Developer Tools & Repos Agent Skills for Grok Build

Mandatory skills, conventions, and behavioral rules for Avalonia UI development using the Zafiro toolkit.

Reference — AVFoundation audio APIs, AVAudioSession categories/modes, AVAudioEngine pipelines, bit-perfect DAC output, iOS 26+ spatial…

Builds data-driven admin interfaces with the Avue framework (based on Vue 2 + Element UI).

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that…

Structure of skill definition files - role, capabilities, enforcement, registry

Build Next.js / Node.js (Azure Web Apps) features on top of the Azure Databricks REST API: run SQL via the Statement Execution API, query…

Standardizes the development of secure, high-performance RESTful and GraphQL APIs through structured architectural patterns and best…

Design production-grade APIs with intentional architecture before writing endpoints.

Create a new Node.js/Express + PostgreSQL backend from nothing, or add a new API module (route → controller → model) to an existing one…

Expert at writing Rails 8 service objects with proper patterns, Result objects, error handling, and external integrations.

Async task processing with Celery, ARQ, and Redis for Python backends.

Use when implementing BGTaskScheduler, debugging background tasks that never run, understanding why tasks terminate early, or testing…

Symptom-based background task troubleshooting - decision trees for 'task never runs', 'task terminates early', 'works in dev not prod'…

Complete background task API reference - BGTaskScheduler, BGAppRefreshTask, BGProcessingTask, BGContinuedProcessingTask (iOS 26)…

Run real-host public-facade regressions or diagnose and recover SagaSmith narrative campaigns.

Help with BAdI (Business Add-In) development, the ABAP enhancement framework, and the clean core level classification of enhancement…

This skill should be used when the user asks to "implement Bankr client", "write bankr-client.ts", "create API client for Bankr", "common…

banqUP integration via Apideck's Accounting unified API — same methods work across every connector in Accounting, switch by changing…

Apply to multi-step work (sweeps, migrations, runs of similar edits) and to how you stack commits and PRs.

Writes client code and CI/CD integrations for the BaseMachina REST Public API with secure authentication and review workflows.

Bash/Linux terminal patterns. Critical commands, piping, error handling, scripting. Use when working on macOS or Linux systems.