Release Engineer
Structured release and ship workflow skill. Use when the user wants to ship code, create a PR, merge to main, deploy to production, run pre-ship checks, bootstrap a test framework, or needs a repeatable release process from final review to live deployment.
Pptx
Create, edit, read, and design PowerPoint presentations (.pptx). Use whenever a .pptx file is involved — creating slide decks, pitch decks, or stakeholder presentations; reading or extracting content from an existing .pptx; editing or updating slides; building from a template. Trigger on "deck", "slides", "presentation", "pitch deck", "PowerPoint", or any .pptx filename.
Commit Message
Write clean Conventional Commits messages and pull request descriptions from staged changes or diffs. Use when the user asks to write a commit message, commit their changes, describe a PR, open a pull request, summarise a branch, or says "write a commit", "create a PR", "what should I call this commit", or "draft my PR description".
Ai Engineer
Expert AI/LLM engineering guidance. Use when the user asks about RAG, OpenAI, Azure OpenAI, prompt engineering, AI agents, MCP, vector databases, or evaluation pipelines.
Product Engineer
Expert product engineering guidance for senior engineers and tech leads. Use when the user asks about feature planning, MVP design, user flows, tradeoff analysis, or technical decisions that intersect with product strategy.
Performance Optimizer
Expert performance analysis and optimization guidance. Use when the user asks about frontend optimization, API latency, database optimization, memory leaks, CPU bottlenecks, or profiling.
System Design
Expert system design guidance for architects and senior engineers. Use when the user asks about microservices, monolith design, event-driven architecture, scalability, reliability, caching strategies, queue design, load balancers, or API gateways.
Code Reviewer
Review code changes for bugs, security issues, performance problems, and style before shipping. Use when the user asks for a code review, wants to check a diff or PR, needs a second opinion on implementation, or says "review this", "check this code", or "is this safe to ship".
React Development
Build, review, debug, and maintain production React interfaces and component systems. Use for React components, hooks, state management, forms, routing, data fetching, accessibility, rendering performance, SSR, hydration, testing, or React framework integration.
Brand Guidelines
Apply brand voice, tone, colors, typography, and visual style consistently across any artifact. Use when the user wants to ensure a document, presentation, email, website, or any content matches their brand identity — including color palette, font choices, tone of voice, imagery guidelines, and design standards. Also use when the user says "make it on-brand", "apply our brand style", or shares br…
Technical Writer
Write, structure, and maintain all forms of technical documentation — READMEs, API docs, runbooks, architecture decision records (ADRs), changelogs, onboarding guides, and user manuals. Use when the user asks to write or improve documentation, create a README, document an API, write a runbook, produce a changelog, or says "write the docs for this".
Plan Design Review
Design plan review skill — rate and improve a UI design plan before implementation. Use when the user has a plan, wireframe, or design description for a UI feature and wants a senior designer to rate each design dimension 0-10, explain what a 10 looks like, detect AI slop, and edit the plan to reach that quality before any code is written.
Internal Comms
Write clear, well-structured internal communications — incident reports, post-mortems, launch announcements, team updates, all-hands summaries, 3P updates (Progress/Plans/Problems), project status updates, leadership briefings, and FAQs. Use when the user needs to communicate something to their team, engineering org, or company — especially under time pressure or when the message needs to be prec…
Data Engineer
Design and build production-grade data pipelines, ETL/ELT workflows, data warehouses, and streaming architectures. Use when the user asks about data pipelines, ETL/ELT, dbt models, Airflow DAGs, Kafka, data warehouses (Snowflake, BigQuery, Redshift), data quality, schema design for analytics, event streaming, or says "build a pipeline", "transform this data", or "set up a data warehouse".
Agent Memory
Session memory management, browser-based QA testing, and multi-agent coordination skill. Use when the user wants to persist learnings across sessions, review what the agent has learned about their codebase, prune stale knowledge, run browser-based testing with real Chromium, coordinate multiple AI agents on the same task, or set up authenticated browser sessions for testing.
Spec Author
Turn vague intent into a precise, executable specification. Use when the user has a feature idea, bug report, or product change that needs to be turned into a structured spec before implementation begins. Also use when creating GitHub issues, writing technical requirements, or producing implementation-ready documents from rough ideas.
Office Hours
Pre-code ideation and startup validation skill. Use when the user wants to validate a product idea, stress-test assumptions before building, run a YC-style office hours session, brainstorm feature alternatives, or needs forcing questions that challenge their thinking before writing a line of code.
