Topic: codex
8,457 skills in this topic.
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backend-engineering
Use this skill when designing backend systems, databases, APIs, or services. Triggers on schema design, database migrations, indexing strategies, distributed systems architecture, microservices, caching, message queues, observability setup, logging, metrics, tracing, SLO/SLI definition, performance optimization, query tuning, security hardening, authentication, authorization, API design (REST, GraphQL, gRPC), rate limiting, pagination, and failure handling patterns. Acts as a senior backend engineering advisor for mid-level engineers leveling up.
AbsolutelySkilled/AbsolutelySkilled 116
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game-balancing
Use this skill when working with game balancing - economy design, difficulty curves, progression systems, reward schedules, playtesting analysis, or tuning game parameters. Triggers on any game design task involving resource sinks and faucets, XP curves, loot tables, difficulty scaling, player retention mechanics, or interpreting playtest data to adjust game feel.
AbsolutelySkilled/AbsolutelySkilled 116
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appsec-owasp
Use this skill when securing web applications, preventing OWASP Top 10 vulnerabilities, implementing input validation, or designing authentication. Triggers on XSS, SQL injection, CSRF, SSRF, broken authentication, security headers, input validation, output encoding, OWASP, and any task requiring application security hardening.
AbsolutelySkilled/AbsolutelySkilled 116
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api-testing
Use this skill when testing REST or GraphQL APIs, implementing contract tests, setting up mock servers, or validating API behavior. Triggers on API testing, Postman, contract testing, Pact, mock servers, MSW, HTTP assertions, response validation, and any task requiring API test automation.
AbsolutelySkilled/AbsolutelySkilled 116
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frontend-developer
Senior frontend engineering expertise for building high-quality web interfaces. Use this skill when writing, reviewing, or optimizing frontend code - HTML, CSS, JavaScript, TypeScript, components, layouts, forms, or interactive UI. Triggers on web performance optimization (Core Web Vitals, bundle size, lazy loading), accessibility audits (WCAG, ARIA, keyboard navigation, screen readers), code quality reviews, component architecture decisions, testing strategy, and modern CSS patterns. Covers the full frontend spectrum from semantic markup to production performance.
AbsolutelySkilled/AbsolutelySkilled 116
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api-monetization
Use this skill when designing or implementing API monetization strategies - usage-based pricing, rate limiting, developer tier management, Stripe metering integration, or API billing systems. Triggers on tasks involving API pricing models, metered billing, per-request charging, quota enforcement, developer portal tiers, overage handling, and Stripe usage records.
AbsolutelySkilled/AbsolutelySkilled 116
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interview-design
Use this skill when designing structured interviews, creating rubrics, building coding challenges, or assessing culture fit. Triggers on interview design, rubrics, scoring criteria, coding challenges, behavioral interviews, system design interviews, culture fit assessment, and any task requiring interview process design or evaluation criteria.
AbsolutelySkilled/AbsolutelySkilled 116
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product-analytics
Use this skill when analyzing product funnels, running cohort analysis, measuring feature adoption, or defining product metrics. Triggers on product analytics, funnel analysis, cohort analysis, feature adoption, north star metric, AARRR, retention curves, and any task requiring product data analysis or metrics design.
AbsolutelySkilled/AbsolutelySkilled 116
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compensation-strategy
Use this skill when benchmarking compensation, designing equity plans, building leveling frameworks, or structuring total rewards. Triggers on compensation benchmarking, equity grants, stock options, leveling, pay bands, total rewards, salary ranges, and any task requiring compensation strategy or structure design.
AbsolutelySkilled/AbsolutelySkilled 116
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address-pr-comments
Use this skill when addressing, responding to, or resolving PR review comments on GitHub pull requests. Triggers on "address PR comments", "respond to review", "handle review feedback", "reply to PR comments", "fix review comments", or when the user wants to process open review threads on their PR. Uses the gh CLI to fetch unresolved comments, make code changes where agreed, and post batch replies with a humble, thankful tone.
AbsolutelySkilled/AbsolutelySkilled 116
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remotion-video
Use this skill when creating programmatic videos with Remotion, building React-based video compositions, implementing animations (text, element, scene transitions), rendering videos to MP4/WebM, or setting up standalone Remotion projects. Triggers on video creation, Remotion compositions, useCurrentFrame, interpolate, spring animations, and video rendering.
AbsolutelySkilled/AbsolutelySkilled 116
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account-management
Use this skill when managing key accounts, planning expansions, running QBRs, or mapping stakeholders. Triggers on account management, expansion playbooks, QBR preparation, stakeholder mapping, renewal strategy, upsell, cross-sell, and any task requiring strategic account planning or relationship management.
AbsolutelySkilled/AbsolutelySkilled 116
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codedocs
Use this skill when generating AI-agent-friendly documentation for a git repo or directory, answering questions about a codebase from existing docs, or incrementally updating documentation after code changes. Triggers on codedocs:generate, codedocs:ask, codedocs:update, "document this codebase", "generate docs for this repo", "what does this project do", "update the docs after my changes", or any task requiring structured codebase documentation that serves AI agents, developers, and new team members.
