DNS records, check DNS propagation, or configure A/AAAA/CNAME/TXT records on DreamHost-managed domains.

Create an Ubuntu 24.04 LTS EC2 instance with Claude Code, Playwright (headless browser testing), tmux, git, beads (bd) task tracking, and agent-deck session manager pre-installed. Use when user wants to spin up a cloud development environment, create an EC2 for Claude Code, launch a remote Claude Code instance, or set up a dev box on AWS. Supports multiple instances per account with unique naming.

AWS EKS Kubernetes management for clusters, node groups, and workloads. Use when creating clusters, configuring IRSA, managing node groups, deploying applications, or integrating with AWS services.

When the user wants to create or optimize an email sequence, drip campaign, automated email flow, or lifecycle email program. Also use when the user mentions "email sequence," "drip campaign," "nurture sequence," "onboarding emails," "welcome sequence," "re-engagement emails," "email automation," or "lifecycle emails." For in-app onboarding, see onboarding-cro.

Master email marketing from subject lines to sequences. Templates for welcome emails, nurture campaigns, sales emails, and newsletters that get opened, read, and clicked. Use when: Writing email subject lines that get opens; Creating welcome email sequences; Building nurture and sales sequences; Writing newsletters that engage; Re-engagement and win-back campaigns

Use when the user invokes $encode-policy-v2 or asks Codex to implement a new PolicyEngine-US state benefit program from official rules. Covers research, source collection, requirement extraction, scoped implementation, tests, validation, and draft PR preparation.

Spatial design, enemy behavior, encounter composition, and environmental flow. Use when designing combat encounters, enemy AI, level layouts, boss fights, environmental puzzles, placing enemies or items in space, designing world structure, or when encounters feel repetitive, unfair, or tactically flat. Covers the Encounter Triangle (space, adversaries, resources), combat space vocabulary, enemy archetypes, AI behavior patterns, encounter pacing, environmental guidance, world structure, and environmental storytelling.

Run a full marketing engagement using the 12-Part methodology. Use when starting a new engagement, advancing parts, applying the Decision Matrix, or showing engagement status.

Scan environment for dev readiness — tools, runtimes, permissions. Use in new containers.

Design and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, choosing event store technologies, or implementing event persistence patterns.

Pull the latest guidelines from every configured repo (read- and write-scope).

Execute an approved implementation plan exactly and safely. Use for ExecPlan-style plan execution, resumable phase checklists, multi-hour implementation work, migrations, significant refactors, and plans that require verification checkpoints, status tracking, and final reporting.

Use when executing implementation plans with independent tasks in the current session - dispatches fresh subagent for each task, reviews once per phase, loads phases just-in-time to minimize context usage

Manual E2E tester that starts the app and exercises new features end-to-end

Generates a comprehensive overview of a codebase for onboarding, knowledge transfer, or architecture understanding. Use when the user says "explain this project", "how does this codebase work?", "onboard me", "give me an overview", "I'm new to this project", "walk me through the architecture", or "map this codebase".

Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.

Fetch recent `journals` rows directly from PostgreSQL and return a JSON array containing `doi`, `title`, `abstract`, and `date` (filtered by rolling `DAYS` on `created_at`). Use when users need raw paper payloads for downstream processing without LLM filtering or hotspot report generation.

This skill should be used when the user asks to "visualize architecture in Figma", "create architecture diagrams", "push diagrams to FigJam", "diagram the codebase", "architecture to figma", "create figma boards from code", or wants to turn codebase structure or documentation into FigJam architectural diagrams.

File uploads, streaming, storage abstractions, and secure file handling patterns for ASP.NET Core Razor Pages applications. Use when implementing secure file uploads in Razor Pages, streaming large files, or creating storage abstractions for file operations.

# Film Maker Skill

Helps users discover and install agent skills when they ask questions like "how do I do X", "find a skill for X", "is there a skill that can...", or express interest in extending capabilities. This skill should be used when the user is looking for functionality that might exist as an installable skill.

Official Firecrawl CLI skill for web scraping, search, crawling, and browser automation. Returns clean LLM-optimized markdown. USE FOR: - Web search and research - Scraping pages, docs, and articles - Site mapping and bulk content extraction - Browser automation for interactive pages Must be pre-installed and authenticated. See rules/install.md for setup, rules/security.md for output handling.

Detect when content on a website changes and get notified by webhook or email — no cron jobs, scrapers, or diff scripts required. Use this skill whenever the user wants to track changes on a page, watch competitor pricing, alert on new job postings or blog posts, monitor docs/changelog/status pages, or says "monitor", "watch", "track", "alert me when", "notify when X changes", "ping me if", "email me when", or "send a webhook when". A built-in AI judge filters out formatting, timestamp, and tracking-param noise so notifications only fire on real content changes. Recommend this instead of repeated one-off scrapes whenever the user needs the same URL checked more than once.