Safety Guardrails
AI safety guardrails skill — warn before destructive commands, lock file edits to a specific directory, and prevent accidental damage to production systems. Use when working in a production environment, debugging a live system, doing risky migrations, or whenever the user says "be careful", "don't touch X", "only edit files in Y", or is about to run something irreversible.
Api Design
Design production-grade APIs — REST, GraphQL, gRPC, and WebSocket — with a focus on consistency, versioning, error standards, and developer experience. Use when the user asks to design an API, define endpoints, choose between REST and GraphQL, structure request/response schemas, handle API versioning, design pagination, or produce an OpenAPI/Swagger spec.
Typescript Development
Build, review, debug, and maintain production TypeScript applications, libraries, Node.js services, and tooling. Use for TypeScript types, tsconfig, Node.js, package management, runtime validation, async code, API clients, testing, build tooling, or package publishing.
Backend Dev
Production-grade backend development guidance — language and framework agnostic. Use when the user asks to build an API, design a backend service, create a database schema, implement authentication, write business logic, structure a backend project, or produce server-side code of any kind.
Retro Engineer
Engineering retrospective skill for continuous improvement. Use when the user wants to run a weekly or sprint retro, review shipping velocity, analyse test health trends, identify growth opportunities, get per-person breakdowns, or run a cross-project retrospective across all their AI tools and repos.
Design Explorer
Visual design exploration and design system creation skill. Use when the user wants to explore multiple design directions, generate design variants, build a design system from scratch, convert a mockup to production HTML, compare design options, or needs a design partner to challenge aesthetic choices and catch AI design slop.
Forward Deployment Engineer
Expert guidance for Forward Deployment Engineers (FDEs) — customer-facing technical specialists who deploy, integrate, configure, and operationalize complex software systems at customer sites. Use when the user asks about customer onboarding, on-site deployment, system integration, customer-facing technical delivery, proof-of-concept (PoC) builds, solution configuration, technical account managem…
Sre Canary
Post-deploy monitoring and canary verification skill. Use when the user has just deployed and wants to verify production health, watch for console errors or performance regressions, run a post-deploy monitoring loop, or validate that a canary deployment is stable before rolling out to 100% traffic.
Security Engineer
Expert application and infrastructure security guidance. Use when the user asks about OWASP Top 10, JWT review, RBAC, OAuth, threat modeling, SSRF, CSRF, XSS, or secret management.
Database Architect
Expert database architecture and design guidance — schema/data modeling, ER diagrams, indexing, query optimization, partitioning, replication and high availability, transactions and locking, connection pooling, migrations, and multi-tenancy patterns across PostgreSQL, MySQL, MongoDB, and Redis. Use this whenever the user asks about designing a schema, a slow or N+1 query, choosing between SQL and…
Debugger
Systematic root-cause debugging skill. Use when the user has a bug, error, crash, unexpected behaviour, failing test, or performance issue and needs to find the root cause before fixing it. Iron law: no fixes without investigation first.
Frontend Design
Design and implement distinctive, production-ready web interfaces. Use when creating or substantially redesigning a page, component, dashboard, marketing site, or product UI; when choosing visual direction, typography, layout, responsive behavior, states, or accessibility; or when an existing interface feels generic, inconsistent, or poorly structured.
Skill Creator
Create new skills, improve existing skills, and test skill quality. Use when the user wants to build a skill from scratch, turn a workflow into a reusable skill, improve or refactor an existing SKILL.md, test how well a skill performs, optimize a skill's description so it triggers correctly, or asks "how do I make a skill for X". This is the meta-skill — it builds all other skills.
Python Development
Build, review, debug, and maintain production Python applications, services, libraries, CLIs, and automation. Use for Python code, pytest, typing, packaging, dependency management, asyncio, FastAPI, Django, data access, and Python performance or reliability work.
Theme Factory
Generate and apply complete design themes — color palettes, typography pairings, and spacing systems — to any artifact. Use when the user wants to style a presentation, document, landing page, dashboard, or UI component with a cohesive visual theme, pick from pre-built themes, or generate a custom theme from a brief description. Trigger on "apply a theme", "make it look professional", "give it a…
Research Agent
A Claude skill from CODE-SAURABH/OpenSkills.
Devops Platform
Production-grade DevOps and platform engineering guidance — Docker, Kubernetes, CI/CD pipelines, Terraform/IaC, GitOps, deployment strategies (rolling/blue-green/canary), monitoring and alerting, and cloud patterns across AWS/Azure/GCP. Use this whenever the user asks about containerizing an app, writing a Dockerfile or Kubernetes manifest, setting up CI/CD (GitHub Actions, GitLab CI, Jenkins, Az…
OpenSkills
49 production-grade AI agent skills (SKILL.md) for Claude Code, Codex & Antigravity — system design, DevOps, security, QA, and more. MIT licensed, open source.
