Validate app/startup ideas with market, feasibility, commercial, and open-source competitor analysis. Use when asked to evaluate, validate, or score a product idea. Don't use for PRDs, go-to-market plans, or investor decks.

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help write all kinds of internal communications, using company-specific formats. Use when asked to write internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

Systematic debugging with root cause investigation. (gstack)

Jobs to Be Done analysis to understand what customers really want. Use for product discovery, competitive analysis, or understanding why customers hire/fire solutions.

Manage project learnings.

Teaches any topic through Socratic questioning — assessing what the user knows, exposing gaps, building understanding progressively, and correcting misconceptions directly. Saves the session as a TIL note when done. Make sure to use this skill whenever the user says "teach me", "I want to learn", "explain X to me", "walk me through", "help me understand", or invokes /learn or /learn done — even if they just say "I don't get X."

LibAFL is a modular fuzzing library for building custom fuzzers. Use for advanced fuzzing needs, custom mutators, or non-standard fuzzing targets.

Expert guidance on choosing the right Mapbox search tool and parameters for geocoding, POI search, and location discovery

Screen equities, ETFs, and bonds using fundamental, technical, and quantitative criteria with multi-factor ranking and sector filtering.

Launch tokens on Meteora dynamic bonding curves

Provides guidance for enterprise-grade RL training using miles, a production-ready fork of slime. Use when training large MoE models with FP8/INT4, needing train-inference alignment, or requiring speculative RL for maximum throughput.

Provides guidance for enterprise-grade RL training using miles, a production-ready fork of slime. Use when training large MoE models with FP8/INT4, needing train-inference alignment, or requiring speculative RL for maximum throughput.

Build end-to-end MLOps pipelines from data preparation through model training, validation, and production deployment. Use when creating ML pipelines, implementing MLOps practices, or automating mod...

Apply Model-First Reasoning (MFR) to code generation tasks. Use when the user requests "model-first", "MFR", "formal modeling before coding", "model then implement", or when tasks involve complex logic, state machines, constraint systems, or any implementation requiring formal correctness guarantees. Enforces strict separation between modeling and implementation phases.

Validate and use packed sequences and long-context training in Megatron-Bridge, distinguishing offline packed SFT for LLMs from in-batch packing for VLMs, and applying the right CP constraints.

Search and filter Observability logs using ES|QL. Use when investigating log spikes, errors, or anomalies; getting volume and trends; or drilling into services or containers during incidents.

On-demand thinking partner for navigating tricky human dynamics at work. Activate when the user says things like "office politics coach", "help me navigate this situation", "I need a thinking partner for non-technical things", or "I'm dealing with a difficult situation at work".

Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.

GPU-based particle systems using instanced rendering, buffer attributes, Points geometry, and custom shaders. Use when rendering thousands to millions of particles efficiently, creating particle effects like snow, rain, stars, or abstract visualizations.

Profiling, optimization techniques, and performance best practices

Analyze pipeline health, identify stalled deals, predict close probability, and suggest actions to move deals forward. Improves forecast accuracy and prevents revenue leakage. Use when deals get stuck or forecast accuracy is poor.

Build internal developer platforms (IDPs) with self-service infrastructure, golden paths, and developer portals using Backstage, Crossplane, and score.

Healthcare program modeling in PolicyEngine-US — Medicaid, ACA marketplace, CHIP, and Medicare. Covers encoding rules, running analyses, and navigating the unique complexity of US healthcare programs. Triggers: "healthcare", "health insurance", "Medicaid", "ACA", "CHIP", "Medicare", "marketplace", "premium tax credit", "APTC", "PTC", "SLCSP", "benchmark plan", "rating area", "age curve", "family tier", "coverage gap", "Medicaid expansion", "MAGI", "medicaid_magi", "aca_magi", "medicaid_income_level", "medicaid_category", "enrollment", "takeup", "take-up", "per capita", "CSR", "cost sharing", "insurance premium", "second lowest silver", "required contribution percentage", "42 CFR", "IRC 36B", "categorical eligibility", "expansion adult", "healthcare reform", "healthcare analysis", "health policy".

Modern portfolio theory optimization including Markowitz mean-variance, Black-Litterman, risk parity, and efficient frontier construction with constraints.

PostGIS changes since training cutoff (latest: 3.6.1) — SFCGAL CG_* rename, ST_CoverageClean, ST_AsRasterAgg, topology bigint IDs, viewport simplification, 3D SFCGAL ops. Load before working with PostGIS.

A strategic guide for managing complex creative portfolios as a system of "organs" (Art, Commerce, Tools), diagnosing lifecycle stages (Nigredo, Albedo, Rubedo), and balancing the "Four Fields" of creative labor.

