编码规范、框架、重构、代码审查（1.7万 个）
Guide planned rewrites and migrations toward a defined target architecture. Set explicit phase boundaries, allow scoped and reversible breakage where planned, and verify the result at each boundary and when the work is complete.
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Check benchmark results before reporting a speedup or slowdown. Review the bottleneck, production settings, physical limits, errors, repeatability, real-world relevance, and whether the measured work actually ran, then report the evidence and limits.
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Use this debugging guide to trace a failure back to the first incorrect decision or unhandled legitimate state. It recommends reproducing the issue, inspecting real errors and state, checking for the same pattern elsewhere, and avoiding guards that hide invalid states.
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Scaffold extensions for Super Agent Party as either a static HTML interface or a Node.js app with an Express backend. The guide covers package metadata, chat UI integration, optional MCP tools for AI agents, themes, localization, and responsive behavior.
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Use this skill to investigate slow PostgreSQL or MySQL workloads. It explains how to read execution plans, choose indexes, detect repeated queries, and consider connection pools, replicas, and partitioning when tuning database performance.
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Use this skill to handle advanced Git tasks such as working on branches in separate worktrees, finding a bug-introducing commit with bisect, cleaning up history, and recovering lost work. It also explains hooks and safer collaboration practices.
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Use this skill when building React 19 interfaces. It provides implementation patterns for Server Components, Actions, Suspense, hooks, and compound components, along with guidance on state placement and performance choices.
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Learn practical Redis patterns for caching, rate limiting, messaging, event processing, and atomic operations. The examples show how to choose between Pub/Sub and durable Streams, manage cache lifetimes, and avoid common production pitfalls.
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Use this skill to improve frontend loading and responsiveness. It offers patterns for React Server Components, streaming, code splitting, image and font handling, Core Web Vitals targets, and measuring real user performance.
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Guides Django project organization, database query optimization, Django REST Framework serializers, signals, and middleware. It helps structure business logic, reduce unnecessary database queries, validate API input, and spot common design pitfalls in a Django application.
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Use this skill to structure Next.js App Router applications, fetch data in Server Components, and manage caching and revalidation. It also covers middleware, Server Actions, route organization, and patterns for handling loading and error states.
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Design GraphQL schemas, resolvers, cursor-based pagination, typed mutation errors, and subscriptions. Use DataLoader—a batching tool that reduces repeated database lookups—to handle related fields efficiently, with guidance on modular schemas and query limits.
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Plan and implement real-time messaging with WebSocket, Socket.io, or Server-Sent Events (SSE), a one-way server-to-client stream. Covers connection authentication, reconnection, rooms, and scaling Socket.io across servers.
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Apply common Rust systems programming patterns for ownership and borrowing, traits, async work, error handling, and configuration builders. The skill also highlights safer concurrency, reduced cloning, and documented invariants for any unsafe code.
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Use this skill to write and organize Python projects with modern type hints, dataclasses, async code, packaging, and pytest. It offers concrete conventions for structuring data, handling errors, managing dependencies, and testing behavior.
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Use these patterns to build mobile interfaces with React Native or Flutter. Examples cover navigation, reusable components, scrollable lists, layouts for different screen sizes, and platform-specific behavior, with guidance on common implementation pitfalls.
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Provides implementation patterns for MCP servers, including tools, resource endpoints, prompt templates, and transport setup. It covers input validation, user-friendly error responses, secret redaction, and client configuration so developers can build composable server capabilities for AI clients.
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Use this skill to plan or implement web authentication and access control. It covers JWT access and refresh tokens, OAuth2 with PKCE, sessions, and role-based permissions, with code examples and a checklist of common security practices.
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Plan REST APIs with consistent resource URLs, HTTP methods, error responses, pagination, filtering, and versioning. It also covers writing an OpenAPI specification, a machine-readable API contract that can guide implementation and validation.
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Use this skill to identify and address common web performance issues. It covers bundle analysis and code splitting, lazy loading and image handling, caching headers, virtual lists for large datasets, and monitoring Core Web Vitals such as LCP, INP, and CLS.
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Use this skill to investigate PostgreSQL performance with query plans and statistics, then consider indexes, partitioning, JSONB operations, and connection pooling. It provides examples for diagnosing slow queries and matching database structures to query patterns.
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Use this skill to model complex data and application states with advanced TypeScript types. Examples cover constrained generics, conditional and mapped types, template literal types, discriminated unions, and runtime type guards, along with guidance for safer, clearer typing.
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Use this skill to plan microservices and their communication. It covers service boundaries, event-driven workflows, sagas with compensating steps, API gateways, health checks, and common coupling and reliability pitfalls.
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Structure Spring Boot applications with thin REST controllers, service-layer business logic, and JPA repositories. The patterns also cover DTOs, transaction boundaries, validation, exception handling, and fetching related data without common query inefficiencies.
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