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Found 741 Skills
Design and generate property-based tests (PBT) for changed files in the current git branch. Extracts specifications, designs properties (invariants, round-trip, idempotence, metamorphic, monotonicity, reference model), builds generator strategies, implements tests, and self-scores against a rubric (24/30+ required). Supports fast-check (TS/JS), hypothesis (Python), and proptest (Rust). Use when: (1) "write property tests for my changes", (2) "add PBT", (3) "property-based test", (4) after implementing pure functions, validators, parsers, or formatters to verify invariants.
Clean Code principles adapted for C#/.NET including naming, variables, functions, SOLID, error handling, and async patterns. Use when: (1) reviewing C# code, (2) refactoring for clarity, (3) writing new code, (4) code review feedback.
Design and build reusable, well-documented components. Master component composition, prop design, variant systems, state management, and documentation. Create a scalable component library that enables consistency and speeds up development. Works with React, TypeScript, and Tailwind CSS.
Toolkit for structuring hypotheses, variants, guardrails, and measurement plans.
Use when crafting tiered ABM messaging, offers, and creative variants.
nginx C module directive design guidelines for creating admin-friendly configuration interfaces. This skill should be used when designing nginx module directives — deciding what to expose vs hardcode, naming conventions, scope placement, default values, variable design, and validation patterns. Triggers on tasks involving ngx_command_t design, directive naming, configuration API design, nginx module public interface, or directive deprecation.
This skill should be used when the user asks to "style with Tailwind", "add Tailwind classes", "fix Tailwind styles", "use tailwind-variants", "add animations with tw-animate-css", "configure Tailwind v4", "migrate to Tailwind v4", or mentions Tailwind utilities, CSS classes, responsive design, dark mode, gradients, design tokens, or CSS Modules.
Analyze arguments, detect biases, evaluate claims, and improve reasoning. Use when asked to fact-check, identify logical fallacies, evaluate arguments, analyze predictions, find root causes, or think adversarially about plans. Triggers include "evaluate this argument", "logical fallacies", "fact check", "analyze the claims", "identify biases", "devil's advocate", "red team this", "root cause".
Deploy and operate production agent servers with LangSmith Deployment. Use when work involves choosing Cloud vs Hybrid/Self-hosted-with-control-plane vs Standalone, preparing/validating langgraph.json, creating deployments or revisions, rolling back revisions, wiring CI/CD to control-plane APIs, configuring environment variables and secrets, setting monitoring/alerts/webhooks, or troubleshooting deployment/runtime/scaling issues for LangChain/LangGraph applications.
Write viral Twitter/X threads and Reddit posts with proven structures, hooks, and engagement tactics. Includes templates for story threads, listicle threads, contrarian takes, tutorials, and case studies. Can post directly to Reddit. Trigger phrases: "write a thread", "Twitter thread", "X thread", "viral thread", "thread writer", "tweetstorm", "thread template", "thread about", "turn this into a thread", "reddit post", "write a reddit post".
Debugs Laravel applications with Xdebug integration. Activates when setting breakpoints, stepping through code, inspecting variables, analyzing dd() output, debugging routes, controllers, queues, or Eloquent queries; or when user mentions debug, breakpoint, step into, inspect variables, Xdebug, or troubleshooting errors.
Provides elevator pitch and verbal brand communication frameworks including Donald Miller's StoryBrand (SB7), Nancy Duarte's Sparkline, Chris Westfall's CLARITY, Andy Raskin's Strategic Narrative, Simon Sinek's Golden Circle, and time-based pitch structures (10s, 30s, 60s). Auto-activates during elevator pitch creation, one-liner development, brand pitch refinement, and verbal communication work. Use when discussing elevator pitches, one-liners, brand intros, verbal pitches, pitch coaching, spoken brand messages, or pitch variations.