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Found 7,613 Skills
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".
Analyze dependencies for known security vulnerabilities and outdated versions. Use when auditing third-party libraries. Trigger with 'check dependencies', 'scan for vulnerabilities', or 'audit packages'.
Complete Git expertise system for ALL git operations. PROACTIVELY activate for: (1) ANY Git task (basic/advanced/dangerous), (2) Repository management, (3) Branch strategies and workflows, (4) Conflict resolution, (5) History rewriting/recovery, (6) Platform-specific operations (GitHub/Azure DevOps/Bitbucket), (7) Advanced commands (rebase/cherry-pick/filter-repo). Provides: complete Git command reference, safety guardrails for destructive operations, platform best practices, workflow strategies, reflog recovery techniques, and expert guidance for even the most risky operations. Always asks user preference for automatic commits vs manual control.
Automate Wave Accounting tasks via Rube MCP (Composio): invoices, customers, payments, and small business accounting. Always search tools first for current schemas.
Generate Jest unit tests for JavaScript/TypeScript with mocking, coverage. Use for JS/TS modules, React components, test generation, or encountering missing coverage, improper mocking, test structure errors.
C# patterns for Unity - MonoBehaviour, async, architecture, and VR/mobile performance optimization
DESIGN-CATALOG
Convert entire PDF documents to clean, structured Markdown for full context loading. Use this skill when the user wants to extract ALL text from a PDF into context (not grep/search), when discussing or analyzing PDF content in full, when the user mentions "load the whole PDF", "bring the PDF into context", "read the entire PDF", or when partial extraction/grepping would miss important context. This is the preferred method for PDF text extraction over page-by-page or grep approaches.
Complete Shopify development reference for Liquid templating, theme development (OS 2.0), GraphQL Admin API, Storefront API, custom app development, Shopify Functions, Hydrogen, performance optimisation, and debugging. Use when working with .liquid files, creating theme sections and blocks, writing GraphQL queries or mutations for Shopify, building Shopify apps with CLI and Polaris, implementing cart operations via Ajax API, optimising Core Web Vitals for Shopify stores, debugging Liquid or API errors, configuring settings_schema.json, accessing Shopify objects (product, collection, cart, customer), using Liquid filters, creating app extensions, working with webhooks, migrating from Scripts to Functions, or building headless storefronts with Hydrogen and React Router 7. Covers API version 2026-01.
Comprehensive TDD patterns and practices for all programming languages, eliminating redundant testing guidance per agent.
Homebrew formula maintenance workflows for Python CLIs and taps, including version bumps, SHA/resource updates, testing, audits, and releases.
Reads Excel (.xlsx) files and converts to Markdown format. Handles multiple sheets and large tables. Use when needing to read Excel spreadsheets. Requires openpyxl package.