Developer Tools & Repos Agent Skills for Devin Desktop

Android and Kotlin development patterns — Compose, architecture, coroutines,

Use to extract concrete numbers and slice-level evidence from a `.perfetto-trace` captured by `android-perfetto-capture`.

Use to capture Perfetto system traces from a connected Android device — the input for any timing, threading, jank, or "is this on the main…

Use this skill when capturing or analyzing Android Perfetto traces for app startup, UI jank, freezes, memory, CPU scheduling, binder IPC…

Use when you need empirical proof a code path actually executed — branch entries, callback fires, coroutine continuations, suspect early…

Use INSTEAD of git bisect when investigating a regression between two refs (releases, branches, "it worked yesterday") — especially when…

Use BEFORE fixing any non-trivial bug. Write a test that fails because of the bug, watch it fail, then fix the bug until the test passes…

Use to flip framework-level diagnostics without code changes — verbose framework logging (`log.tag.<Tag> VERBOSE`), view-bounds overlay…

Use to prove (or disprove) that a state actually changed between two points — "did the dialog dismiss?", "did this navigation actually…

Use to surface invisible main-thread I/O, leaked closeables, leaked activities, and other policy violations that don't crash but cause…

Use to answer questions logging can't — "did this run, on what thread, for how long, in what overlap with frame boundaries?" Wrap suspect…

XML-specified Android UI journey testing, interactive step execution, assertion verification, and JSON outcome reporting.

Build, compose, or style any Spiderly Angular admin-panel UI — pages, cards, panels, dashboards, buttons, tables, dialogs, empty/loading…

Global Angular best practices: component lifecycle, clean code, lazy loading with permissions, and *ngFor trackBy performance.

Convert AngularJS controllers into Angular components during modernization.

Vite build tool configuration, plugin API, SSR, and Vite 8 Rolldown migration.

Write intentional, minimal, context-aware code that avoids generic AI-generated patterns.

Generates high-quality, predictable, and efficient .agent/skills/ directories based on user requirements.

API design and developer experience for TypeScript libraries.

Use when working on the backend API (packages/api).

Compare API specifications to detect breaking changes.