Product Owner / Project Manager skill for MVP/MMP/MMR implementation planning

Use when comparing a project vision to code reality and turning gaps into tracked work. Triggers:

# Project Structure Standardization

Python changes since training cutoff (latest: 3.14) — t-strings, deferred annotations, free-threaded CPython, subinterpreters, zstd compression, dead battery removals. Load before working with Python.

Resolve vague recall into recognized context through AI-guided contextual scan and user-validated recognition.

Create notarized macOS app releases with Sparkle auto-updates, DMG installers, and GitHub releases. Use when releasing macOS apps, creating DMG files, notarizing apps, or setting up Sparkle updates. Handles version updates, code signing, notarization, and distribution.

Generate user demand research reports from real user feedback. Scrape and analyze feature requests, complaints, and questions from Reddit, X, GitHub, YouTube, LinkedIn, and Amazon. Use when user wants to do demand research, find feature requests, analyze user demand, or run RequestHunt queries.

Weekly engineering retrospective. (gstack)

SaaS architecture, multi-tenancy, and subscription management

Pull data from a web page. (gstack)

Import cookies from your real Chromium browser into the headless browse session. (gstack)

Use when users say "[trigger phrase 1]", "[trigger phrase 2]", or when [specific scenario]. [WHAT this skill does]. [Additional trigger keywords for searchability].

Turn vague intent into a precise, executable spec in five phases. (gstack)

Use when implementing in-app purchases, StoreKit 2 subscriptions, consumables, non-consumables, or transaction handling. Covers testing-first workflow with .storekit configuration, StoreManager architecture, and transaction verification.

Build multi-phase AI development pipelines with the Smithers workflow engine (v0.8.2). Use when: (1) Setting up a SuperRalph workflow for a repo (focuses, focusDirs, focusTestSuites, agents) (2) Debugging a run (ticket explosion, duplicate tickets, stalled nodes) (3) Understanding the pipeline phases and what generates tickets (4) Avoiding common configuration mistakes that cause runaway ticket counts

Swift changes since training cutoff (5.10–6.3) — approachable concurrency, InlineArray, @c interop, module selectors, Swift Testing updates. Load before working with Swift.

Sync eve-skillpacks with latest eve-horizon changes. Goes deep into plans, code, and commits to understand what shipped — then cascades to skills and reference docs.

Create, plan, and implement urgent work through a streamlined path that preserves quality gates while removing sprint planning ceremony. For production bugs, critical fixes, and emergency work that cannot wait for the next sprint planning session.

Create, plan, and implement urgent work through a streamlined path that preserves quality gates while removing sprint planning ceremony. For production bugs, critical fixes, and emergency work that cannot wait for the next sprint planning session.

Good-faith adversarial scrutiny of an idea or plan. Spawns critical skeptics across relevant lenses, pairs them with an advocate defending the idea, and synthesizes the exchange into a report. Produces feedback only — no code, no tickets, no artifacts.

Enzyme kinetics — Michaelis-Menten Km, Vmax, kcat (turnover), and kcat/Km (catalytic efficiency / specificity constant) from substrate-velocity data, plus inhibition-mechanism analysis (competitive / uncompetitive / non-competitive, Ki). Fits the MM equation by nonlinear regression (and reports Lineweaver-Burk for reference). Use when you have substrate concentrations and initial reaction velocities and need kinetic parameters or to classify an inhibitor. NOT for BRENDA database lookups of published constants (use the BRENDA tools).

Mass-spec proteomics analysis — protein identification, quantification (LFQ, TMT, iTRAQ), differential expression (tumor vs normal, treatment vs control), PTM identification, and pathway enrichment on protein lists. Use when you have proteomics MS output, asking about protein abundance differences, or doing systems-level proteomic interpretation.

Trade perpetual futures on Binance, Bybit, Hyperliquid, MEXC with up to 200x leverage

Kalshi trading - search markets, place orders, stream prices, advanced order types

Esta skill debe usarse cuando el usuario pide "migra este proyecto a TypeScript", "convierte de JS a TS", "agrega TypeScript a este proyecto", "migrate to TypeScript", "add types to this codebase", "quiero tipado estatico en este proyecto", o menciona querer convertir un proyecto JavaScript existente a TypeScript de forma incremental. Ejecuta un pipeline autonomo de 5 fases (auditar proyecto, instalar tooling y renombrar archivos, extraer tipos compartidos, tipar chunks en paralelo, consolidar con strict progresivo y gate de build final) aislado en un worktree dedicado. No la uses para proyectos nuevos iniciados directamente en TypeScript ni para agregar tipos a un solo archivo.

Implement on-chain encryption using vetKeys (verifiable encrypted threshold key derivation). Covers key derivation, IBE encryption/decryption, transport keys, and access control. Use when adding encryption, decryption, on-chain privacy, vetKeys, or identity-based encryption to a canister. Do NOT use for authentication — use internet-identity instead.

# Volatility-Based Decomposition (IDesign)

Generate comprehensive codebase documentation for a repository. Uploads the wiki to view in the Factory app.

