WebSocket "invalid frame header" errors often stem from raw HTTP being written to an upgraded socket, not actual frame corruption. The most common cause is multiple `WebSocketServer` instances conflic

Use when investigating errors, analyzing stack traces, or finding root causes of unexpected behavior. Invoke for error investigation, troubleshooting, log analysis, root cause analysis.

>

Query and analyze the AI Counsel decision graph to find past deliberations, identify patterns, and debug memory issues

Trace agent decision-making, tool selection, and reasoning chains

Advanced problem-solving skill using sequential thinking. Use for complex architectural decisions, debugging hard problems, or planning.

Given outputs from 5 research sub-agents (time-sliced or partitioned), validate and synthesize them into a coherent, citation-backed Markdown deep research report with deduplication, contradiction handling, and explicit debug visibility when inputs are missing or malformed.

Expert guidance for distributed training with DeepSpeed - ZeRO optimization stages, pipeline parallelism, FP16/BF16/FP8, 1-bit Adam, sparse attention

DeFi protocol expert ensuring correct data formats, types, denominations, and API structures. MUST be consulted before writing ANY protocol integration code. Triggers on ANY mention of Aave, Compound, Uniswap, Curve, Balancer, or DeFi terms like liquidation, swap, flash loan, health factor.

Automated dependency conflict detection and resolution. Detects local vs CI environment mismatches, compares versions, and generates pinning recommendations. Run as pre-push check to catch issues early.

Breakpoints, fluid typography, container queries ve modern CSS features.

Designs layout systems and responsive interfaces including grid systems, flexbox patterns, sidebar layouts, and responsive breakpoints. Use when structuring app layouts, building responsive designs, or creating complex page structures.

체계적인 디버깅(Systematic Debugging) 절차를 통해 버그의 원인을 찾고 해결합니다. (Source: obra/superpowers)

This skill should be used when debugging Vue Flow canvas issues involving nested nodes, parent-child relationships, position coordinate systems, and containment detection. Triggers on nested group problems, section nodes jumping, parent-child synchronization bugs, position persistence issues, and coordinate transformation errors in Vue Flow implementations.

DEBUG when Vue components won't update, computed properties are stale, or watchers not firing. Fix reactivity issues with ref(), reactive(), Pinia stores, and component state. Use when UI is not updating despite state changes.

This skill should be used when the user asks to 'debug', 'fix bug', 'investigate error', 'why is it broken', 'trace root cause', 'find the bug', or needs systematic bug investigation and fixing with verification-driven methodology using ralph loops.

DEBUG keyboard shortcuts not working, conflicting hotkeys, and event handling issues. Fix when Ctrl+Z, Ctrl+S, or other shortcuts fail. Use for global keyboard handlers, event conflicts, and shortcut key debugging.

DEBUG Pinia store state not updating, persistence conflicts, and store synchronization issues. Fix when store actions don't work, state gets stale, or localStorage hydration problems occur. Use when Pinia stores behave unexpectedly.

DEBUG Pomodoro timer state issues, incorrect countdown behavior, and timer synchronization problems. Fix when timer won't start, time display is wrong, or timer gets stuck. Use for timer state management, countdown logic, and session persistence.

Master skill for all Frontend Vue 3 development. Covers Components, Pinia, VueUse, Reactivity, CSS, and UI/UX.

Core R3F/Three.js performance optimization principles. Use when FPS drops below 60.

将系统设计分解为可执行、可追踪的开发任务。

Use when creating, modifying, or debugging Buildkite pipeline YAML files - ensures current syntax from official docs, validates configurations before proposing changes, and references Buildkite best practices instead of relying on training data

Use when building GTK 4/libadwaita applications; before writing app boilerplate; when debugging threading, signals, or lifecycle issues; when setting up GSettings, resources, or packaging; delegates UI/widget decisions to designing-gnome-ui skill

ANYTHING related to SolidWorks. Writes, modifies, and debugs C# code that interacts with SolidWorks. Use when working with .cs or .csproj files that (will) reference SolidWorks SDK, SolidWorks.Interop assemblies, COM interop with SolidWorks.

