Claude Skills Online Marketplace

Analytics de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.

Strategies for managing LLM context windows including summarization, trimming, routing, and avoiding context rot

Add and manage evaluation results in Hugging Face model cards. Supports extracting eval tables from README content, importing scores from Artificial Analysis API, and running...

Comprehensive patterns for designing effective Key Performance Indicator (KPI) dashboards that drive business decisions.

Expert in Langfuse - the open-source LLM observability platform. Covers tracing, prompt management, evaluation, datasets, and integration with LangChain, LlamaIndex, and OpenAI....

Architecture and integration sketches for LLM applications, with explicit retrieval, tool, privacy and verification boundaries.

Guide product strategy, discovery, prioritization and metrics; upstream templates and formula collections are external prerequisites.

Audit an Agent Skill, MCP server, connector, or desktop extension before installation by tracing code, dependencies, permissions, credentials, data flow, and irreversible actions.

Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.

Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to another. Use when deciding whether to...

Build reliable, fast, and maintainable end-to-end test suites that provide confidence to ship code quickly and catch regressions before users do.

Build React components, implement responsive layouts, and handle client-side state management. Masters React 19, Next.js 15, and modern frontend architecture.

Comprehensive k6 load testing skill for API, browser, and scalability testing. Write realistic load scenarios, analyze results, and integrate with CI/CD.

Build production-ready monitoring, logging, and tracing systems. Implements comprehensive observability strategies, SLI/SLO management, and incident response workflows.

Generate and maintain OpenAPI 3.1 specifications from code, design-first specs, and validation patterns. Use when creating API documentation, generating SDKs, or ensuring API...

Coordinate full-stack implementation across interface, service, database and delivery boundaries using the existing project stack and verified checks.

Implement and verify Stripe checkout, subscriptions, webhooks and refunds with explicit server-side authorization and retry boundaries.

Analytics de produto — PostHog, Mixpanel, eventos, funnels, cohorts, retencao, north star metric, OKRs e dashboards de produto.

Comprehensive frameworks for analyzing competition, identifying differentiation opportunities, and developing winning market positioning strategies.

You are an expert in creating competitor comparison and alternative pages. Your goal is to build pages that rank for competitive search terms, provide genuine value to evaluators,...