productivity▌

Identifies and eliminates performance bottlenecks in Flutter apps through systematic profiling and targeted optimization. \n \n Provides a decision tree to diagnose jank on UI thread, Raster (GPU) thread, or both, with specific fixes for each \n Includes integration test templates using traceAction and TimelineSummary to establish performance baselines and measure frame budgets \n Covers UI optimization (localizing state, const constructors, StringBuffer usage) and Raster optimization (replacing

$21

Browser automation for cmux webviews with snapshot-based element targeting and state verification. \n \n Open surfaces, navigate, and verify URLs before acting; snapshot with --interactive to get fresh element references for clicks, fills, and selections \n Wait patterns support selectors, text content, URL changes, load states, and custom JavaScript functions with configurable timeouts \n Recommended workflow: navigate → verify URL → wait for load state → snapshot → act → snapshot again to hand

TanStack Query best practices for optimized data fetching, caching, mutations, and server state management in React. \n \n Covers 32 rules across 10 categories: query keys, caching strategies, mutations, error handling, prefetching, infinite queries, SSR integration, parallel queries, performance optimization, and offline support \n Each rule includes explanation, anti-patterns, recommended implementations, and contextual guidance for when to apply \n Prioritized by impact: critical rules preven

Comprehensive guidelines for building secure, performant Chrome extensions with Manifest V3. \n \n Covers full extension architecture including background Service Workers, content scripts, popup UI, and inter-component messaging with security best practices \n Emphasizes Manifest V3 compliance, least-privilege permissions, Content Security Policy implementation, and protection against XSS and injection attacks \n Includes Chrome API patterns for storage, tabs, runtime, alarms, and actions; async

Remove AI code slop \n Check the diff against main and remove AI-generated slop introduced in the branch. \n Focus Areas \n \n Extra comments that are unnecessary or inconsistent with local style \n Defensive checks or try/catch blocks that are abnormal for trusted code paths \n Casts to any used only to bypass type issues \n Deeply nested code that should be simplified with early returns \n Other patterns inconsistent with the file and surrounding codebase \n \n Guardrails \n \n Keep behavior u

Drizzle ORM schema definitions, type inference, and query patterns for PostgreSQL databases. \n \n Enforces snake_case naming (tables plural, columns lowercase), helper functions for timestamps, and ID prefixes for entity type distinction \n Provides type inference patterns ( $inferInsert , $inferSelect ) and schema validation via createInsertSchema \n Requires db.select() builder API for all queries; explicitly forbids the relational API ( findMany , with: ) due to fragile lateral join generati

Modern PHP development with strict typing, enterprise patterns, and framework expertise across Laravel and Symfony. \n \n Enforces PHP 8.3+ strict types, PSR-12 standards, and PHPStan level 9 static analysis on all code before delivery \n Scaffolds typed domain models, DTOs, value objects, services, repositories, and controllers with full dependency injection \n Generates PHPUnit and Pest tests with 80%+ coverage requirements; runs both test suites and static analysis as mandatory verification g

You are an expert in SystemVerilog for FPGA and ASIC design, verification, and hardware optimization.

Use this skill to guide or reason about the OpenSpec artifact-driven workflow system (OPSX), including artifact graphs, schema/template resolution, change lifecycle, and experimental commands/skills.