Browse skills

Privacy-first web analytics with Plausible — lightweight script tag, no cookies, GDPR-compliant by default. Self-host with Docker or use Plausible Cloud. Covers script installation, custom event goals, pageview filtering, the Stats API for programmatic access, and Google Search Console integration. Use when tasks involve adding website analytics without cookie banners, replacing Google Analytics with a privacy-friendly alternative, or querying traffic data via API.

Comprehensive best practices, design patterns, and common pitfalls for ROS2 (Robot Operating System 2) development. Use this skill when building ROS2 nodes, packages, launch files, components, or debugging ROS2 systems. Trigger whenever the user mentions ROS2, colcon, rclpy, rclcpp, DDS, QoS, lifecycle nodes, managed nodes, ROS2 launch, ROS2 parameters, ROS2 actions, nav2, MoveIt2, micro-ROS, or any ROS2-era robotics middleware. Also trigger for ROS2 workspace setup, DDS tuning, intra-process communication, ROS2 security, or deploying ROS2 in production. Also trigger for colcon build issues, ament_cmake, ament_python, CMakeLists.txt for ROS2, package.xml dependencies, rosdep, workspace overlays, custom message generation, or ROS2 build troubleshooting. Covers Humble, Iron, Jazzy, and Rolling distributions.

Train a small GPT model from scratch in 2 hours — understand LLM architecture by building one. Use when: learning how LLMs work internally, training custom small language models, educational AI projects, fine-tuning experiments.

Create stunning screen recordings and product demos with OpenScreen — open-source, no watermarks, free for commercial use. Use when: recording product demos, creating tutorial videos, building marketing content, screen recording with post-processing effects.

Expert guidance for Porter, the platform that provides a Heroku-like experience on your own AWS, GCP, or Azure account. Helps developers deploy applications on managed Kubernetes clusters provisioned in their own cloud accounts, with the simplicity of `git push` deployment and the control of owning your infrastructure.

You are an expert in Portkey, the AI gateway that sits between your app and LLM providers. You help developers add caching, fallbacks, load balancing, request retries, guardrails, semantic caching, budget limits, and observability to LLM calls — using a single unified API that works with 200+ models from OpenAI, Anthropic, Google, and open-source providers.

Open-source product analytics with PostHog — event tracking, funnels, cohorts, session replay, feature flags, and experimentation. Self-host with Docker or use PostHog Cloud. Covers JavaScript SDK for frontend tracking, Python SDK for backend events, autocapture configuration, custom event taxonomies, and funnel/retention analysis. Use when tasks involve adding product analytics, understanding user behavior, debugging UX with session replay, or rolling out features with feature flags.

Send transactional emails with Postmark. Use when a user asks to send reliable transactional emails, improve email deliverability, use email templates with variables, or set up email sending for a SaaS app.

Create, edit, and manipulate PowerPoint (.pptx) files programmatically using python-pptx. Use when a user asks to generate a PPTX, modify slides, extract text from a presentation, add charts or tables to PowerPoint, build slides from data, convert content to PPTX, or automate PowerPoint file creation.

You are an expert in AWS Lambda Powertools, the developer toolkit for implementing serverless best practices. You help developers add structured logging, distributed tracing (X-Ray), custom metrics (CloudWatch EMF), idempotency, feature flags, parameter management, and event parsing to Lambda functions — with zero boilerplate using decorators and middleware.

Break a PRD into independently-grabbable GitHub issues using tracer-bullet vertical slices. Use when: user wants to convert a PRD to issues, create implementation tickets, or break down a PRD into work items.

Turn a PRD into a multi-phase implementation plan using tracer-bullet vertical slices, saved as a local Markdown file in ./plans/. Use when: user wants to break down a PRD, create an implementation plan, plan phases from a PRD, or mentions "tracer bullets".

Expert guidance for writing Product Requirements Documents (PRDs), helping product managers create clear, actionable specs that align engineering, design, and stakeholders. Produces PRDs that define the problem, success metrics, scope, user stories, edge cases, and launch criteria — without over-specifying implementation details.

You are an expert in Preact, the lightweight React alternative with the same modern API in just 3kB. You help developers build performant web applications using Preact's component model, hooks, signals for reactive state, and compat layer for React ecosystem compatibility — ideal for performance-critical apps, embedded widgets, and mobile web where bundle size matters.

Build tools and dashboards for prediction markets — Polymarket, Manifold, Kalshi, and Metaculus. Use when tasks involve fetching prediction market data, building probability dashboards, analyzing market liquidity, creating trading bots for prediction markets, visualizing event probabilities, or tracking forecasting accuracy. Covers both API integration and market analysis.

Prefect is a modern workflow orchestration framework for Python data pipelines. Learn to define flows and tasks with decorators, handle retries and scheduling, create deployments, and monitor via the Prefect UI.

Prettier is an opinionated code formatter that enforces a consistent style across your entire codebase. Unlike linters that flag problems for you to fix, Prettier rewrites your code automatically. It supports JavaScript, TypeScript, HTML, CSS, JSON, Markdown, YAML, and many other languages. By removing style debates from code review, Prettier lets teams focus on logic and architecture instead of arguing about tabs versus spaces or trailing commas.

Design pricing strategy — value-based pricing, freemium, tiers, and packaging. Use when: setting prices for a new product, redesigning pricing page, deciding between freemium and paid-only models.

Interactive StyleSeed setup wizard for choosing app type, brand color, visual style, typography, and the first screen scaffold.

You are an expert in Prisma, the TypeScript ORM with a declarative schema, auto-generated type-safe client, migrations, and studio GUI. You help developers model databases with Prisma Schema Language, generate a fully typed client that catches query errors at compile time, run zero-downtime migrations, and integrate with Postgres, MySQL, SQLite, MongoDB, CockroachDB, and PlanetScale.