Coding & Development
flutter/flutter-app-size
Measure and reduce the size of the Flutter app bundle, APK, or IPA
$ npx skills add flutter/skillsmachina-sports/football-data
Football (soccer) data across 13 leagues — standings, schedules, match stats, xG, transfers, player profiles. Zero config, no API keys. Covers Premier League, La Liga, Bundesliga, Serie A, Ligue 1, MLS, Champions League, World Cup, Championship, Eredivisie, Primeira Liga, Serie A Brazil, European Championship. Use when: user asks about football/soccer standings, fixtures, match stats, xG, lineups, player values, transfers, injury news, league tables, daily fixtures, or player profiles. Don't use when: user asks about American football/NFL (use nfl-data), college football (use cfb-data), NBA (use nba-data), WNBA (use wnba-data), college basketball (use cbb-data), NHL (use nhl-data), MLB (use mlb-data), tennis (use tennis-data), golf (use golf-data), cricket (use cricket-data), Formula 1 (use fastf1), or betting odds (use polymarket or kalshi). Don't use for live/real-time scores — data updates post-match. Don't use get_season_leaders or get_missing_players for non-Premier League leagues (they return empty). Do
$ npx skills add machina-sports/sports-skillsgithub/roundup
Generate personalized status briefings on demand. Pulls from your configured data sources (GitHub, email, Teams, Slack, and more), synthesizes across them, and drafts updates in your own communication style for any audience you define.
$ npx skills add github/awesome-copilotgiuseppe-trisciuoglio/typescript-security-review
Provides security review capability for TypeScript/Node.js applications, validates code against XSS, injection, CSRF, JWT/OAuth2 flaws, dependency CVEs, and secrets exposure. Use when performing security audits, before deployment, reviewing authentication/authorization implementations, or ensuring OWASP compliance for Express, NestJS, and Next.js. Triggers on "security review", "check for security issues", "TypeScript security audit".
$ npx skills add giuseppe-trisciuoglio/developer-kitphuryn/market-sizing
Estimate market size using TAM, SAM, and SOM with top-down and bottom-up approaches. Use when sizing a market opportunity, estimating addressable market, preparing for investor pitches, or evaluating market entry.
$ npx skills add phuryn/pm-skillsyaklang/api-authorization-and-bola
API authorization and BOLA testing playbook. Use when APIs expose object identifiers, nested resources, hidden writable fields, or weak function-level authorization.
$ npx skills add yaklang/hack-skillsgoogle-gemini/docs-changelog
Generates and formats changelog files for a new release based on provided version and raw changelog data.
$ npx skills add google-gemini/gemini-cliyaklang/401-403-bypass-techniques
401/403 bypass playbook. Use when encountering access-denied responses on admin panels, API endpoints, or restricted paths. Covers path manipulation, HTTP method tampering, header injection, protocol downgrade, and automated bypass tools.
$ npx skills add yaklang/hack-skillssickn33/systematic-debugging
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
$ npx skills add sickn33/antigravity-awesome-skillsfranalgaba/grimoire-morpho-blue
Fetches Morpho Blue public deployment metadata using the Grimoire venue CLI. Use when you need contract addresses or adapter info.
$ npx skills add franalgaba/grimoireyaklang/recon-and-methodology
Reconnaissance and methodology playbook. Use when mapping assets, discovering endpoints, fingerprinting technology, and building a structured testing plan for a new target.
$ npx skills add yaklang/hack-skillsgithub/email-drafter
Draft and review professional emails that match your personal writing style. Analyzes your sent emails for tone, greeting, structure, and sign-off patterns via WorkIQ, then generates context-aware drafts for any recipient. USE FOR: draft email, write email, compose email, reply email, follow-up email, analyze email tone, email style.
