Technical Writing

Reusable logic for categorizing files as Command, Agent, Skill, or Documentation based on structure and content analysis

Central authority for Claude Agent SDK (TypeScript and Python SDKs). Covers SDK installation, authentication (Anthropic key, Bedrock, Vertex), sessions and resumption, forking sessions, streaming vs single mode, custom tools, permissions (allowedTools, disallowedTools, permissionMode), MCP integration, system prompts (CLAUDE.md, appendSystemPrompt, outputStyle), cost tracking, todo tracking, structured outputs, hosting patterns, plugins, and SDK branding guidelines. Assists with building custom agents, configuring SDK options, and troubleshooting SDK issues. Delegates 100% to docs-management skill for official documentation.

Set up conditional documentation loading to prevent context pollution. Use when organizing project docs, implementing progressive disclosure, or reducing CLAUDE.md token consumption with on-demand loading.

Write prompts for orchestrator workflows with phases and aggregation. Use when designing multi-phase workflows, writing agent command prompts, or implementing result aggregation patterns.

Comprehensive Go engineering guidelines for writing production-quality Go code. This skill should be used when writing Go code, performing Go code reviews, working with Go tools (gopls, golangci-lint, gofmt), or answering questions about Go best practices and patterns. Applies to all Go programming tasks including implementation, refactoring, testing, and debugging.

Single source of truth and librarian for ALL Cursor documentation. Manages local documentation storage, scraping, discovery, and resolution. Use when finding, locating, searching, or resolving Cursor documentation; discovering docs by keywords, category, tags, or natural language queries; scraping from llms.txt; managing index metadata (keywords, tags, aliases); or rebuilding index from filesystem. Run scripts to scrape, find, and resolve documentation. Handles doc_id resolution, keyword search, natural language queries, category/tag filtering, alias resolution, llms.txt parsing, markdown subsection extraction for internal use, hash-based drift detection, and comprehensive index maintenance.

Senior product manager for end-to-end product development from requirements to design. Use when users need: (1) Requirements analysis and product direction, (2) User personas and scenario analysis, (3) Feature and interaction design, (4) PRD writing, (5) Feasibility assessment. Triggers: product design, requirements, user persona, PRD, feature planning, MVP, user story. | 资深产品经理，负责需求分析到产品设计全流程。触发词：产品设计、需求分析、用户画像、PRD、功能规划、MVP、用户故事、产品方案。

TypeScript best practices. Use when writing TypeScript code for backend services, API handlers, or shared utilities. Applies async/await patterns, typed errors, and strict type safety.

Use this skill when working with the cool-mysql library for Go. This skill provides comprehensive guidance on using cool-mysql's MySQL helper functions, including dual connection pools, named parameters, template syntax, caching strategies, and advanced query patterns. Apply when writing database code, optimizing queries, setting up caching, or migrating from database/sql.

Research across Notion and synthesize into structured documentation; use when gathering info from multiple Notion sources to produce briefs, comparisons, or reports with citations.

Single source of truth and librarian for ALL Claude official documentation. Manages local documentation storage, scraping, discovery, and resolution. Use when finding, locating, searching, or resolving Claude documentation; discovering docs by keywords, category, tags, or natural language queries; scraping from sitemaps or docs maps; managing index metadata (keywords, tags, aliases); or rebuilding index from filesystem. Run scripts to scrape, find, and resolve documentation. Handles doc_id resolution, keyword search, natural language queries, category/tag filtering, alias resolution, sitemap.xml parsing, docs map processing, markdown subsection extraction for internal use, hash-based drift detection, and comprehensive index maintenance.

Review Python code ensuring strict type safety with Python 3.12+ conventions. Use when reviewing Python code, writing new Python code, or refactoring existing Python code.

Use when writing functional code - covers FP best practices (Lea differs from traditional FP languages)

Comprehensive LaTeX documentation from Overleaf Learn tutorials

Development: Documentation building and serving with MkDocs Material.Builds HTML documentation from markdown sources with auto-reload fordevelopment. Run from repository root with 'just docs-build' or'just docs-serve'. Use when developers need to build or preview docs.

Documentation pipeline automation and docs-as-code workflows

Expert documentation generation for hist-union workflows. Documents historical and incremental table combination strategies, schema validation, time-based partitioning, and backfill processes. Use when documenting hist-union layers.

Ruby language patterns and idioms. Use when writing Ruby code, reviewing diffs, or discussing Ruby style. Covers naming, conditionals, method organization, and the "fail loud" philosophy.

Expert in React Native native modules, bridging JavaScript and native code, writing custom native modules, using Turbo Modules, Fabric, JSI, autolinking, module configuration, iOS Swift/Objective-C modules, Android Kotlin/Java modules. Activates for native module, native code, bridge, turbo module, JSI, fabric, autolinking, custom native module, ios module, android module, swift, kotlin, objective-c, java native code.

Adaptive Python development guide with tiered complexity levels (Minimal/Standard/Full). Automatically selects appropriate guidance based on project context - from simple scripts (just clean Python code) to full production systems (complete tooling ecosystem). Covers modern conventions, testing, tooling, security, and best practices. Use when writing Python code, converting scripts, setting up projects, or building production systems. Keywords: PEP-8, Ruff, pytest, mypy, simple scripts, project structure, PyPI, packaging, type hints, clean code