Bug investigation, root cause analysis (RCA), reproduction steps, and impact assessment. Investigation-only agent that identifies why bugs occur and where to fix them without writing code.

Crawl and scraping systems architecture — distributed crawler topology, URL frontier management, politeness policy, and compliance architecture. Architecture-only (no execution code). Use when crawl system architecture is needed. Don't use for single-page scraping (Navigator) or ETL pipelines (Stream).

Converts repository changes into detailed learning documents. Use when turning diffs into teaching materials, recording design decisions, or creating onboarding materials for new members.

Session replay analysis, persona-based behavioral pattern extraction, and UX issue storytelling. A behavioral archaeologist who reads the 'why' from actual user operation logs. Collaborates with Researcher/Echo for persona validation.

Workflow and state machine design agent. Use when state transition design, invalid transition detection, Saga patterns, or approval flow design is needed.

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Create, update, and query issues, projects, cycles in Linear via its GraphQL API. Use when the user wants to interact with Linear programmatically without the MCP server installed.

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Delegate real-world tasks to human workers via the OpenHumancy API. Use when the user needs physical actions (field verification, photography, deliveries, mystery shopping), human judgment, or any task that requires a person. Manages the full lifecycle — worker search, task creation, chat, payments on the TON blockchain.

Comprehensive guide for building LLM applications with LlamaIndex, including data loaders, indexes, query engines, chat engines, vector stores, retrievers, agents, evaluation, streaming, and observability.

Python 2D game development - sprites, surfaces, events, sound, fonts, game loops, collision detection, and input handling

统一写作流水线。任何文档/文章/报告均走此流程：研究→草稿→逻辑自检→真实性校对→画图规划→批量画图→图片自审→审稿→格式转换（HTML/LaTeX/MD）。可从任意阶段入场（已有草稿直接审核，已审稿直接转格式）。触发词：「写一篇/帮我写/写一份/我有初稿了/帮我检查逻辑/帮我配图/从画图开始/从[Stage名称]开始继续/转成HTML/转成LaTeX」。注意：「只要审稿」请直接触发 article-proofreading；「帮我审稿」不触发本 Skill。

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Extract balance sheet, income statement, shares outstanding, organic growth, and GAAP reconciliation data from financial PDFs. Standardize via Tiger-Transformer and append structured output to the document markdown.

Dispatcher skill. Your job (as the main thread) is to **mentor** the `domain-playwright-lead` subagent while it builds a production-grade Python Playwright script by driving MCP browser tools one veri

Read, write, and query Apple Health data using HealthKit. Covers HKHealthStore authorization, sample queries, statistics queries, statistics collection queries for charts, saving HKQuantitySample data, background delivery, workout sessions with HKWorkoutSession and HKLiveWorkoutBuilder, HKUnit, and HKQuantityTypeIdentifier values. Use when integrating with Apple Health, displaying health metrics, recording workouts, or enabling background health data delivery.

Build augmented reality experiences with RealityKit and ARKit on iOS. Use when adding 3D content with RealityView, loading entities and models, placing objects via raycasting, configuring AR camera sessions, handling world tracking, scene understanding, or implementing entity interactions and gestures.

Build 3D scenes and visualizations using SceneKit. Use when creating 3D views with SCNView and SCNScene, building node hierarchies with SCNNode, applying materials and lighting, animating with SCNAction, simulating physics with SCNPhysicsBody, loading 3D models (.usdz, .scn), adding particle effects, or embedding SceneKit in SwiftUI with SceneView. Note: SceneKit was deprecated at WWDC 2025 and is in maintenance mode; RealityKit is recommended for new projects.

You are an expert in mobile app launches with experience across indie apps and top-charting products. Your goal is to create a comprehensive launch plan that maximizes day-one visibility and sustains

Create a new App Store Connect app record via browser automation. Use when there is no public API for app creation and you need an agent to drive the New App form.

Resize and validate App Store screenshots for all device classes using macOS sips. Use when preparing or fixing screenshots for App Store Connect submission.

Build LLM applications with LangChain and LangGraph. Use when creating RAG pipelines, agent workflows, chains, or complex LLM orchestration. Triggers on LangChain, LangGraph, LCEL, RAG, retrieval, agent chain.

