Developer Tools & Repos Agent Skills for DeepSeek Harness

Opinionated preferences for roblox-ts development.

Implement and review in a sibling git worktree created from the latest default branch.

Plan and execute product isolation migrations to a facade plus contract layer in PostHog, following the Visual review architecture.

Implement an approved plan for a gstack-game GitHub issue.

Detect issue references in commits and artifacts and automatically update or close linked tracker issues

Structured workflow for drafting NEW GitHub issues with codebase research, duplicate detection, and testing approach.

Formats GitHub issue titles and descriptions for tracking problems that were fixed.

Interact with GitHub issues - create, list, and view issues.

name: item-provenance description: Adds origin/provenance + rumor hooks to Emberwild item entries and updates indexes. metadata…

Item distribution patterns for Valkyrie MoM.

Create, modify, and debug server plugins for current Paper 26.x on Java 25 or legacy Bukkit-derived 1.21.x servers on Java 21.

Guide for building, auditing, and refactoring Swift code using modern concurrency patterns (Swift 6+).

jank-lang: native Clojure on LLVM with seamless C++ interop.

Multiplayer game development principles.

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

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

Three.js post-processing - EffectComposer, bloom, DOF, screen effects.

Create 3D scenes, interactive experiences, and visual effects using Three.js.

Use when building, configuring, or debugging enterprise Java applications with Spring Boot 3.x, microservices, or reactive programming.

Use when you need to view the source code of a Java class from project dependencies, understand a library's API implementation, find…

Use this skill to develop or debug Java applications