MUST use when opening the Windmill dev page / visual preview of a flow, script, or app. Triggers on words like preview, open, navigate to, visualize, see the flow/app/script, and after writing a flow/script/app for visual verification.

Test pricing strategies with synthetic data. Use when: simulating willingness to pay, price sensitivity, or optimal price points.

Quickly understand and load a codebase by examining repository structure, README, and AI documentation. Use when starting work on a new project, need to refresh context about how a project is organized, or want to get a quick overview of a codebase's architecture and purpose.

Apply when you catch yourself writing the same instruction a second time, or notice a recurring correction. Encode the rule as a lint, metadata flag, runtime check, or script instead of more text.

Apply after completing a task, before declaring done. Verify against the real artifact (run the feature, read the actual value, inspect the diff), not a proxy, self-report, or 'it compiles.'

Review PII handling, encryption, and GDPR/CCPA compliance in Rails applications.

Find Mozilla telemetry probes and Glean metrics. Use when user asks about: Firefox metrics, Glean probes, telemetry data, accessibility probes, search metrics, or any Mozilla product instrumentation.

Linux process management and control

Plan and execute e-commerce product launches. Pre-launch, launch day, and post-launch playbooks for Amazon, Shopify, and multi-channel sellers. Covers inventory, pricing, advertising, and review strategy.

Optimize e-commerce product pages for search engine visibility. On-page SEO, structured data, page speed, mobile optimization, and content strategy for Google, Bing, and platform-specific search.

Analyze product reviews across any e-commerce platform. Extract actionable insights from customer feedback including pain points, praise patterns, feature requests, and sentiment trends.

Optimize product titles for search visibility and click-through rate across e-commerce platforms. Platform-specific title rules for Amazon (200 chars), Etsy (140 chars), Walmart, Shopify SEO, and eBay.

Create animated product videos with reveals and animations. Use when creating product demos, promotional videos, or dynamic visual content.

Create training and nutrition programs. Activate when users want a workout routine, meal plan, or ask "what should I do?" for fitness goals.

Scans codebases to generate architecture documentation (ARCHITECTURE.md). Use when joining an existing project, understanding codebase structure, exploring project architecture, or preparing for agent-foreman init. Triggers on 'analyze project', 'understand codebase', 'explore architecture', 'scan project structure', 'survey project'.

Guide for creating and maintaining project documentation (README, guides, API specs). Emphasizes doc/code synchronization, consistency checks, and use of the docs-excellence-architect subagent.

# Project Guidelines Skill (Example)

# Project Guidelines Skill (Example)

# Project Guidelines Skill (Example)

Generates professional logos with programmatic transparency conversion. Works with pixel art, vector designs, and complex multi-colored styles. Use when asked to "generate a logo", "create logo", or "make a project logo".

Onboard new projects with standardized configuration and documentation

The standard for how a repo is laid out and how files/modules are named, so every project looks the same and generated code has an obvious right place. Use when creating a new file, module, or directory, deciding where something goes, naming a file/folder, scaffolding a new repo, or reviewing whether code is well-organized. Counters the AI-slop failure mode of sprawling, inconsistently-placed, god-everything files.

Advanced prompting techniques: chain-of-thought, few-shot, system prompts, structured output, and prompt optimization.

Analyze and improve existing prompts for better performance

Démarre un développement avec un starter léger puis active le mode plan

Vérifie la checklist avant exécution et liste les oublis

Prompt engineering standards and context engineering principles for AI agents based on Anthropic best practices. Covers clarity, structure, progressive discovery, and optimization for signal-to-noise ratio.

Propose additions to project CLAUDE.md based on session learnings

Avoid common mistakes and debug issues in PydanticAI agents. Use when encountering errors, unexpected behavior, or when reviewing agent implementations.

Python module for reading, manipulating and writing genomic alignment formats (SAM/BAM/CRAM) and variant files (VCF/BCF). Wrapper for htslib.

Python development with ruff, mypy, pytest - TDD and type safety

Python coding guidelines and best practices. Use when writing, reviewing, or refactoring Python code. Enforces PEP 8 style, syntax validation via py_compile, unit test execution, modern Python versions only (no EOL), uv for dependency management when available, and idiomatic Pythonic patterns.

Curated bundle of essential Python backend development skills. Includes FastAPI patterns, packaging, database migrations, CLI design, and Redis caching. Use when building Python API services or backend systems.

Python project architecture expert for scaffolding production-ready applications with modern tooling (uv, FastAPI, Django) and type hints. Use when creating new Python project structures.

Modern Python 3.12+ development with cutting-edge tools and practices. Use when writing production Python code, implementing async patterns, optimizing performance, or setting up modern Python tooling.

