“data engineering”

Master context engineering for AI agent systems.

A/B testing infrastructure, feature flags (LaunchDarkly, Unleash), experimentation platforms, PLG patterns, and funnel optimization.

Use when designing, building, reviewing, or polishing user interfaces, motion, component behavior, interaction details, and product-feel across any frontend…

Develop and deploy Lakeflow Jobs on Databricks via DABs, Python SDK, or the CLI.

Craft rules for web UI polish (press states, origins, transforms, clip-path, gestures, performance, accessibility) and a Before/After review table.

Reference manual for Python project layout, uv dependencies, static checks, tests, packaging, and CI conventions.

Develop and deploy Lakeflow Jobs on Databricks via DABs, Python SDK, or the CLI.

Inject controlled failures to test system resilience, validate recovery paths, and build reliability confidence.

Collect immutable, timestamped ICAIRE LinkedIn and X post-level snapshots when refreshing Audience Growth Engine source data.

Orchestrates substantial frontend and UI work with audit-first context, product-aware design direction, shadcn-aware component engineering, Storybook state…

Chaos engineering: hypothesis-driven fault injection to surface weakness before users do.

Govern product and software work with V.I.B.E.

Use when the user says "close issue [ID]", "close [ID]", "finish closeout", or when a Linear issue already has a review-ready PR and this repository needs the…

Run the marketing-engineer operating system — one shared brain, ten agents, a review queue, and a weekly loop — on top of Cogny's MCPs.

Use for architecture, system design, code review, debugging, refactoring, technical debt, data models, testing strategy, performance, reliability, or…

Umbrella skill for distinctive frontend design, UI polish, Apple-style fluid interaction, animation vocabulary lookup, and strict motion review.

Expert API design and delivery: resource modeling, versioning, consistent error envelopes, pagination/filtering, idempotency, OpenAPI/contracts, and boundary…

Use when asked to implement, fix, build, or work on an existing Linear issue in this repository, and coding should stop before PR creation

Understanding how a compiled, obfuscated, packed or virtualized target works: binaries and firmware, Android APKs and iOS IPAs, .NET and JVM assemblies, WASM…

Design schemas and write queries for SQL and NoSQL databases.

Analyzes and engineers protein glycosylation by scanning canonical N-glycosylation sequons, describing S/T-rich regions, checking curated glycan evidence, and…

Use this skill when you writing commands, hooks, skills for Agent, or prompts for sub agents or any other LLM interaction, including optimizing prompts…

Use when test quality decisions are needed for new, changed, brittle, missing, or review-requested unit or component tests, including tests-first work…

Schema design, migrations, indexing, query optimization, seeding