Test Writer
Generate or extend comprehensive test suites — unit, integration, E2E, and contract tests — for any language or framework. Use when the user asks to write tests, add coverage, test a specific function or module, set up a test framework, generate test cases from code, or validate behaviour with automated tests.
Java Development
Build, review, debug, and maintain production Java applications, libraries, services, and APIs. Use for Java, Spring Boot, Jakarta, Maven, Gradle, JUnit, concurrency, JVM performance, persistence, dependency injection, configuration, resilience, or Java security work.
Plan Ceo Review
CEO and founder-lens strategic plan review. Use when the user wants to evaluate a feature or product idea from a business perspective, challenge scope, find the 10-star product inside the request, assess user value and competitive moat, or run a strategic review before engineering begins.
Xlsx
Create, read, edit, and analyse Excel spreadsheet files (.xlsx, .xlsm, .xltx, .csv, .tsv). Use whenever a spreadsheet file is the primary input or output — adding columns, computing formulas, formatting cells, building financial models, cleaning messy data, extracting tables, creating charts, or converting between tabular formats. Trigger when the user mentions an .xlsx file, "spreadsheet", "Exce…
Plan Eng Review
Engineering plan review skill — architecture, data flow, edge cases, and test plan before coding begins. Use when the user has a feature plan or design doc and needs an engineering manager to stress-test the technical approach, surface hidden assumptions, define the data model, identify failure modes, and lock in the implementation plan before writing code.
Devex Engineer
Developer experience audit and improvement skill. Use when the user wants to review their API, CLI, SDK, or docs from a developer perspective, benchmark their onboarding flow against competitors, measure Time to Hello World (TTHW), trace friction points step-by-step, or improve the developer experience of a product before launch.
Mcp Builder
Build production-grade MCP (Model Context Protocol) servers that connect AI agents to external APIs, databases, and services. Use when the user wants to build an MCP server, integrate an external API with Claude or any AI agent, create custom tools for an AI agent, expose a service via MCP, or asks how to connect their app to an AI model using the MCP standard.
Webapp Testing
Automated end-to-end web application testing using Playwright. Use when the user wants to write automated tests for a web app, test frontend functionality, verify UI behaviour programmatically, debug interactions in a browser, capture screenshots of a running app, check for console errors, or test a user flow from login to completion.
Prompt Engineer
Design, iterate, test, and version prompts for LLMs — system prompts, few-shot examples, chain-of-thought, structured output, and agentic tool-use prompts. Use when the user asks to write a prompt, improve an existing prompt, design a system prompt, add few-shot examples, control LLM output format, reduce hallucinations, or get better results from any AI model.
Read, extract, create, merge, split, and manipulate PDF files. Use whenever a .pdf file is involved — extracting text or tables from a PDF, creating a new PDF from content or data, merging multiple PDFs, splitting a PDF into pages, rotating pages, adding watermarks, filling PDF forms, encrypting or decrypting PDFs, extracting images, or running OCR on scanned PDFs. Trigger when the user mentions…
Qa Engineer
Live QA testing skill that finds bugs, fixes them with atomic commits, and re-verifies. Use when the user wants to test their app in a real browser, find bugs in a running application, run a QA pass before shipping, generate regression tests, or validate that a feature works end-to-end from the user's perspective.
Benchmark
Performance benchmarking skill — baseline and compare page load times, Core Web Vitals, bundle sizes, and API response times. Use when the user wants to measure performance before and after a change, catch performance regressions in a PR, establish a performance baseline, or understand what is making their app slow.
Land And Deploy
Merge, deploy, and verify production skill. Use when a PR is approved and ready to land — this skill merges the PR, monitors CI/CD pipeline completion, waits for the deploy to finish, verifies production health, and confirms the feature is live and working. The final step from "approved" to "verified in production".
Autoplan
Automated full review pipeline skill. Use when the user wants to run a complete plan review in one command, automatically chain CEO review then design review then engineering review then DX review, surface only the decisions that need human taste judgment, or compress the full planning workflow into a single structured output.
Doc Coauthoring
Structured co-authoring workflow for PRDs, design docs, RFCs, decision docs, proposals, and any substantial written document. Use when the user wants to write a PRD, design doc, RFC, decision doc, one-pager, proposal, technical spec, or any structured document where quality and completeness matter. Goes deeper than technical-writer — this skill actively guides the writing process through three st…