Create diagrams and visualizations using Mermaid syntax. Use when generating flowcharts, sequence diagrams, class diagrams, entity-relationship diagrams, Gantt charts, or any visual documentation. Triggers on Mermaid, flowchart, sequence diagram, class diagram, ER diagram, Gantt chart, diagram, visualization.

Configures deep linking in Flutter using Android App Links (assetlinks.json) and iOS Universal Links (apple-app-site-association) integrated with GoRouter v17.x navigation. Use this skill when setting up HTTPS domain association, handling magic links or email verification links, routing marketing campaign URLs (Google Ads, Facebook Ads) into the app, implementing password reset or invite flows via deep links, fixing deep link verification failures, troubleshooting GoRouter deep link integration, or any time the words 'deep link', 'universal link', 'app link', 'assetlinks', 'AASA', 'magic link', or 'deeplinking' appear in the request. Avoids deprecated custom URL schemes (myapp://).

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PixiJS — fast, lightweight 2D rendering library for the web.

PixiJS v8 — fast 2D WebGL/WebGPU rendering engine. Covers Application setup, scene graph, sprites, graphics, text, assets, filters, events, and the ticker system.

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Use when helping users configure LoRA training — select presets, understand parameters, and pick the right settings for their model type. Covers SD1.5, SDXL, SD3, and Flux1 with real-world presets.

Use when communicating with neurodivergent users — adapts response structure, clarity, and pacing for ADHD, autism, and other neurotypes. Recommended base for all nd-* skills.

Use when user has ADHD or attention differences — tracks current task, catches conversation drift, and nudges back on topic without judgment or guilt.

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Protect email pipelines from injection attacks, phishing, content manipulation, and AI agent exploitation. Use when building inbound email processing, sanitizing email content, detecting phishing or BEC, securing AI agents that read email, or hardening email infrastructure against spoofing and data exfiltration.

Receive, parse, and process incoming email via provider webhooks. Use when setting up inbound email handling, parsing MIME messages, extracting content from replies, detecting threads, filtering spam on inbound, or routing incoming messages.

Build dashboards, alerts, and monitoring systems for email sending operations. Use when setting up deliverability monitoring, configuring alert thresholds, checking blocklists, building email metrics dashboards, or responding to deliverability incidents.

Parse Cisco switch terminal log files (.log) into structured JSON. Covers IOS, IOS-XE, and NX-OS platforms. Use when asked to parse switch logs, extract network device info, build topology from CDP, or structure Cisco CLI output.

IMO-style verification-and-refinement loop. Iteratively verifies a proof via the external LLM, extracts structured bug reports, applies fixes, and requires 5 consecutive passes for acceptance.

Integrated analysis of expression, mutation, copy number, and methylation data from TCGA and GEO for solid tumor characterization.

Navigate French notarial acts — fee calculation (emoluments), succession, donation, SCI creation, property transfer, and regulated fee schedules.

Create data-rich, interactive HTML presentations with charts, architecture diagrams, code highlighting, and professional styling. Use when the user wants to build a presentation with data visualization, technical diagrams, metrics dashboards, or code examples. Supports Chart.js, ECharts, D3, CSS/HTML diagrams, inline SVG, Prism.js code highlighting, and 6 curated style presets.

Write clear, developer-first copy for Zed — leading with facts, grounded in craft.

Bypass Cloudflare and anti-bot protections using headless Chrome. When a URL is blocked, don't retry with HTTP clients — launch a real browser.

Convert a single-file HTML slide deck into a pixel-perfect PPTX by rendering it in headless Chrome, taking a full-page screenshot, slicing it into per-slide images with Pillow, and packing them into a PowerPoint file. Use when the user has an HTML presentation and wants a .pptx export.

This skill is for *using* a Looker Studio dashboard through the CLI — extracting values, understanding its pages and filters, exporting data, and exploring how numbers change under different filter co

The goal is to catch drift between what the dashboard displays and what the source workbook actually contains, both in the default view and under each filter.

Build and query AI-powered knowledge bases from claude-mem observations.