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Found 3,488 Skills
Design distributed systems using Leslie Lamport's rigorous approach. Emphasizes formal reasoning, logical time, consensus protocols, and state machine replication. Use when building systems where correctness under concurrency and partial failure is critical.
Instrument Python LLM apps, build golden datasets, write eval-based tests, run them, and root-cause failures — covering the full eval-driven development cycle. Make sure to use this skill whenever a user is developing, testing, QA-ing, evaluating, or benchmarking a Python project that calls an LLM, even if they don't say "evals" explicitly. Use for making sure an AI app works correctly, catching regressions after prompt changes, debugging why an agent started behaving differently, or validating output quality before shipping.
Run DuckDuckGo web searches from the terminal using `ddgr` with JSON output. Use when the task calls for lightweight web search, quick result triage, or filtering by region/time/site.
Use this skill when optimizing for AI-powered search engines and generative search results - Google AI Overviews, ChatGPT Search (SearchGPT), Perplexity, Microsoft Copilot Search, and other LLM-powered answer engines. Covers Generative Engine Optimization (GEO), citation signals for AI search, entity authority, LLMs.txt specification, and LLM-friendliness patterns based on Princeton GEO research. Triggers on visibility in AI search, getting cited by LLMs, or adapting SEO for the AI search era.
Use this skill when performing a comprehensive SEO audit - technical audit, on-page audit, content audit, off-page audit, and AEO/GEO readiness assessment. Provides a structured scorecard with 30-40 checks rated PASS/FAIL/WARN across all SEO categories, prioritized recommendations, and links to specialized skills for deep fixes. This is the master audit skill that orchestrates all other SEO skills.
Use this skill when working on technical SEO infrastructure - crawlability, indexing, XML sitemaps, canonical URLs, robots.txt, redirect chains, rendering strategies (SSR/SSG/ISR/CSR), crawl budget optimization, and search engine rendering. Triggers on fixing indexing issues, configuring crawl directives, choosing rendering strategies for SEO, debugging Google Search Console errors, or auditing site architecture for search engines.
Use this skill when optimizing content for answer engines and SERP features - featured snippets (paragraph, list, table), People Also Ask (PAA) targeting, voice search optimization, knowledge panels, speakable schema, and zero-click search strategies. Triggers on winning position zero, optimizing for Google's answer boxes, voice assistant responses, or FAQ-style content optimization.
Use this skill when optimizing e-commerce sites for search engines - product page SEO, faceted navigation crawl control, category taxonomy, product schema markup, pagination handling, inventory-aware SEO (out-of-stock pages), and e-commerce site architecture. Triggers on any task involving online store search optimization, product listing pages, shopping search results, or e-commerce technical SEO challenges.
Use this skill when designing SDKs, writing onboarding flows, creating changelogs, or authoring migration guides. Triggers on developer experience (DX), API ergonomics, SDK design, getting-started guides, quickstart documentation, breaking change communication, version migration, upgrade paths, developer portals, and developer advocacy. Covers the full DX lifecycle from first impression to long-term retention.
Use this skill when planning go-to-market strategy, running beta programs, creating launch checklists, or managing rollout strategy. Triggers on product launch, go-to-market, GTM strategy, beta programs, launch checklist, rollout strategy, launch tiers, and any task requiring product release planning or execution.
Validates optimization plan via parallel multi-agent review (Codex + Gemini) before execution. GO/NO-GO verdict.
Configure OAuth providers (Google, Apple, Microsoft, Facebook, GitHub, etc.) to work with portless local dev URLs. Use when setting up OAuth redirect URIs, fixing "redirect_uri_mismatch" or "invalid redirect" errors, configuring sign-in providers for local development, or when a provider rejects .localhost subdomains. Triggers include "OAuth not working with portless", "redirect URI mismatch", "Google/Apple/Microsoft sign-in fails locally", "configure OAuth for local dev", or any task involving OAuth callback URLs with portless domains.