This skill should be used when the user says "assessing", "arness assessing", "assess", "assess codebase", "technical review", "codebase assessment", "find improvements", "what should I improve", "tech debt review", "pattern compliance check", "codebase health check", "improvement plan", "review my codebase", "what needs fixing", "code quality check", "audit my code", "run an assessment", "arn-assessing", or wants a comprehensive technical assessment of the codebase against stored patterns followed by prioritized improvement execution. Chains to arn-implementing if improvements are identified.

Download YouTube videos with customizable quality and format options. Use this skill when the user asks to download, save, or grab YouTube videos. Supports various quality settings (best, 1080p, 720p, 480p, 360p), multiple formats (mp4, webm, mkv), and audio-only downloads as MP3.

Creates sprint plans, prioritizes product backlogs using RICE/MoSCoW/Kano frameworks, generates capacity plans, writes user stories with acceptance criteria, and produces stakeholder-ready roadmaps. Use when a user needs to prioritize features, score backlog items, plan a sprint, groom stories, allocate team capacity, calculate story points, create a release roadmap, run RICE scoring, evaluate trade-offs between features, or prepare sprint review and retrospective materials.

Apply approved fixes for unresolved CodeRabbit review comments, Codex P1-P3 findings, PR feedback, and code review issues with validation evidence. Use when asked to address review comments, fix review findings, clear unresolved comments, or autofix PR feedback.

Orchestrate a configurable, multi-member CLI planning council (Codex, Claude Code, Gemini, OpenCode, or custom) to produce independent implementation plans, anonymize and randomize them, then judge and merge into one final plan. Use when you need a robust, bias-resistant planning workflow, structured JSON outputs, retries, and failure handling across multiple CLI agents.

Onboard quickly by reading design docs, plans, READMEs, or the codebase to extract key concepts, surface gaps, and generate comprehension checks with answer keys. Includes an adaptive proficiency probe with learning resources and persistent session memory so the user can resume onboarding where they left off. Use when a user wants help understanding a project, validating their grasp of the architecture, or creating a readiness plan before contributing code.

Comprehensive guide for BlazeMeter Recorders, including Chrome Extension and Proxy Recorder. Use when working with recorders for (1) Recording tests with Chrome Extension, (2) Creating and using Proxy Recorder, (3) Configuring browsers and devices for proxy recording, (4) Setting port ranges for proxy recorder, or any other recording tasks.

Comprehensive guide for BlazeMeter Functional Testing, including GUI Functional Tests, API Tests (deprecated), Action Library, and debugging. Use when working with Functional Testing for (1) Creating GUI Functional Tests (YAML, Java IDE, Python IDE), (2) Managing Functional Tests (duplicate, delete, move, rename), (3) Using test data in Functional Tests, (4) Working with Action Library, (5) Debugging Functional Tests, (6) Understanding browser support, or any other Functional Testing tasks. Note - API Functional Tests are deprecated in favor of API Monitoring.

Comprehensive reference for BlazeMeter REST APIs, including authentication, identifiers, and API endpoints. Use when working with BlazeMeter APIs for (1) Understanding BlazeMeter REST API structure, (2) Authenticating API requests, (3) Obtaining identifiers (Workspace ID, Project ID, Test ID, etc.), (4) Using Test Data API, (5) Using Cloning API, (6) Using Export API, (7) Using Service Virtualization Bulk Operations APIs, or any other API tasks.

Scan a project to identify Kafka applications, extract schemas from data models, tag PII fields, generate Terraform for Confluent Schema Registry registration, and produce a migration report with rollout ordering. Use this skill when a user asks to analyze a folder or repo for Kafka usage, extract schemas, audit producer/consumer configurations, or generate Terraform for Schema Registry.

Create user stories following the 3 C's (Card, Conversation, Confirmation) and INVEST criteria with descriptions, design links, and acceptance criteria. Use when writing user stories, breaking down features into backlog items, or defining acceptance criteria.

Upload files to Govilo and generate unlock links via Bot API. Use when: (1) Creating a Govilo unlock link from a ZIP, folder, or individual files, (2) Automating file upload to Govilo R2 storage with presigned URLs, (3) Managing Govilo Bot API interactions (presign → upload → create item). Requires GOVILO_API_KEY and SELLER_ADDRESS env vars. If missing, guides user to register at https://govilo.xyz/.

Create recurring focus time blocks on Google Calendar to protect deep work hours.

Setup and use ActionCable for real-time features in Rails applications using WebSockets. Use when implementing real-time updates, live notifications, broadcasting changes, or when the user mentions WebSockets, ActionCable, channels, broadcasting, or Turbo Streams over cable.

AgentCall (agentcall.dev) — Join a video meeting (Google Meet, Teams, Zoom) as an AI bot with voice and visual presence. Supports audio-only mode with voice intelligence (barge-in, interruptions), text-to-speech mode, and webpage modes for custom UI. Use when asked to join a call, attend a meeting, or participate in a video conference.

Log querying, filtering, pattern analysis, and error rate calculation. Use when searching application or infrastructure logs, analyzing error patterns, or correlating log data. Trigger: "show error logs", "search logs for keyword", "log error rate", "recent errors", "logs from last hour", "find log entries", "top error messages", "log patterns", "parse JSON logs", "logs by process group", "log trends over time", "log entry counts per minute". Do NOT use for explaining existing queries, product documentation questions, distributed tracing or span analysis (use dt-obs-tracing).

Real User Monitoring (RUM) on Dynatrace — web and mobile frontends. Core Web Vitals, user sessions, page performance, mobile crashes, frontend errors, and frontend-backend linking. Query via `user.events`, `user.sessions`, and `dt.frontend.*` metrics. Does NOT cover synthetic monitoring (HTTP/browser/network checks) — that's a separate domain.