productivity▌

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Expert guide for interpreting and fixing n8n validation errors. \n \n Covers three severity levels: errors (block execution), warnings (optional fixes), and suggestions (nice-to-have improvements) \n Includes five common error types with fix strategies: missing_required, invalid_value, type_mismatch, invalid_expression, and invalid_reference \n Provides three validation profiles (minimal, runtime, strict, ai-friendly) for different workflow stages, with runtime recommended for pre-deployment che

When analysis requires computation (statistics, data processing, scoring, enrichment), write and run Python code via Bash. Don't describe what you would do — execute it and report actual results. Use ToolUniverse tools to retrieve data, then Python (pandas, scipy, statsmodels, matplotlib) to analyze it.

Turn a research paper into an interactive marimo notebook. For general marimo notebook conventions (cell structure, PEP 723 metadata, output rendering, marimo check, variable naming, etc.), refer to the marimo-notebook skill.

All Linear operations go through the linear_graphql client tool exposed by Symphony's app server. It handles auth automatically.

This skill sets up Inngest in a TypeScript project from scratch, covering installation, client configuration, connection modes, and local development.

Google Classroom API integration for managing courses, rosters, assignments, and notifications. \n \n Covers courses (create, update, delete, list), invitations (accept, create, delete), and user profiles with full CRUD operations \n Supports nested resources including students, teachers, announcements, course work, topics, and student groups \n Includes grading period management and Cloud Pub/Sub registration for real-time notifications \n Requires gws binary and Google Workspace authentication

Automate Microsoft Store publishing and submission management from the command line. \n \n Supports Windows App SDK, UWP, .NET MAUI, Flutter, Electron, React Native, and PWA applications with automatic project detection \n Core commands cover credential configuration, app listing, submission status checks, publishing, metadata updates, and gradual rollouts \n Includes package flight management for beta testing with group-based distribution and rollout percentage control \n Integrates with Partne

Master multi-agent orchestration using Claude Code's TeammateTool and Task system.