sethdford/claude-skills - Page 4

mutation-testing

Measuring test quality by mutating code and checking if tests catch mutations.

performance-test-plan

Load testing, profiling, SLA verification, bottleneck identification.

property-based-testing

Generative testing with QuickCheck/Hypothesis; testing properties that should hold for all inputs.

tdd-workflow

Red-Green-Refactor cycle for test-first development. Write failing test, implement minimal code, refactor safely. Use when developing new features or fixing bugs in test-driven projects.

test-data-management

Creating and managing test data via fixtures, builders, factories, and minimal realistic datasets.

test-doubles-strategy

Choosing between mocks, stubs, fakes, spies, and dummies based on testing needs.

test-strategy

Create testing pyramid with unit/integration/E2E strategy. Define coverage targets and high-risk testing. Use when planning tests for features.

unit-test-design

Single-unit tests, isolation via mocks/stubs, Arrange-Act-Assert pattern, one assertion per test.

a-b-test-design-pm

Analytics and experimentation skill for product managers.

cohort-analysis

Analytics and experimentation skill for product managers.

data-storytelling

Analytics and experimentation skill for product managers.

experiment-design

Analytics and experimentation skill for product managers.

funnel-analysis

Analytics and experimentation skill for product managers.

metrics-framework

Analytics and experimentation skill for product managers.

north-star-metric

Analytics and experimentation skill for product managers.

retention-analysis

Analytics and experimentation skill for product managers.

assumption-mapping

Document and prioritize the assumptions underlying your product strategy before validation.

competitive-landscape

Map existing solutions, alternatives, and competitive positioning to understand the problem space.

customer-interview-guide

Design and conduct structured customer interviews to uncover problems, motivations, and decision-making.

customer-segmentation

Identify and prioritize customer segments based on shared needs, behaviors, and contexts.

discovery-sprint-plan

Plan and execute a focused 1-week discovery sprint with clear learning objectives.

market-sizing

Estimate total addressable market (TAM), serviceable market (SAM), and obtainable market (SOM).

opportunity-assessment

Evaluate the size, urgency, and addressability of a discovered problem opportunity.

pain-point-analysis

Systematically identify, document, and prioritize customer pain points with frequency and intensity metrics.

problem-statement

Define a clear, evidence-based problem statement that frames customer pain without prescribing solutions. Use when discovering unmet customer needs, validating market problems, or prioritizing discovery research.

voice-of-customer

Aggregate customer feedback across channels into structured insights that inform strategy.

beta-program-design

Launch and go-to-market skill for product managers.

feature-flag-strategy

Launch and go-to-market skill for product managers.

go-to-market-strategy

Launch and go-to-market skill for product managers.

launch-plan

Launch and go-to-market skill for product managers.

launch-readiness-checklist

Launch and go-to-market skill for product managers.

release-notes

Launch and go-to-market skill for product managers.

rollout-strategy

Launch and go-to-market skill for product managers.

success-criteria

Launch and go-to-market skill for product managers.

customer-advisory-board

Essential PM toolkit skill for product managers.

one-pager

Essential PM toolkit skill for product managers.

pm-interview-prep

Essential PM toolkit skill for product managers.

product-brief

Essential PM toolkit skill for product managers.

product-ops-playbook

Essential PM toolkit skill for product managers.

product-review

Essential PM toolkit skill for product managers.