hollandkevint

Build or update an evidence graph for a data analysis by linking the question, definitions, source versions, checks, findings and decisions. Use when an analysis spans multiple skills or someone asks what supports a conclusion, what changed, or what to check…

Automated data quality checks for pipelines. Testing pyramids, dbt test patterns, data contracts, circuit breakers, and monitoring. Use when implementing data quality checks, writing dbt tests, defining data contracts, setting up pipeline validation, building…

Help a data leader or data product manager choose the next decision, coordinate delivery and review outcomes across one product or a portfolio. Use to establish or improve a data-product operating rhythm, connect existing skills and preserve decision context.…

Team structure and operating rhythm for data product teams. Product squads, Shape Up 6-week cycles, handoff contracts, and role assignments by lifecycle stage. Use when organizing a data team, planning data product development cycles, defining roles and…

Review a Databricks data product or proposed release using approved metadata and query evidence. Use for Unity Catalog scope, Delta change handling, reconciliation, or a release handoff. Does not provision infrastructure or authorize production writes.

Profile approved CSV or Parquet files with DuckDB and produce reproducible quality and join checks. Use for local exploratory analysis, schema drift, identifier preservation or source reconciliation. Does not authorize sensitive-data downloads or arbitrary…

Turn a healthcare population question into a reviewable cohort specification and acceptance cases. Use for claims or EHR cohorts, OMOP studies, quality-reporting denominators or trial-feasibility counts. Does not determine clinical trial eligibility or supply…

Healthcare data domain context covering FHIR, HL7, OMOP CDM, real-world evidence, and clinical terminology systems. Use when working on clinical data pipelines, EHR integrations, claims data products, HIPAA-governed data, OMOP transformations, or when the…

Capture a just-made decision into one durable record so the reasoning survives the session. Writes a single markdown file to the project's decisions/ folder: the call, the reasoning, the weakest assumption, what would change the verdict, and when to reuse the…

7-move decision gate for AI deployment. Prevents early promise from becoming unquestioned infrastructure. Based on Stuart Winter-Tear's AI Graduation Path. Activates on "AI deployment", "graduation", "should we scale this AI", "pilot to production", "AI…

3 diagnostic questions for evaluating any industry, market, or business model through the lens of arbitrage gaps. Identifies durable advantages vs. closing ones. Based on Nate Jones' Arbitrage Gap Framework. Activates on "arbitrage", "competitive advantage",…

Extract and rank assumptions from any plan, idea, or strategy. Identifies what to test first. Anti-sycophancy tool — surfaces beliefs the user treats as facts. Activates on "what am I assuming", "assumptions", "what could go wrong", "blind spots", "stress…

A 20-minute pressure test for B2B ideas, positioning angles, offers, content theses, product bets, and client recommendations. Built for PMMs, product managers, founders, consultants, writers, and editors who need a strong sounding board before committing.…

One-page decision brief that passes the Simple/Surprising/Easy test. Turns a messy decision into a constraint that generates action. Based on Alex MH Smith's creative brief framework. Activates on "write a brief", "decision brief", "one-pager", "clarify the…

7-step human-centered design process. Context, empathize, define, ideate, prototype, test, iterate. Lightweight version of full design thinking for strategic decisions. Adapted from BMAD Creative Intelligence Suite (Maya). Activates on "design thinking",…

Decision tree exploration through relentless interviewing. Forces shared understanding before action. Use when planning features, evaluating strategies, making hiring decisions, designing products, or any time you need exhaustive clarity before committing.…

Work a build idea or design decision through with the agent, grounded in the live repo. Walks the decision tree one branch at a time (recommended answer first), reads CLAUDE.md / docs/solutions/ / actual source to ground and cross-check claims, and captures…

UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize,…

Unified testing commands and patterns across frontend and backend.