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nginx-request-logging
Guide for configuring Nginx web server with custom request logging, rate limiting, and error pages. This skill should be used when tasks involve Nginx installation, configuration, custom log formats, rate limiting setup, or custom error page creation.
FFmpeg Audio Processing
Extract, normalize, mix, and process audio tracks - audio manipulation and analysis
memory
Imported from https://github.com/cyberkaida/reverse-engineering-assistant.
verification-before-completion
Enforces a verification gate before claiming task completion. Requires running specific commands and checking outputs before making success statements. Prevents premature "done" claims by mandating evidence collection.
onboard
This skill helps developers get started with existing codebases by analyzing project structure, detecting tech stack, and creating a continuity ledger. It uses RepoPrompt for exploration and provides clear steps for brownfield project onboarding.
lean4-memories
This skill should be used when working on Lean 4 formalization projects to maintain persistent memory of successful proof patterns, failed approaches, project conventions, and user preferences across sessions using MCP memory server integration
astral-uv
Fast Python package and project management using Astral's uv. Use when installing packages, managing virtual environments, running Python scripts, or initializing Python projects. Triggers on: pyproject.toml, requirements.txt, Python dependency discussions, virtual environment setup.
image_editing
Comprehensive command-line tools for modifying and manipulating images, such as resize, blur, crop, flip, and many more.
arxiv-search
Retrieve paper metadata from arXiv using keyword queries and save results as JSONL (`papers/papers_raw.jsonl`). **Trigger**: arXiv, arxiv, paper search, metadata retrieval, 文献检索, 论文检索, 拉取元数据, 离线导入. **Use when**: 需要一个初始论文集合（survey/snapshot 的 Stage C1），来源为 arXiv（在线检索或离线导入 export）。 **Skip if**: 已经有可用的 `papers/papers_raw.jsonl`，或数据源不是 arXiv。 **Network**: 在线检索需要网络；离线 `--input <export.*>` 不需要网络。 **Guardrail**: 只做 metadata；不要在 `output/` 写长 prose。
finite-horizon-lqr
Solving finite-horizon LQR via dynamic programming for MPC.
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
translate skill
Use this skill when you are doing localization and translation work.
market-news-analyst
This skill should be used when analyzing recent market-moving news events and their impact on equity markets and commodities. Use this skill when the user requests analysis of major financial news from the past 10 days, wants to understand market reactions to monetary policy decisions (FOMC, ECB, BOJ), needs assessment of geopolitical events' impact on commodities, or requires comprehensive review of earnings announcements from mega-cap stocks. The skill automatically collects news using WebSearch/WebFetch tools and produces impact-ranked analysis reports. All analysis thinking and output are conducted in English.
options-strategy-advisor
Options trading strategy analysis and simulation tool. Provides theoretical pricing using Black-Scholes model, Greeks calculation, strategy P/L simulation, and risk management guidance. Use when user requests options strategy analysis, covered calls, protective puts, spreads, iron condors, earnings plays, or options risk management. Includes volatility analysis, position sizing, and earnings-based strategy recommendations. Educational focus with practical trade simulation.
cost-optimization
Provides expert cloud cost optimization strategies across AWS, Azure, and GCP, implementing FinOps principles to reduce expenses through right-sizing, reserved instances, savings plans, storage tiering, and continuous optimization for significant savings.
golden-dataset-validation
Validation rules, schema checks, duplicate detection, and coverage analysis for golden dataset integrity
safeword-bdd-orchestrating
A BDD orchestrator that guides feature development through defined phases from behavior definition to TDD implementation. It tracks progress via ticket phases, validates scenarios for atomicity/observability/determinism, and hands off to TDD for implementation. Useful for multi-file features with new state or flows.
create_handoff
Creates structured handoff documents for transferring work between Claude sessions. Automates file naming with metadata collection, includes session outcome tracking, and provides clear templates for task status, learnings, and next steps.
subagent-creator
Provides structured guidance for creating Claude subagents with clear templates, tool selection advice, and practical examples. Helps users build autonomous agents that run via Task tool with proper isolation and tool restrictions.
remembering-conversations
Use when user asks 'how should I...' or 'what's the best approach...' after exploring code, OR when you've tried to solve something and are stuck, OR for unfamiliar workflows, OR when user references past work. Searches conversation history.
agent-creator
Provides a structured 4-phase methodology for creating specialized Claude agents with detailed templates for system prompts, domain analysis, and integration patterns. Includes specific command usage guidelines and validation gates.
typescript-advanced-types
Provides detailed examples and patterns for TypeScript's advanced type features like generics, conditional types, and mapped types. Includes practical patterns for type-safe event emitters and API clients. Covers core concepts with clear code samples.
Provides Python code examples and CLI commands for common PDF tasks: extract text/tables, merge/split files, create new PDFs, handle forms, and apply watermarks. Covers pypdf, pdfplumber, reportlab, and command-line tools like qpdf and pdftotext.
test-writer
This skill generates unit test files for functions and classes across multiple frameworks. It analyzes code structure, identifies test cases including edge conditions, and produces test files following AAA pattern with proper mocking and fixtures. Supports Python (pytest/unittest) and JavaScript (jest) with clear workflow documentation.