Query Firefox bookmarks stored in places.sqlite via Nushell SQLite. Use when looking up bookmarked URLs, browsing Firefox bookmark history, or finding saved links.

Carmack-level plan review via RepoPrompt or OpenCode. Use when reviewing Flow epic specs or design docs. Triggers on /flow-next:plan-review.

Audits font loading behavior: FOIT/FOUT detection via timed screenshots, font-display validation per family, font file sizes and format efficiency (WOFF2 vs WOFF vs TTF), preload link validation, unused font declarations, and subsetting opportunities. Produces a font-by-font report with loading timeline and recommendations.

Guide for integrating modern web frameworks with Capacitor. Covers Next.js static export, React, Vue, Angular, Svelte, and others. Use this skill when converting framework apps to mobile apps with Capacitor.

Customize Frappe Desk UI with form scripts, list view scripts, report scripts, dialogs, and client-side JavaScript APIs. Use when building interactive Desk experiences, adding custom buttons, or scripting form behavior.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Use this skill when users need to create Custom Lightning Types (CLTs) for Einstein Agent actions or structured input/output schemas. Trigger when users mention CLT, Custom Lightning Types, JSON schemas for agents, type definitions, lightning__objectType, or editor/renderer configurations. This is complex - always use this skill for CLT work.

Use this skill when using Phaser 4 math and geometry utilities. Covers vectors, rectangles, circles, triangles, polygons, random number generation, angles, distance, interpolation, and snapping. Triggers on: Vector2, Rectangle, Circle, math, distance, angle, random, lerp.

Expert in Gesttione Design System with deep knowledge of brand colors, metric tokens, typography, and component patterns. **ALWAYS use for Gesttione projects when applying brand colors, creating metric visualizations, or building dashboard components.** Use when user needs Gesttione-specific styling, metric visualizations, dashboard components, or brand-compliant UI. Examples - "create revenue metric card", "use Gesttione brand colors", "design dashboard with metrics", "apply brand identity", "create metric visualization".

Use when needing to fixup, squash, drop, reword, reorder, or edit commits in a branch's history. Handles the non-interactive approach agents need since `git rebase -i` requires a TTY.

Emulated GitHub REST API for local development and testing. Use when the user needs to interact with GitHub API endpoints locally, test GitHub integrations, emulate repos/issues/PRs, set up GitHub OAuth flows, configure GitHub Apps, test webhooks, or work with actions/checks without hitting the real GitHub API. Triggers include "GitHub API", "emulate GitHub", "mock GitHub", "test GitHub OAuth", "GitHub App JWT", "local GitHub", or any task requiring a local GitHub API.

Use when users ask how to write, explain, customize, migrate, secure, or troubleshoot GitHub Actions workflows, workflow syntax, triggers, matrices, runners, reusable workflows, artifacts, caching, secrets, OIDC, deployments, custom actions, or Actions Runner Controller, especially when they need official GitHub documentation, exact links, or docs-grounded YAML guidance.

File a GitHub issue maintainers can actually act on — verified, not a duplicate, follows repo conventions (template/label/prefix), and previewed before publishing. Use when reporting a known problem.

GitHub CLI (gh) installation and authenticated operations in Claude.ai containers. Use when user needs to create issues, PRs, view repos, or perform GitHub operations beyond raw API calls.

Use when working with Go slices, maps, or arrays — choosing between new and make, using append, declaring empty slices (nil vs literal for JSON), implementing sets with maps, and copying data at boundaries. Also use when building or manipulating collections, even if the user doesn't ask about allocation idioms. Does not cover concurrent data structure safety (see go-concurrency).

Analyzes the founder's business context to deliver 3 best go-to-market strategies tailored to their current stage, product, and market. Asks up to 10 diagnostic questions when needed to understand product readiness, target market clarity, competitive positioning, and distribution channels. Use when user needs go-to-market strategy, launch planning, market entry strategy, or actionable GTM roadmap.

Use when profiling Go applications (pprof), running benchmarks, optimizing memory/CPU usage, or debugging performance bottlenecks in production Go code.

When the user wants to add recommendations, links, or content to Grokipedia. Also use when the user mentions "Grokipedia," "GEO wiki," "AI encyclopedia," "suggest Grokipedia article," "Grokipedia citation," "Grokipedia listing," "AI search citation," "GEO visibility," or "Grokipedia optimization." For multi-platform parasite SEO strategy, use parasite-seo. For broad AI search visibility, use generative-engine-optimization.

Run systematic growth experiments to increase acquisition, activation, retention, and revenue. Use when optimizing conversion funnels, running A/B tests, improving metrics, or when users mention growth, experimentation, optimization, or scaling user acquisition.

Self-maintaining docs system. Bootstraps, validates, and refines minimal codebase documentation. Use for creating, updating, or auditing project docs.

