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Found 6,254 Skills
Generates comprehensive API test suites using Jest, Vitest, or Supertest from Express, Next.js, Fastify, or other API routes. Creates integration tests, contract tests, and edge case coverage. Use when users request "generate api tests", "create endpoint tests", "api test suite", or "integration tests for api".
Archives completed changes and merges specification deltas into living documentation. Use when changes are deployed, ready to archive, or specs need updating after implementation. Triggers include "openspec archive", "archive change", "merge specs", "complete proposal", "update documentation", "finalize spec", "mark as done".
Create 600x600 Instagram-style card news series automatically with optional background images. User provides topic, colors, and optional images - Claude generates content and creates multiple cards with proper text wrapping.
Use when defining or adjusting marketing-to-sales assignment rules.
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.
Generates diverse AI user personas to autonomously test applications. Simulates beginners, power users, and users with accessibility needs to discover hidden UI/UX flaws.
Self-contained parallel generator — invoke directly, do not decompose. Generates 3-10 app variations in parallel for comparing ideas. Use when user says "explore options", "give me variations", "riff on this", "brainstorm approaches", or wants to see multiple interpretations of a concept.
Query Prometheus and Loki billing metrics from Grafana. Use when discussing observability costs, active series, ingestion rates, storage usage, or cardinality analysis.
Compile MQL5 indicators via CLI using X: drive mapping to bypass 'Program Files' path spaces issue. Use PROACTIVELY after editing ANY .mq5 or .mqh file. Triggers - after editing MQL5 code, compile, build, MetaEditor, .mq5, .mqh, indicator, script, EA, expert advisor, "test it", "try it", "run it", path space errors. (project)
Self-improving review loop for Ralph Wiggum skills. Reviews skills against best practices, implements improvements, and continues until two consecutive clean reviews. Use when validating or improving the ralph-prompt-* skill suite.
Presentation creation, editing, and analysis capabilities. When Claude needs to handle presentations (.pptx files): (1) Create new presentations, (2) Modify or edit content, (3) Manipulate layouts, (4) Add comments and presenter notes, and other presentation tasks
[Utilities] ⚡⚡⚡⚡ Bootstrap a new project automatically