$ npx skills add github/awesome-copilotgithub/daily-prep
Prepare for tomorrow's meetings and tasks. Pulls calendar from Outlook via WorkIQ, cross-references open tasks and workspace context, classifies meetings, detects conflicts and day-fit issues, finds learning and deep-work slots, and generates a structured HTML prep file with productivity recommendations.
$ npx skills add github/awesome-copilotgetsentry/sentry-ruby-sdk
Full Sentry SDK setup for Ruby. Use when asked to add Sentry to Ruby, install sentry-ruby, setup Sentry in Rails/Sinatra/Rack, or configure error monitoring, tracing, logging, metrics, profiling, or crons for Ruby applications. Also handles migration from AppSignal, Honeybadger, Bugsnag, Rollbar, or Airbrake. Supports Rails, Sinatra, Rack, Sidekiq, and Resque.
$ npx skills add getsentry/sentry-for-aiphuryn/lean-canvas
Generate a Lean Canvas with problem, solution, metrics, cost structure, UVP, unfair advantage, channels, segments, and revenue. Use when exploring a lean startup canvas, testing a business hypothesis, or modeling a new venture.
$ npx skills add phuryn/pm-skillsforcedotcom/generating-custom-field
Use this skill when users need to create, generate, or validate Salesforce Custom Field metadata. Trigger when users mention custom fields, field types, Roll-up Summary fields, Master-Detail relationships, Lookup relationships, formula fields, picklists, or field metadata. Also use when users encounter field deployment errors, especially around Roll-up Summary format, Master-Detail constraints, or formula issues. Always use this skill for any custom field metadata work, field generation, or field troubleshooting.
$ npx skills add forcedotcom/sf-skillsgetsentry/django-perf-review
Django performance code review. Use when asked to "review Django performance", "find N+1 queries", "optimize Django", "check queryset performance", "database performance", "Django ORM issues", or audit Django code for performance problems.
$ npx skills add getsentry/skillsfranalgaba/grimoire-aave
Fetches Aave V3 public market data using the Grimoire venue CLI. Use when you need Aave health checks, chain listings, market metadata, or reserve info.
$ npx skills add franalgaba/grimoirepproenca/vitest
Vitest testing framework patterns for test setup, async testing, mocking with vi.*, snapshots, and test performance (formerly test-vitest). This skill should be used when writing or debugging Vitest tests. This skill does NOT cover TDD methodology (use test-tdd skill), API mocking with MSW (use test-msw skill), or Jest-specific APIs.
$ npx skills add pproenca/dot-skillsbinance/vip-loan
Binance Vip-loan request using the Binance API. Authentication requires API key and secret key.
$ npx skills add binance/binance-skills-hubelevenlabs/voice-isolator
Remove background noise and isolate vocals/speech from audio using ElevenLabs Voice Isolator (audio isolation) API. Use when cleaning up noisy recordings, removing music or background ambience from dialogue, isolating speech from field recordings, preparing audio for transcription, extracting vocals, or any "denoise / clean up / isolate voice" task.
$ npx skills add elevenlabs/skillsfranalgaba/grimoire-uniswap
Retrieves Uniswap router metadata using the Grimoire venue CLI. Use when you need router addresses, adapter information, or Uniswap V3/V4 details.
$ npx skills add franalgaba/grimoireeronred/rating-prompt-strategy
When the user wants to improve their app's star rating, increase ratings volume, optimize when and how they prompt users for a review, or recover from a bad rating period. Use when the user mentions "app rating", "star rating", "review prompt", "SKStoreReviewRequest", "In-App Review API", "ask for review", "low rating", "rating drop", "get more reviews", or "recover from 1-star". For responding to reviews, see review-management. For overall ASO health, see aso-audit.
$ npx skills add eronred/aso-skillsyaklang/oauth-oidc-misconfiguration
OAuth and OIDC misconfiguration testing playbook. Use when reviewing redirect URI handling, state and nonce validation, PKCE, token audience, callback binding, and identity-provider trust flaws.
$ npx skills add yaklang/hack-skills