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Found 9,955 Skills
TDD-style testing methodology for skills using fresh subagent instances to prevent priming bias and validate skill effectiveness. Use when validating skill improvements, testing skill effectiveness, preventing priming bias, measuring skill impact on behavior. Do not use when implementing skills (use skill-authoring instead), creating hooks (use hook-authoring instead).
Implement PostHog webhook signature validation and event handling. Use when setting up webhook endpoints, implementing signature verification, or handling PostHog event notifications securely. Trigger with phrases like "posthog webhook", "posthog events", "posthog webhook signature", "handle posthog events", "posthog notifications".
Ruby programming patterns and idioms
Conditional Request Helper - Auto-activating skill for API Development. Triggers on: conditional request helper, conditional request helper Part of the API Development skill category.
Git security best practices for 2025 including signed commits, zero-trust workflows, secret scanning, and verification
Creates a new numbered issue document in docs/issue/ following the project's standard issue format, and simultaneously creates the corresponding Korean translation in docs/dev/issue/. Use this whenever starting new work — features, bug fixes, tasks, or investigations. The user may say "create an issue", "new issue", "이슈 만들어줘", or simply describe work they want to start.
Use when designing menu systems, breadcrumbs, mega-menus, or navigation APIs. Covers menu hierarchies, dynamic vs static navigation, mobile navigation patterns, and navigation endpoint design for headless CMS.
Guidelines for self-explanatory code and meaningful documentation. Activate when working with comments, docstrings, documentation, code clarity, API documentation, JSDoc, or discussing code commenting strategies. Guides on why over what, anti-patterns, decision frameworks, and language-specific examples.
TypeScript/JavaScript project workflow guidelines using Bun package manager. Triggers on `.ts`, `.tsx`, `bun`, `package.json`, TypeScript. Covers bun run, bun install, bun add, tsconfig.json patterns, ESM/CommonJS modules, type safety, Biome formatting, naming conventions (PascalCase, camelCase, UPPER_SNAKE_CASE), project structure, error handling, environment variables, async patterns, and code quality tools. Activate when working with TypeScript files (.ts, .tsx), JavaScript files (.js, .jsx), Bun projects, tsconfig.json, package.json, bun.lock, or Bun-specific tooling.
Prepare and publish GitHub releases. Sanitizes code for public release (secrets scan, personal artifacts, LICENSE/README validation), creates version tags, and publishes via gh CLI. Trigger with 'release', 'publish', 'open source', 'prepare for release', 'create release', or 'github release'.
Get a second opinion from Gemini on code, architecture, debugging, or security. Uses gemini-coach CLI with AI-to-AI prompting for clear, actionable analysis. Trigger with 'ask gemini', 'gemini review', 'second opinion', 'peer review', or 'consult gemini'.
Send Google Chat messages via webhook — text, rich cards (cardsV2), threaded replies. Includes TypeScript types, card builder utility, and widget reference.