Manages Bestays infrastructure including Docker Compose, Dockerfile creation, Makefile workflows, service orchestration, production migrations, and backups. Use when managing containers, adding services, deploying to VPS, running migrations, or setting up infrastructure. Acts as a self-updating knowledge index that points to authoritative sources.

Query and analyze Claude Code history joined with Git data using SQL. Use when user asks about their Claude conversations, productivity patterns, commit history correlation, session analytics, or wants to explore their coding history with SQL queries.

diagnose

A comprehensive collection of Agent Skills for context engineering, multi-agent architectures, and production agent systems. Use when building, optimizing, or debugging agent systems that require effective context management.

Recognize breakthrough moments, blocking resolutions, and design decisions worth preserving. Detect high-value insights that save future time. Suggest distillation at valuable moments, not routine work.

Use when working on worker implementation, ServiceOrchestrator patterns, WorkerAPIBase, operation dispatch, progress tracking, cancellation, backend-to-worker communication, or adding new worker types.

Debug Django REST Framework API issues including serializers, viewsets, permissions, pagination, filtering, and response formatting. Use when troubleshooting API endpoints, serialization errors, permission denials, or unexpected response data.

Django Redis caching with django-cacheops. This skill should be used when implementing caching, adding cache invalidation, optimizing API performance, modifying models that affect cached data, or debugging cache-related issues in the Django backend.

dlt (data load tool) patterns for SignalRoom ETL pipelines. Use when creating sources, debugging pipeline failures, understanding schema evolution, or implementing incremental loading.

Container debugging and troubleshooting techniques for production issues

Docker Compose orchestration and Makefile commands for the development environment. Use this skill when managing containers, debugging services, running make commands, or troubleshooting Docker issues.

Docker container and image management including logs, stats, and compose operations. Use when managing Docker containers, debugging container issues, or working with Docker Compose.

VaultCPA Docker operations guide including common commands, troubleshooting, deployment procedures, and container management. Use when working with Docker, deploying services, or debugging container issues.

Docker Compose orchestration for Vigil Guard v2.0.0 microservices (11 services). Use when deploying services, managing containers, troubleshooting Docker network issues, working with vigil-net, configuring docker-compose.yml, handling service dependencies, or working with 3-branch detection services (heuristics, semantic, prompt-guard).

Retrieve documentation context from local ai-docs. Check here first when implementing features, debugging errors, or needing library information. Fall back to web search if topic not found locally.

Generate structured markdown documents (PRDs, tasks, investigation plans) from templates based on workflow type. Creates directory structure and manages document lifecycle for feature, bug, and plan workflows.

Understand and work with mortgage document types and classification. Use when asking about document types, adding new document support, debugging classification, or understanding what DocType constants mean.

Create symptom-based debugging documentation that matches how developers actually search for solutions

dojo-debug

Comprehensive assistance with dokploy

Configure domain routing and Cloudflare DNS for sgcarstrends.com and subdomains. Use when adding new services, updating domain patterns, or debugging DNS issues.

Expert guidance for peterstorm's NixOS dotfiles repository using flake-parts architecture. Use this skill when working with: NixOS system configuration, home-manager user configurations, flake-parts modular architecture, role-based configuration patterns (host.mkHost, user.mkHMUser), SOPS secrets management with Age encryption and template-based API, Terraform infrastructure for Kubernetes, ArgoCD GitOps patterns, k3s homelab setup, xmonad window manager configuration, neovim Lua configuration, or any task involving this dotfiles repository structure. Triggers on questions about adding hosts, users, roles, secrets, understanding the architecture, or debugging NixOS/home-manager builds.

Validates code and provides physics reasoning for the 2-D injection-production doublet model using streamline methods. Use when modifying streamline geometry, transport calculations (hydrodynamic, chemical, thermal), breakthrough curves, or Green's function kernels. Also use when debugging simulation behavior or explaining physics concepts.

DDEV local development environment patterns for Drupal, including configuration, commands, database management, debugging tools, and performance optimization.

DSIM simulator debugging and troubleshooting. Use when investigating compilation errors, runtime failures, waveform analysis, or DSIM environment issues.