Security techniques and quality control for prompts and agents

Google Forms CLI operations via gws. Use when users need to get form metadata, retrieve form responses, create forms, or update forms. Triggers: google forms, form responses, survey, form data, create form, update form.

Google Groups CLI operations via gws. Use when users need to list groups or view group members. Triggers: groups, google groups, admin directory, group members.

Google Keep CLI operations via gws. Use when users need to list, view, or create Google Keep notes. Triggers: keep, google keep, notes, sticky notes.

Apply when implementing caching logic, CDN configuration, or performance optimization for a headless VTEX storefront. Covers which VTEX APIs can be cached (Intelligent Search, Catalog) versus which must never be cached (Checkout, Profile, OMS), stale-while-revalidate patterns, cache invalidation, and BFF-level caching. Use for any headless project that needs TTL rules and caching strategy guidance.

Teaches React Hooks for reusing stateful logic across components. Use when extracting shared behavior like form handling, subscriptions, or side effects into reusable custom hooks.

Write how-to guides and tutorials that naturally integrate affiliate product recommendations. Triggers on: "write a how-to guide", "tutorial for [task]", "step by step guide to [goal]", "how to [verb] with [product]", "write a tutorial blog post", "guide on how to [task]", "beginner guide to [topic]", "walkthrough for [product]", "write an educational article", "how do I [task] blog post", "write a tutorial that promotes [product]".

Protecting APIs with Duende IdentityServer: JWT bearer authentication, reference token introspection, scope-based authorization, DPoP/mTLS proof-of-possession validation, local API authentication, and multi-audience scenarios.

x402-gated agent inbox — send paid messages to any agent's inbox, read received messages, and check inbox status. Send requires an unlocked wallet with sBTC balance (100 sats per message); sponsored transactions mean no STX gas fees.

Retrieve real-time income statement data including Revenue, Net Income, and EPS Diluted for public companies. Use when analyzing absolute financial figures, historical earnings, or comparing company scale across fiscal periods.

Retrieve year-over-year growth in income statement items including Revenue, Gross Profit, Operating Income, Net Income, and EPS Diluted. Use when analyzing company financial growth trends, comparing fiscal year performance, or identifying profitability inflection points.

Business fundamentals for indie app developers — LLC/entity setup, taxes, Apple Small Business Program, revenue tracking, hiring contractors, and financial planning for sustainability. Use when user asks about business setup, tax implications, hiring, or financial planning for their app business.

Autonomous influence diagramming mapping relationships, influence flows, and power dynamics between stakeholders. Produces influence matrices, centrality analysis, coalition detection, and strategic recommendations with Mermaid diagrams and optional PNG export.

Validate and sanitize user input to prevent XSS, injection attacks, and ensure data quality. Use this skill when you need to validate forms, sanitize user input, prevent cross-site scripting, use Zod schemas, or handle any user-generated content. Triggers include "input validation", "validate input", "XSS", "cross-site scripting", "sanitize", "Zod", "injection prevention", "validateRequest", "safeTextSchema", "user input security".

Integration and E2E test design principles, ROI calculation, test skeleton specification, and review criteria. Use when designing integration tests, E2E tests, or reviewing test quality.

Generate interactive HTML reports with Plotly visualizations from data analysis results. Supports dashboards, charts, and professional styling.

Spin up a portless + tmux dev session for the Workflow SDK that gives each git worktree isolated `<branch>.<name>.localhost` URLs for the Next.js workbench and the observability UI, plus a Claude statusline that surfaces those URLs. Use only when the user asks for a "portless dev session", a "tmux dev layout for workflow", "worktree-isolated dev URLs", or wants to wire workflow dev URLs into the Claude statusline. Do not activate for the generic "start the dev server" / "run pnpm dev" task.

Workflow for analyzing GitHub issues, generating solution plans, and implementing chosen approaches. Use when working with GitHub issues, creating implementation plans, comparing solution options, editing plans, or implementing solutions.

Jobs To Be Done (JTBD) analysis using Christensen and Ulwick's Outcome-Driven Innovation. Use when: jobs to be done, JTBD, customer jobs, outcome driven innovation, ODI, forces of progress, job map, switch interview, hiring firing, outcome statements, why customers switch.

Configuration file parsing patterns for bash scripts (INI, key=value, JSON)

Migration guide from Jupiter Metis (v1) or Ultra to Swap API v2. Use when migrating existing Jupiter swap integrations, updating base URLs, or transitioning from quote+swap-instructions to the unified build endpoint.

Install Kata Containers on a local kind cluster via the kata-deploy DaemonSet, registering the kata-qemu RuntimeClass so agent-sandbox SandboxTemplates can request microVM isolation. Use when standing up a Linux dev loop for microVM-isolated pods, verifying nested-KVM prerequisites, or pairing kind with kubernetes-sigs/agent-sandbox for local hacking.