Results for “t-test”

Scaffolds a Spring Boot Kotlin project with Gradle, WebFlux, R2DBC, Redis, MongoDB, and Testcontainers, including Docker Compose setup.

Writes and reviews defensive Bash scripts for automation, CI/CD, and system utilities, emphasizing safety, portability, and testability.

Formal evaluation framework for Claude Code sessions implementing eval-driven development (EDD) principles.

Write idiomatic Ruby code with metaprogramming, Rails patterns, and performance optimization. Specializes in Ruby on Rails, gem development, and testing frameworks.

Enforces running verification commands and confirming output before claiming work is complete, fixed, or passing, ensuring evidence precedes any success claims.

Diagnose why a web page is or is not converting and produce prioritized, evidence-based optimization recommendations with a readiness score.

Perform code reviews following Sentry engineering practices. Use when reviewing pull requests, examining code changes, or providing feedback on code quality. Covers security, performance, testing, and design review.

Write defensive Bash scripts for production automation, CI/CD pipelines, and system utilities with safe, portable, and testable patterns.

User research specialist. Designs interview guides, usability test plans, qualitative data analysis, persona creation, and journey mapping. Complements Echo's UI validation. Use when user research design or analysis is needed.

Verify a code change end-to-end in the current worktree: figure out what changed, run the relevant tests, get the app running, drive a browser to exercise the affected areas, and report a verdict with screenshots. Generic across project types (Laravel/Herd, Node/bun, frontend, CLI, library). Use this skill whenever the user wants to verify/QA/smoke-test a change, check that a PR or branch's changes actually work, validate uncommitted work before pushing, or says "/flow", "flow this", "verify this change", "does this PR work", "check my changes", "test and click through this". Accepts an optional target (a PR number/URL, a branch/ref, or a worktree path); with no argument it verifies the current uncommitted/working changes.

Write readable, maintainable code through disciplined naming, small functions, and clean error handling. Use when the user mentions "code review", "naming conventions", "function too long", "code smells", "readable code", "boy scout rule", "single responsibility", or "unit test quality". Also trigger when reviewing pull requests for readability, refactoring messy functions, debating comment styles, or improving error handling patterns. Covers SRP, comment discipline, formatting, and unit testing. For refactoring techniques, see refactoring-patterns. For architecture, see clean-architecture.

Expert knowledge for Azure Pipelines development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when setting up YAML CI/CD, service connections/Key Vault, self-hosted agents, IIS/Kubernetes deploys, or Git integrations, and other Azure Pipelines related development tasks. Not for Azure DevOps (use azure-devops), Azure Boards (use azure-boards), Azure Repos (use azure-repos), Azure Test Plans (use azure-test-plans).

Automate Electron desktop apps (VS Code, Slack, Discord, Figma, Notion, Spotify, etc.) using agent-browser via Chrome DevTools Protocol. Use when the user needs to interact with an Electron app, automate a desktop app, connect to a running app, control a native app, or test an Electron application. Triggers include "automate Slack app", "control VS Code", "interact with Discord app", "test this Electron app", "connect to desktop app", or any task requiring automation of a native Electron application.

Comprehensive exploratory data analysis with publication-quality descriptive tables, correlation matrices, distribution plots, and assumption testing. Generates a standalone EDA report with Table 1 (gtsummary/great_tables), correlation heatmap, distribution diagnostics, VIF for multicollinearity, and normality/homoscedasticity tests. All figures are APA-formatted and colorblind-safe. Use when the user says "exploratory analysis," "EDA," "descriptive statistics," "explore the data," "Table 1," "correlations," "distributions," or when /data-clean completes successfully. Triggers on "EDA," "descriptive," "Table 1," "explore," "correlations."

Write, review, debug, or test Python code that parses, inspects, transforms, builds, qualifies, optimizes, formats, or transpiles SQL with SQLGlot.

Measurement-driven model router for Claude Code. Routes Haiku/Sonnet/Opus per task class, logs every routed task with real $ numbers, and A/B tests cheaper tiers before you trust the savings.

Design and optimize in-app paywalls, upgrade screens, and upsell modals to convert free users to paid or upgrade to higher tiers.

Define owned inductive invariants and enforce them at parse, construct, API, DB, lock, or transaction boundaries, with counterexample-driven verification.

Runs a relentless interview that sharpens a plan or design. Use when the user wants to be grilled on an idea, pressure-test a plan, or refine a design through questioning.

Identify what to measure, test, or track to de-risk a product or AI idea across internal and external risk dimensions.

Audits, develops, tests, and tracks software projects through a Project Loop Harness with SQLite memory, evidence-backed status, and a generated HTML dashboard.

Generate a complete Rust Model Context Protocol server project with tools, prompts, resources, and tests using the official rmcp SDK.

Provides a comprehensive set of design rules and anti-patterns to avoid AI-generated slop when building any interface.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

> ⚠️ **AUTHORIZED USE ONLY** — This skill is intended for authorized security professionals only. Use only against systems you own or have explicit written permission to test. Unauthorized use may violate applicable laws.

Pressure-tests medical-device QMS work with six traceability-obsessed questions before internal audits, regulatory reviews, or product launches.

Pressure-tests an ISMS with six sample-driven questions to prepare for ISO 27001 internal, certification, or surveillance audits.

Analyze landing pages and funnels to identify conversion barriers and deliver actionable, prioritized recommendations for improvement.

Transforms working code into clean, readable, and maintainable code following Robert C. Martin's principles.

Build modern PHP applications with strict typing, PHPStan level 9, Laravel or Symfony, and enterprise patterns including DTOs, DI, and comprehensive testing.

Reviews a codebase for structural smells and refactors them with provable safety, using micro commits and green-bar discipline.