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Found 340 Skills
UMAP dimensionality reduction. Fast nonlinear manifold learning for 2D/3D visualization, clustering preprocessing (HDBSCAN), supervised/parametric UMAP, for high-dimensional data.
GraphQL gives clients exactly the data they need - no more, no less. One endpoint, typed schema, introspection. But the flexibility that makes it powerful also makes it dangerous. Without proper controls, clients can craft queries that bring down your server. This skill covers schema design, resolvers, DataLoader for N+1 prevention, federation for microservices, and client integration with Apollo/urql. Key insight: GraphQL is a contract. The schema is the API documentation. Design it carefully.
Expert at handling file uploads and cloud storage. Covers S3, Cloudflare R2, presigned URLs, multipart uploads, and image optimization. Knows how to handle large files without blocking. Use when: file upload, S3, R2, presigned URL, multipart.
Instantly provision production-ready Postgres databases with Neon Instagres. Use when setting up databases, when users mention PostgreSQL/Postgres, database setup, or need a development database. Works with Drizzle, Prisma, raw SQL.
Expert in building Retrieval-Augmented Generation systems. Masters embedding models, vector databases, chunking strategies, and retrieval optimization for LLM applications. Use when: building RAG, vector search, embeddings, semantic search, document retrieval.
When the user wants to submit an iOS app to the App Store. Use when the user mentions 'App Store,' 'App Store Connect,' 'TestFlight,' 'iOS submission,' 'app review,' 'EAS build,' 'eas submit,' 'Apple review,' 'app rejection,' or 'iOS release.' This skill covers the entire process from setup to App Store review approval.
Expert patterns for HubSpot CRM integration including OAuth authentication, CRM objects, associations, batch operations, webhooks, and custom objects. Covers Node.js and Python SDKs. Use when: hubspot, hubspot api, hubspot crm, hubspot integration, contacts api.
Red team tactics principles based on MITRE ATT&CK. Attack phases, detection evasion, reporting.
Plan and build production-ready Rust CLI tools using clap for argument parsing, with subcommands, config file support, colored output, and proper error handling. Uses interview-driven planning to clarify commands, input/output formats, and distribution strategy before writing any code.
Create and manage persistent markdown planning files for structured task execution. Use when the user asks to "create a plan", "track progress", "start a research project", or when a task requires more than 5 tool calls and needs structured phase tracking to stay focused and avoid goal drift.
Third-party perspective analysis and improvement skills for marketing pages. Targets: Landing Pages (LP), Home Pages (HP), Pricing Pages, Feature Pages, Blogs. Integrates CRO frameworks and direct response principles (Schwartz/Hopkins/Ogilvy). Usage scenarios: (1) Page audit/analysis requests (2) Conversion improvement consultations (3) Copywriting improvements (4) A/B test design (5) Implementation prioritization. Trigger examples: "Analyze my LP", "Want to increase conversion rate", "Review pricing page", "Improve hero section", "Optimize CTA", "HP improvement proposal"
Comprehensive marketing audit and analysis skill. Integratively utilize all marketing-related skills. Usage scenarios: (1) Overall marketing audit (2) Pre-launch comprehensive inspection (3) Growth strategy review (4) Competitor analysis (5) Formulation of comprehensive improvement plans. Trigger examples: "Conduct a comprehensive investigation and review of marketing aspects", "Marketing audit", "Pre-launch check", "Develop a growth strategy", "Marketing improvement plan"