Developer Tools & Repos Agent Skills for Microsoft Copilot

This skill is used to create an example application for a web framework integration package and to test it with `mise test:examples`.

Use when the user asks about cleanup, removing unused code, refactoring, reducing bundle size, or identifying dead code in a…

Deep linking patterns for mobile - Android App Links, iOS Universal Links, intent filters, URI handling, deferred deep links, and…

Use when Codex is building or iterating on a web game (HTML/JS) and

Lift-and-shift port of a repository, library, API, protocol, or other software artifact to a different language, runtime, or platform…

Use when improving general prompts for structure, examples, and constraints.

This skill should be used when executing the epic-dev workflow, creating epic branches, managing sprint phases, working with git worktrees…

ERNE — Performance profiling and optimization using the performance-profiler agent

Implements a standardized error code system and API response patterns for robust debugging and internationalization.

Error handling patterns using wellcrafted trySync and tryAsync.

Flutter cross-platform development guide covering widget patterns, Riverpod/Bloc state management, GoRouter navigation, performance…

Builds form components and data collection interfaces including contact forms, registration flows, checkout processes, surveys, and…

Use when suggesting APIs for a project, looking for free data sources, building weekend projects that need external data, or when the user…

For tree/maze generation: spanning trees, random mazes, graph coverage.

Three.js scene setup, cameras, renderer, Object3D hierarchy, coordinate systems.

Three.js geometry creation - built-in shapes, BufferGeometry, custom geometry, instancing.

Three.js interaction - raycasting, controls, mouse/touch input, object selection.

Three.js materials - PBR, basic, phong, shader materials, material properties.

MANDATORY: Use instead of `git rebase` - provides automatic backup and conflict recovery

Configures structured shared and local data directories automatically after creating a new Git worktree.

Post PR review comments using the GitHub API with inline comments, suggestions, and priority labels.