Creates comprehensive API reference documentation following Diátaxis Reference pattern. Reads source code to verify every method signature, creates structured API docs with zero fabrication tolerance. Use when documenting APIs, packages, or public interfaces.

Standardize API contracts across all endpoints for consistency and developer experience.

Apply when designing error responses, implementing error handlers, and ensuring consistent error format across APIs.

Configures API gateways for routing, authentication, rate limiting, and request transformation in microservice architectures. Use when setting up Kong, Nginx, AWS API Gateway, or Traefik for centralized API management.

API design principles and decision-making. REST vs GraphQL vs tRPC selection, response formats, versioning, pagination.

Create complete REST API CRUD operations using API Platform 4 with DDD and CQRS patterns. Use when adding new API resources, implementing CRUD endpoints, creating DTOs, configuring operations, or setting up state processors. Follows the repository's hexagonal architecture with YAML resource configuration and command bus pattern.

Best practices for Laravel API Resources including resource transformation, collection handling, conditional attributes, and relationship loading.

API response wrapper patterns for consistent, predictable REST APIs in ABP Framework. Use when: (1) designing uniform API response contracts, (2) implementing success/error response wrappers, (3) handling pagination and metadata, (4) standardizing error responses.

Apply when designing RESTful APIs, defining endpoints, HTTP methods, status codes, and response formats.

Provides guidelines for applying Mantel's brand styles to diagrams and frontend components. Use when asked to create visuals that need to align with Mantel's branding.

Build investment systems in the style of AQR Capital Management, the quantitative investment firm pioneering factor investing. Emphasizes academic rigor, transparent methodology, and systematic factor exposure. Use when building factor models, conducting asset pricing research, or designing systematic portfolios.

Strategic guidance for designing modern data platforms, covering storage paradigms (data lake, warehouse, lakehouse), modeling approaches (dimensional, normalized, data vault, wide tables), data mesh principles, and medallion architecture patterns. Use when architecting data platforms, choosing between centralized vs decentralized patterns, selecting table formats (Iceberg, Delta Lake), or designing data governance frameworks.

Comprehensive frontend architecture analyzer that identifies technology stacks, build tools, and architectural patterns. Use when you need to quickly understand a project's structure, dependencies, and technical configuration. Provides analysis for Vue/React/Angular frameworks, Node.js environments, package managers, TypeScript usage, linters, and architecture patterns with multiple output formats including executive summaries and visualizations.

Create and maintain architecture documentation with Mermaid diagrams. Use when writing technical documentation, system diagrams, or updating the implementation plan.

Detect clean architecture layer violations and check dependency rule violations. Verify dependency direction of events→facades→services→repository.

Guide for extracting architectural diagrams, flowcharts, and sequence diagrams into a structured JSON format. Use this skill when you need to transform a visual or textual description of a system architecture or workflow into a clear, structured JSON representation.

Complete commit workflow - format, archive, update changelog, and commit in one operation.

ascii-art-explainer

Convert .cast recordings to .txt for analysis. TRIGGERS - convert cast, cast to txt, strip ANSI, batch convert.

Organize design assets, optimize images and fonts, maintain brand asset libraries, implement version control for assets, and enforce naming conventions. Keep design assets organized and production-ready.

Organize all outputs from slash commands and subagents in assets/ directory by topics, date format, and slugs.

AI assistant behavior rules including response formatting and interaction patterns

Expert skill for abstract syntax tree design, traversal, transformation, and manipulation patterns

Checks an AsyncRedux (Flutter) action's completion status using ActionStatus right after the dispatch returns. Use only when you need to know whether an action completed, whether it failed with an error, what error it produced, or how to navigate based on success or failure.

Implement comprehensive error handling for actions. Covers the `wrapError()` method for action-level error wrapping, GlobalWrapError for app-wide error transformation, ErrorObserver for logging/monitoring, and the error handling flow (before → reduce → after).

Convert PyTorch AT_DISPATCH macros to AT_DISPATCH_V2 format in ATen C++ code. Use when porting AT_DISPATCH_ALL_TYPES_AND*, AT_DISPATCH_FLOATING_TYPES*, or other dispatch macros to the new v2 API. For ATen kernel files, CUDA kernels, and native operator implementations.

Search and retrieve information from Jira and Confluence using the atlassian-cli tool. Use this skill to find issues, search documentation, manage projects, and track sprints in Atlassian products.

Context providers dynamically inject information into agent system prompts at runtime. They enable agents to access current data without modifying the base prompt.

Knowledge about attempt tracking and gating patterns for task execution

Use when controlling where the audience looks—composing shots, choreographing action, revealing information, or any situation requiring clear visual hierarchy and focus management.

Use when wrong elements get attention, important content is missed, or visual hierarchy is broken by animation

Convert audio files between formats (MP3, WAV, FLAC, OGG, M4A) with bitrate and sample rate control. Batch processing supported.

FFmpeg audio processing, batch editing, normalization, mixing, and automated audio production workflows. Use when processing audio at scale, automating editing tasks, or building audio pipelines.

从视频文件中提取音频。Use when user wants to 提取音频, 抽取音频, 视频转音频, 导出音频, extract audio, video to audio, get audio from video, 把视频的声音提取出来.

Audio and video processing with FFmpeg, WebRTC, and streaming. Covers transcoding, format conversion, real-time communication, and media pipelines. Use for video processing, live streaming, or audio manipulation.

auth-shield

Show current auto session status, progress, and any pending gates. Activates for: auto status, auto status, session status, check auto.

auto-validate

Build automation, task runners, and scripting tools

Comprehensive AWS cloud services skill covering S3, Lambda, DynamoDB, EC2, RDS, IAM, CloudFormation, and enterprise cloud architecture patterns with AWS SDK

Explore an AWS account and collect comprehensive information about its infrastructure.

Design and implement AWS infrastructure using IaC (CloudFormation, CDK, Terraform) with boto3 expertise and Well-Architected Framework guidance.

AWS SSO discovery, configuration, and terminal usage

Integrate your Alexa Skill with a backend Lambda function with ease, on Sigma IDE

Use when localizing apps, using String Catalogs, generating type-safe symbols (Xcode 26+), handling plurals, RTL layouts, locale-aware formatting, or migrating from .strings files - comprehensive i18n patterns for Xcode 15-26

Azure DevOps Wiki management skill. Use when working with Azure DevOps wikis for: (1) Creating and organizing wiki pages - provisioned or code-as-wiki, (2) Markdown formatting - TOC, Mermaid diagrams, YAML metadata, code blocks, (3) Wiki structure - .order files, subpages, attachments, (4) Best practices - naming conventions, navigation, searchability, (5) CLI operations - az devops wiki commands, (6) Git-based wiki workflows - clone, edit offline, push changes. Supports both provisioned wikis and published code wikis.

Searches across your Notion workspace, synthesizes findings from multiple pages, and creates comprehensive research documentation saved as new Notion pages. Turns scattered information into structured reports with proper citations and actionable insights.

Work with site archive structure and metadata XML patterns. Use when adding custom attributes, system object extensions, site preferences, or understanding import/export XML schemas. Covers directory structure and XML file formats for site archives.

backend-python