Fetch Xiaohongshu (RedNote / xhs) user profile information and their published notes list by user ID, returning nickname, bio, follower/following counts, engagement totals, tags, and paginated notes with engagement stats. Use when user mentions user profile xiaohongshu, rednote creator profile, xhs influencer data, scrape xiaohongshu user, get blogger notes, xiaohongshu author info, KOL discovery xiaohongshu, rednote user stats, creator profile rednote, xiaohongshu blogger analysis, get xhs user followers, rednote influencer profile, xiaohongshu account info, xhs creator data, user notes list xiaohongshu, rednote account scrape, xiaohongshu KOL research.

Read and manage Zergboard cards, boards, and workspaces. Use when the user asks to check Zergboard, view cards, find tasks, check sprint/cycle status, manage work items, invite guests, or interact with their Zergboard boards from the CLI.

Comprehensive analysis of Swift 6 ownership, concurrency safety, and systems programming foundations.

Deep dive into Swift's async/await runtime, Sendable enforcement, actors, and migration strategies.

Use when diagnosing openai_harmony.HarmonyError or gpt-oss tool calling issues with vLLM. Identifies error sources (vLLM server vs client), maps specific error messages to known GitHub issues, and provides configuration fixes for tool calling problems with gpt-oss models.

Analyze technical documents for CS/ML concepts a smart non-CS reader wouldn't understand, recommend explanation mechanisms (glossary, inline, footnote, sidebar, appendix), present analysis for approval, then implement annotations in the Word document using the project directory for contextual accuracy. Use when making technical documents accessible to non-CS audiences.

Comprehensive A3 one-page problem analysis with root cause and action plan

Use when building Android apps (Gradle CLI) or ROMs (AOSP, LineageOS). Triggers on "gradle build", "assemble", "AOSP", "LineageOS", "lunch", "mka", "breakfast", "brunch", "compile android", "device tree", "kernel build".

Android/Kotlin development: Jetpack Compose, Room database, Gradle builds, emulator management, and Play Store submission.

Create user-facing App Store release notes by collecting and summarizing all user-impacting changes since the last git tag (or a specified ref). Use when asked to generate a comprehensive release changelog, App Store "What's New" text, or release notes based on git history or tags.

Search arXiv papers by keyword, author, category, or ID.

Code search, analysis, and refactoring using ast-grep (sg). Use for AST-based code modifications, structural search, and linting.

Remove backgrounds from images using AI. Triggers include: "remove background", "transparent background", "cut out", "isolate subject", "remove bg", "make transparent", "extract subject", "background removal" Creates PNG or WebP images with transparent backgrounds.

Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, or extract information from web pages.

App build, code signing, TestFlight, and App Store distribution for all Apple platforms. Use when preparing releases, configuring signing, uploading to TestFlight, or submitting to App Store.

Caddy changes since training cutoff (latest: 2.11.2) — ECH, wildcard certs by default, file placeholders, log sampling, request_body set, SIGUSR1 reload, post-quantum TLS. Load before working with Caddy.

Check if the compound-engineering plugin is up to date and recommend the update command if not. Use when the user says "update compound engineering", "check compound engineering version", "ce update", "is compound engineering up to date", "update ce plugin", or reports issues that might stem from a stale compound-engineering plugin version. This skill only works in Claude Code — it relies on the plugin harness cache layout.

Produces a compact KPI digest showing how key metrics changed over a period and what's driving the movement. Use this skill when someone asks for a performance summary, a weekly recap, a morning briefing, a KPI update, or any variation of "how did we do this week/month." Also trigger for requests like "give me a performance overview," "what moved in the last 7 days," "pull our KPI report," or "summarize our metrics."

Use when finding and fixing deadlocks with lock ordering, reproduction, timeouts, or lock-free alternatives. Triggers:

Create and configure git hooks with intelligent project analysis, suggestions, and automated testing

Quality dimensions, scorecards, distribution monitoring, and freshness checks. Use for data validation pipelines and quality gates.

PostgreSQL and SQLite database administration for Rails apps. Use when the user asks about backups, monitoring, connection pooling, vacuum/analyze, emergency procedures, restore testing, or production database health checks.

Comprehensive guidance for training models in DataRobot, including project creation, AutoML configuration, feature engineering, and model selection. Use when training models, creating AutoML projects, or selecting models in DataRobot.

Socratic deep interview with mathematical ambiguity gating before explicit execution approval

Cross-chain DEX market intelligence - trending tokens, gainers, losers, volume, stats across all chains and protocols

Creates a structured competitive analysis comparing features, positioning, and strategy across competitors. Use when entering a market, planning differentiation, or understanding the competitive landscape.

Create numbered RFC (Request For Comments) documents for proposing and discussing changes. This skill should be used when users want to write a proposal, create an RFC, or formally document a proposed change.