Asset building, manifest format, hash verification, and boot-time resolution for Capsem VM images. Use when debugging boot failures, manifest issues, hash mismatches, or understanding how assets flow from build to boot.

- Find why a run is stuck, retrying, or failing.

Next.js App Router expert guidance. Use when building, debugging, or architecting Next.js applications — routing, Server Components, Server Actions, Cache Components, layouts, middleware/proxy, data fetching, rendering strategies, and deployment on Vercel.

Turbopack expert guidance. Use when configuring the Next.js bundler, optimizing HMR, debugging build issues, or understanding the Turbopack vs Webpack differences.

Vercel Cron Jobs configuration and best practices. Use when adding, editing, or debugging scheduled tasks in vercel.json.

Vercel Observability expert guidance — Drains (logs, traces, speed insights, web analytics), Web Analytics, Speed Insights, runtime logs, custom events, OpenTelemetry integration, and monitoring dashboards. Use when instrumenting, debugging, or optimizing application performance and user experience on Vercel.

Vercel Functions expert guidance — Serverless Functions, Edge Functions, Fluid Compute, streaming, Cron Jobs, and runtime configuration. Use when configuring, debugging, or optimizing server-side code running on Vercel.

Orchestrated debugging coordinator. Triggers on frustration signals (stuck, hung, broken, waiting) and systematically triages: runtime logs → workflow status → browser verify → deploy/env. Reports findings at every step.

Set browser-game architecture before implementation. Use when the user needs engine choice, simulation and render boundaries, input model, asset organization, or save/debug/performance strategy.

Develop, debug, and manage Temporal applications across Python, TypeScript, Go, and Java. Use when the user is building workflows, activities, or workers with a Temporal SDK, debugging issues like non-determinism errors, stuck workflows, or activity retries, using Temporal CLI, Temporal Server, or Temporal Cloud, or working with durable execution concepts like signals, queries, heartbeats, versioning, continue-as-new, child workflows, or saga patterns.

Debug failed Render deployments by analyzing logs, metrics, and database state. Identifies errors (missing env vars, port binding, OOM, etc.) and suggests fixes. Use when deployments fail, services won't start, or users mention errors, logs, or debugging.

Implement browser-game runtimes with plain Three.js. Use when the user wants imperative scene control in TypeScript or Vite with GLB assets, loaders, physics, and low-level WebGL debugging.

Add lightweight runtime telemetry and debug instrumentation to macOS apps, then verify those events after building and running. Use when wiring `Logger` / `os.Logger`, adding log points for window/sidebar/menu-bar actions, reading runtime logs from Console or `log stream`, or confirming that expected events fire after a local run.

Learn how to integrate Langfuse with Agno via OpenTelemetry

Common problems and how to fix them, organized by symptom.

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Leverages Gemini 3.0 Pro's vision capabilities to analyze screenshots, videos, and PDFs for debugging and context ingestion. USE WHEN you need the AI to "see" a problem or extract structure from visua

Track data origin, transformations, and flow through construction systems. Essential for audit trails, compliance, and debugging data issues.

Use when a user asks to debug or fix failing GitHub PR checks that run in GitHub Actions;

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lovable-setup

Custom themed scrollbars for macOS WKWebView apps. Use when styling scrollbars in the native macOS app, fixing scrollbar theming issues, implementing custom scroll containers that work in WKWebView, or debugging scroll position persistence issues with tabs.

Comprehensive assistance with mailgun

Common malware behaviors and analysis patterns

How secrets are stored, decrypted, and used on the devbox. Use when adding, removing, or debugging secrets.

Supabase CLI for database management, Edge Functions, migrations, and local development. Use for managing Postgres databases, deploying serverless functions, and debugging Supabase projects.

Vercel platform CLI for frontend deployments, serverless functions, and edge network management. Use for deploying applications, managing domains, environment variables, and debugging deployments.

Runtime mapper validation using debug logs to detect missing fields

Assistant for creating, editing, and debugging reactive Python notebooks with marimo. Use when you need to build marimo notebooks, debug reactive execution, add interactive UI elements, or convert traditional notebooks to marimo format. Provides code patterns, utility functions, and best practices for marimo development.

