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Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Visual regression testing captures screenshots of UI components and pages, then compares them across versions to detect unintended visual changes. This automated approach catches CSS bugs, layout issues, and design regressions that traditional functional tests miss.

Web performance audits measure load times, identify bottlenecks, and guide optimization efforts to create faster, better user experiences.

Use this skill after user selects an Agentica pattern.

Load with: base.md + [typescript.md | python.md]

LitGPT provides 20+ pretrained LLM implementations with clean, readable code and production-ready training workflows.

Implication : Core logic is framework-agnostic. When contributing or debugging, check if issue is in @xyflow/system or framework-specific package.

Comprehensive design rules for Apple Vision Pro based on Apple Human Interface Guidelines. These rules ensure spatial computing apps are comfortable, intuitive, and consistent with platform conventions.

When building infrastructure components, ensure they're actually invoked in the execution path.

Load with: base.md + (typescript.md or python.md)

Slow database queries are a common performance bottleneck. Optimization through indexing, efficient queries, and caching dramatically improves application performance.

This skill covers using OpenAI's embedding API with GrepAI for high-quality, cloud-based embeddings.

Social Graphics creates platform-specific visual content optimized for engagement. This skill teaches you to generate graphics that perform well on each platform.

File naming: *.remote.ts for remote function files

Source provenance, compatibility, automated checks, and current evidence depth are available on the full page.

Route user questions to specialized skills. If no skill matches, use general strategies from references/general-strategies.md .

E2E tests use Playwright. Located in apps/examples/e2e/ (SDK examples) and apps/dotcom/client/e2e/ (tldraw.com).

Implement comprehensive authentication strategies for APIs including JWT tokens, OAuth 2.0, API keys, and session management with proper security practices.

Strategic framework for creating uncontested market space that makes the competition irrelevant, based on simultaneous pursuit of differentiation and low cost.

ClinicalTrials.gov is a comprehensive registry of clinical studies conducted worldwide, maintained by the U.S. National Library of Medicine. Access API v2 to search for trials, retrieve detailed study information, filter by various criteria, and export data for analysis. The API is public (no authentication required)...

Implement comprehensive backup and disaster recovery strategies. Covers backup types, retention policies, restore testing, and recovery time objectives (RTO/RPO).

Testing patterns with Pest: Arrange-Act-Assert, proper mocking, null drivers, declarative factories.