Review Python code with high quality bar for type hints, Pythonic patterns, and maintainability.

Python coding style enforcement (PEP standards, type hints, docstrings, modern patterns). Auto-loads when writing or reviewing Python code.

SO(3) rotation matrix utilities including Lie group/ Lie algebra operations, rotation representation conversions, skew-symmetric matrix operations, and rotation averaging. Use when working with 3D rotations, robot kinematics, computer vision, SLAM, or any task requiring SO(3) matrix validation and manipulation, quaternion/ axis-angle/ Euler angle conversions, Lie algebra Log/Exp mapping, skew-symmetric matrix operations, or rotation matrix averaging

3D visualization toolkit wrapping Pangolin viewer for real-time display of point clouds, trajectories, cameras, planes, chessboards, and images. Use when visualizing sensor data (IMU, SLAM, tracking), robot states, or any 3D data with camera poses and trajectories. Supports dual-image display, step mode for debugging, and main camera following.

Q-Value Augmented Vector Retrieval for learned memory ranking. Tracks which memories are most useful over time and prioritizes them in retrieval.

Qdrant provides client SDKs for various programming languages, allowing easy integration with Qdrant deployments.

Search markdown knowledge bases, notes, and documentation using QMD. Use when users ask to search notes, find documents, or look up information.

You must use this when designing qualitative studies, developing coding schemes, or performing thematic analysis.

Test coverage, code quality, defect metrics, and QA KPIs

You must use this when selecting statistical tests, interpreting effect sizes, or conducting power analysis.

R documentation patterns with roxygen2, pkgdown, vignettes, examples, and package site structure.

R package development with devtools, testthat, and roxygen2. Use when the user is working on an R package, running tests, writing documentation, or building package infrastructure.

Build Retrieval-Augmented Generation systems with vector databases

Security patterns for RAG and CAG systems with multi-tenant isolation. Use when building retrieval-augmented or cache-augmented generation systems that require tenant isolation, access control, and secure data handling.

Use when "RAG", "retrieval augmented generation", "LangChain", "LlamaIndex", "sentence transformers", "embeddings", "document QA", "chatbot with documents", "semantic search"

Designs retrieval-augmented generation pipelines for document-based AI assistants. Includes chunking strategies, metadata schemas, retrieval algorithms, reranking, and evaluation plans. Use when building "RAG systems", "document search", "semantic search", or "knowledge bases".

Rails caching strategies including fragment caching, low-level caching with Rails.cache, cache keys, and conditional GET. Use when the user asks about caching performance or invalidation in Rails.

Use proactively when encountering Rails errors, test failures, build issues, or unexpected behavior. Analyzes errors, reproduces issues, and identifies root causes.

This skill should be used only when the user explicitly asks to use `$ralph-specum-cancel`, or explicitly asks Ralph Specum in Codex to stop execution or remove a spec.

This skill should be used only when the user explicitly asks to use `$ralph-specum-feedback`, or explicitly asks Ralph Specum in Codex to draft or submit feedback.

This skill should be used only when the user explicitly asks to use `$ralph-specum-help`, or explicitly asks Ralph Specum in Codex for help or command guidance.

This skill should be used only when the user explicitly asks to use `$ralph-specum-index`, or explicitly asks Ralph Specum in Codex to generate or refresh index artifacts.

This skill should be used only when the user explicitly asks to use `$ralph-specum-status`, or explicitly asks Ralph Specum in Codex for status or active spec progress.

This skill should be used only when the user explicitly asks to use `$ralph-specum-switch`, or explicitly asks Ralph Specum in Codex to switch the active spec.

Record Brownian Ratchet gates.

Use when "building React artifacts", "creating HTML artifacts", "bundling React apps", "single HTML file", or asking about "artifact builder", "shadcn components", "Tailwind artifacts"

React Native renderer for json-render that turns JSON specs into native mobile UIs. Use when working with @json-render/react-native, building React Native UIs from JSON, creating mobile component catalogs, or rendering AI-generated specs on mobile.

React Native / Expo patterns for Frappe-backed mobile apps. Reference for Axios API calls, React Query v4, Redux Toolkit, React Navigation, expo-location, NetworkContext, transport journey lifecycle, attendance flow, and EAS builds.

React SPA patterns for Frappe-backed applications. Reference for TanStack Query, Axios, Jotai, shadcn/ui, Tailwind, Refine v4, Mantine v5, React Router, Vite config, and Frappe API integration in the Unity Parent App and Walsh Admin Portal.

How to use the Readwise CLI — access highlights, documents, and your entire reading library from the command line

Rebase local changes on top of remote branch updates

Use this skill when rebasing Git branches. Activate when the user mentions rebase, interactive rebase, squash commits, reorder commits, edit commit history, clean up commits before merge, rebase onto main, or fixing up commit history. Also use when rebase fails or causes conflicts.

Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation

Create work plan from design document and obtain plan approval

Codebase reconnaissance agent for Bug Hunter. Maps architecture, identifies trust boundaries, classifies files by risk priority, and detects service boundaries. Does NOT find bugs — finds where bugs hide.

Demo/recording mode that redacts personally identifiable and sensitive information from Claude Code's outputs. Use when the user invokes /recording or says they are about to record, screen-share, or demo their Claude Code session and want PII scrubbed in real time.

Recursive master-orchestration for complex multi-step tasks. Decompose work, delegate execution to sub-agents, and iterate until verified. Use when users request recursive reasoning, multi-pass refinement, or explicit plan-execute-verify loops.

Market and engage on Reddit authentically. Use when the user says "Reddit marketing", "Reddit strategy", "promote on Reddit", "Reddit post", "subreddit strategy", "Reddit outreach", "Reddit ads", or asks about marketing or building presence on Reddit.

Redis database management. Key-value operations, caching, pub/sub, and data structure commands.

Red team adversarial analysis to find weaknesses, vulnerabilities, and failure modes. Use before launches, for security review, or when a plan feels too perfect.

Aggressively refactor by tearing out all backward-compatibility and legacy layers. Use when modernizing APIs, demolishing migration debt, ripping out compat shims, killing feature flags, or rewriting a subsystem clean. Assume no callers deserve protection — break everything, rebuild it right.

Safely refactors dbt models with downstream impact analysis. Use when restructuring dbt models for: (1) Task mentions "refactor", "restructure", "extract", "split", "break into", or "reorganize" (2) Extracting CTEs to intermediate models or creating macros (3) Modifying model logic that has downstream consumers (4) Renaming columns, changing types, or reorganizing model dependencies Analyzes all downstream dependencies BEFORE making changes.

Final arbiter for Bug Hunter. Receives Hunter findings and Skeptic challenges, independently re-reads code, and delivers authoritative verdicts with CVSS scoring and proof-of-concept generation for security findings.

Use when the workflow works but needs polish, or as the final step in a diagnose → fix → refine cycle before shipping.

Analyze development sessions, capture learnings, and improve Claude Code instructions. Use when the user wants to reflect on a session, improve CLAUDE.md, extract learnings, or optimize AI-human collaboration. Supports two modes: quick (default) focuses on CLAUDE.md improvements, deep mode performs comprehensive session analysis with learning capture.

Search the registry for prepared Zener modules, reference designs, and component symbols while designing a board, subsystem, or spec. Use for board-facing part/module selection with `pcb search -m registry:modules` and `pcb search -m registry:components`, API inspection, sourcing comparison, and deciding what to instantiate. If no suitable registry package exists, prepare a librarian request instead of importing or authoring components inline.

This skill should be used when the user asks to "migrate rego", "rego v1", "v0 to v1", "upgrade rego", "opa fmt --rego-v1", "rego breaking changes", "rego compatibility", mentions Rego version migration, or encounters v0 syntax errors in OPA 1.0+. Provides Rego v0 to v1 migration patterns and tooling.

Generate audience-targeted release announcements. Specify the audience (customers, internal team, investors, social media) and optionally a version or scope. Use after shipping to announce what was built.

Generate comprehensive release notes and changelogs. Compiles version history, feature descriptions, and breaking changes from commit information.

Implements reliability patterns including circuit breakers, retries, fallbacks, bulkheads, and SLO definitions. Provides failure mode analysis and incident response plans. Use for "SRE", "reliability", "resilience", or "failure handling".

Renames an album or track, updating slugs, titles, and all mirrored paths. Use when the user wants to rename an album or track.

Reporting pipelines for CSV/JSON/Markdown exports with timestamped outputs, summaries, and post-processing.

Use when completing tasks, implementing major features, or before merging to verify work meets requirements

Use when completing tasks, implementing major features, or before merging to verify work meets requirements

Use when completing tasks, implementing major features, or before merging to verify work meets requirements

Use when completing tasks, implementing major features, or before merging to verify work meets requirements - dispatches superpowers:code-reviewer subagent to review implementation against plan or requirements before proceeding

Use when completing tasks, implementing major features, or before merging to verify work meets requirements - dispatches superpowers:code-reviewer subagent to review implementation against plan or requirements before proceeding

# Requirements Gathering Skill

Generate structured requirements from natural language. No API key required - uses Claude Code OAuth.

Use when current web info needed, verifying APIs still work, checking latest versions, or avoiding outdated implementations

Document codebase as-is with thoughts directory for historical context