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Provides expert-level database design with schema analysis, index optimization, and migration generation. Supports PostgreSQL, MySQL, MongoDB, and DynamoDB. Use when designing schemas, optimizing queries, planning migrations, or analyzing database performance.

Complete guide for dbt data transformation including models, tests, documentation, incremental builds, macros, packages, and production workflows

Deep analysis debugging mode for complex issues. Activates methodical investigation protocol with evidence gathering, hypothesis testing, and rigorous…

对照底层决策审查现有表层，并生成表层决策清单——词汇、对象一致性、完整性、反馈等。

Plan and review release execution for web, backend, and fullstack systems: preview releases, staging-to-production promotion, rollout strategy, post-deploy verification, rollback response, and release-hardening checklists. Use when the system can already build and the main job is shipping or recovering a release safely, choosing between preview / promotion / canary / rollback paths, or tightening deploy gates around health checks and sign-off. Route CI workflow authoring to `workflow-automation`, machine/runtime setup to `system-environment-setup`, long-lived telemetry design to `monitoring-observability`, and Vercel-specific operations to `vercel-deploy`.

Production deployment principles and decision-making. Safe deployment workflows, rollback strategies, and verification. Teaches thinking, not scripts.

Optimize Dart code for performance, type safety, and runtime error prevention. Use when profiling hot paths, enforcing sound typing, handling null safety, or…

Scrape e-commerce data for pricing, reviews, bestsellers, and seller discovery across 30+ platforms including Amazon, Walmart, eBay, Shopify, WooCommerce, and…

Decide when Git submodules are the right external-repo boundary, then choose one safe operator flow: add and pin, bootstrap recursively, sync to the recorded commit, advance a tracked branch, edit inside the submodule without detached-HEAD surprises, remove cleanly, or configure CI/hosted-platform checkout constraints. Use when the user asks about `.gitmodules`, `git submodule`, recursive clone/setup, pointer updates, detached HEAD, private submodules in CI, GitHub Pages submodule limits, or submodule vs subtree/vendoring/package delivery. Not for generic Git history cleanup or package-manager dependency delivery.

This skill should be used when searching, fetching, or downloading emails from Gmail. Use for queries like "search Gmail for...", "find emails from John",…

Use when adding authentication to Vanilla JS, Svelte, or any framework-agnostic single-page applications - integrates @auth0/auth0-spa-js SDK for SPAs without…

Audits web UI quality across accessibility, interaction, forms, typography, navigation, layout, performance, motion, and microcopy. Use when reviewing or…

Expert-level gRPC, Protocol Buffers, microservices communication, and streaming

Use when the user wants to automate capture of marketing screenshots for a SwiftUI iOS app across multiple locales, devices, or appearances. Covers full-screen…

Expert-level JavaScript testing skill focused on writing high-quality tests that find bugs, serve as documentation, and prevent regressions. Advocates for…

Guides writing, reviewing, and reasoning about modern Android UI code using Jetpack Compose. Covers best practices for state management, side effects, recomposition, navigation, Material 3 design, accessibility, and performance. Use when reading, writing, or reviewing any Jetpack Compose project.

Turn messy daily-sync requests into one honest coordination-cadence packet: decide whether live-daily, async-daily, hybrid-daily, less-frequent syncs, or no recurring standup is justified, then pick the lightest standup mode that still catches blockers and handoffs. Use when the user needs a daily scrum, async check-in, board-walk, blocker-first sync, remote-team standup, launch- week cadence reset, or help fixing an overlong / low-signal standup. Route backlog planning to `task-planning`, sizing to `task-estimation`, retrospective process repair to `sprint-retrospective`, and incident-command work to debugging / launch-specific skills.

Static Application Security Testing (SAST) tool setup, configuration, and custom rule creation for comprehensive security scanning across multiple programming…

Migrates Honcho Python SDK code from v1.6.0 to v2.1.1. Use when upgrading honcho package, fixing breaking changes after upgrade, or when errors mention…

Expert in Microsoft SQL Server development and administration. Use when writing T-SQL queries, optimizing database performance, designing schemas, configuring…