AbsolutelySkilled/AbsolutelySkilled 116
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accessibility-wcag
Use this skill when implementing web accessibility, adding ARIA attributes, ensuring keyboard navigation, or auditing WCAG compliance. Triggers on accessibility, a11y, ARIA roles, screen readers, keyboard navigation, focus management, color contrast, alt text, semantic HTML, and any task requiring WCAG 2.2 compliance or inclusive design.
AbsolutelySkilled/AbsolutelySkilled 116
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email-marketing
Use this skill when designing email campaigns, building drip sequences, improving deliverability, or A/B testing email content. Triggers on email campaigns, drip sequences, newsletter, email deliverability, subject lines, email automation, segmentation, open rates, click-through rates, and any task requiring email marketing strategy or execution.
AbsolutelySkilled/AbsolutelySkilled 116
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code-review-mastery
Use this skill when the user asks to review their local git changes, staged or unstaged diffs, or wants a code review before committing. Triggers on "review my changes", "review staged", "review my diff", "check my code", "code review local changes", "review unstaged", "review before commit".
AbsolutelySkilled/AbsolutelySkilled 116
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llm-app-development
Use this skill when building production LLM applications, implementing guardrails, evaluating model outputs, or deciding between prompting and fine-tuning. Triggers on LLM app architecture, AI guardrails, output evaluation, model selection, embedding pipelines, vector databases, fine-tuning, function calling, tool use, and any task requiring production AI application design.
AbsolutelySkilled/AbsolutelySkilled 116
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email-deliverability
Use this skill when optimizing email deliverability, sender reputation, or authentication. Triggers on SPF record setup, DKIM signing configuration, DMARC policy deployment, IP warm-up planning, bounce handling strategy, sender reputation monitoring, inbox placement troubleshooting, email infrastructure hardening, DNS TXT record configuration for email, and diagnosing why emails land in spam. Acts as a senior email infrastructure advisor for engineers and marketers managing transactional or marketing email.
AbsolutelySkilled/AbsolutelySkilled 116
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vite-plus
Use this skill when working with Vite+, vp CLI, or the VoidZero unified toolchain. Triggers on project scaffolding with vp create, migrating existing Vite projects with vp migrate, running dev/build/test/lint/fmt commands, configuring vite.config.ts with lint/fmt/test/run/pack/staged blocks, managing Node.js versions with vp env, monorepo task execution with vp run, and library packaging with vp pack. Also triggers on references to Oxlint, Oxfmt, Rolldown, tsdown, Vitest, or Vite Task in a Vite+ context.
AbsolutelySkilled/AbsolutelySkilled 116
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unity-development
Use this skill when working with Unity game engine - C# scripting, Entity Component System (ECS/DOTS), physics simulation, shader programming (ShaderLab, HLSL, Shader Graph), and UI Toolkit. Triggers on gameplay programming, MonoBehaviour lifecycle, component architecture, rigidbody physics, raycasting, collision handling, custom shader authoring, material configuration, USS styling, UXML layout, and performance optimization for real-time applications. Acts as a senior Unity engineer advisor for game developers building production-quality games and interactive apps.
AbsolutelySkilled/AbsolutelySkilled 116
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edge-computing
Use this skill when deploying edge functions, writing Cloudflare Workers, configuring CDN cache logic, optimizing latency with edge-side processing, or building serverless-at-the-edge architectures. Triggers on edge functions, CDN rules, Cloudflare Workers, Deno Deploy, Vercel Edge Functions, Lambda@Edge, cache headers, geo-routing, and any task requiring computation close to the user.
AbsolutelySkilled/AbsolutelySkilled 116
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live-dependency-resolver
Use this skill when installing, adding, or updating packages, checking latest versions, scaffolding projects with dependencies, or generating code that imports third-party packages. Triggers on npm install, pip install, cargo add, gem install, go get, dependency resolution, package management, module installation, crate addition, or any task requiring live version verification across npm, pip, Go modules, Rust/cargo, and Ruby/gem ecosystems. Covers synonyms: dependency, package, module, crate, gem, library.
AbsolutelySkilled/AbsolutelySkilled 116
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linux-admin
Use this skill when managing Linux servers, writing shell scripts, configuring systemd services, debugging networking, or hardening security. Triggers on bash scripting, systemd units, iptables, firewall, SSH configuration, file permissions, process management, cron jobs, disk management, and any task requiring Linux system administration.
AbsolutelySkilled/AbsolutelySkilled 116
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user-stories
Use this skill when writing user stories, defining acceptance criteria, story mapping, grooming backlogs, or estimating work. Triggers on user stories, acceptance criteria, story mapping, backlog grooming, estimation, story points, INVEST criteria, and any task requiring agile requirements documentation.
AbsolutelySkilled/AbsolutelySkilled 116