Debugging constant Markov regime features in RL observations - when HMM probabilities show uniform values instead of dynamic regime estimates

Build stateful AI agents and agentic workflows with LangGraph in Python. Covers tool-using agents with LLM-tool loops, branching workflows, conversation memory, human-in-the-loop oversight, and production monitoring. Use when - (1) building agents that use tools and loop until task complete, (2) creating multi-step workflows with conditional branches, (3) adding persistence/memory across turns with checkpointers, (4) implementing human approval with interrupt(), (5) debugging via time-travel or LangSmith. Covers StateGraph, nodes, edges, add_conditional_edges, MessagesState, thread_id, Command objects, and ToolMessage handling. Examples include chatbots, calculator agents, and structured workflows.

Diagnose and fix maturin build issues for PyO3 Python bindings. Use when encountering problems with maturin develop, missing Python exports, module registration errors, or type stub generation issues. Particularly useful when new PyO3 methods compile but don't appear in Python.

Debug MCP server issues and analyze logs for the Orient. Use this skill when investigating tool failures, API errors, slow operations, or troubleshooting MCP tool behavior. Covers log file locations, JSON log format, correlation IDs for request tracing, common debugging commands, and log rotation configuration.

Configure, deploy, and troubleshoot Model Context Protocol (MCP) servers for AI agent workflows. Use when setting up MCP servers, debugging connection issues, managing multi-server configurations, integrating with Claude Desktop/Code/Cowork, or designing custom tool servers. Triggers on MCP configuration, tool server development, Claude integration issues, or agent infrastructure setup.

MCP server configuration and management. Use when setting up MCP servers, troubleshooting MCP issues, or adding new integrations. Keywords: MCP, model context protocol, supabase, posthog, playwright, gtm, analytics, mcp.json, environment variables, oauth

Debug MCP server communication. Use for troubleshooting MCP integrations, viewing traffic, and analyzing latency.

Use this skill when you need to discover MCP tool parameters, understand naming conventions, or debug tool call errors

**Core principle:** MCP Qdrant-Indexer tools are primary for exploring code and history. Start with MCP for exploration, debugging, or "where/why" questions; use literal search/file-open only for narr

Systematic troubleshooting for MCP tools including installation issues, runtime errors, config problems, and debugging strategies. Use when MCP tools not working, debugging errors, or helping users...

MediaPipe pose detection expertise. Use when debugging landmark tracking, adjusting confidence thresholds, fixing pose detection issues, working with pose.py and video_io.py, or validating pose detection with manual observation.

Execute and troubleshoot memory-cli commands for episode management, pattern analysis, and storage operations. Use this skill when running CLI commands, debugging CLI issues, explaining command usage, or guiding users through CLI workflows.

Debug memory leaks, profile memory usage, optimize allocations. Use when heap grows unexpectedly, OOM errors occur, or profiling shows memory bottleneck. Covers C++ (Valgrind, ASAN, RAII), Python (tracemalloc, objgraph), and general patterns.

Use and troubleshoot the Memory MCP server for episodic memory retrieval and pattern analysis. Use this skill when working with MCP server tools (query_memory, analyze_patterns, advanced_pattern_analysis), validating the MCP implementation, or debugging MCP server issues.

Instrument RAG retrieval, memory operations, and context management

Guide for writing and improving Claude Code skills. Use when creating new skills, debugging why skills aren't activating, or improving skill descriptions and structure.

Prometheus-compatible metrics collection with counters, gauges, and histograms. Export metrics for dashboards and alerts with proper labeling.

Help craft efficient Mimir/Prometheus queries, troubleshoot metric issues, avoid high-cardinality problems, and recommend best practices for aggregation, recording rules, and performance.

Capture Minecraft Bedrock network packets using a proxy relay. Start packet capture, save raw binary dumps and processed JSON logs. Use when debugging Bedrock protocol, analyzing bot behavior, or recording gameplay packets.