Development skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

cpp-server

SpacetimeDB C++ server module SDK reference. Use when writing tables, reducers, or module logic in C++.

24.79k repo starsObserved in 3 repos
Development

rust-server

SpacetimeDB Rust server module SDK reference. Use when writing tables, reducers, or module logic in Rust.

24.79k repo starsObserved in 1 repos
Development

unreal

SpacetimeDB Unreal Engine client SDK reference. Use when building Unreal Engine clients that connect to SpacetimeDB.

24.79k repo starsObserved in 1 repos
Development

histograms

Manage Chromium histograms and enums metadata. Use this skill when adding code that logs a histogram or when updating metadata in histograms.xml or enums.xml.

24.24k repo starsObserved in 2 repos
Development

jni-type-conversion

How to use @JniType annotations for ergonomic JNI. Relevant for Java files that use @NativeMethods or @CalledByNative.

24.24k repo starsObserved in 2 repos
Development

network-traffic-annotations

Guide for writing and managing Network Traffic Annotations in Chromium. Use this skill when adding or updating code that makes network requests.

24.24k repo starsObserved in 2 repos
Development

policy-creation

Guide for adding new enterprise policies to Chromium. Complete guide for policy definitions, pref mapping, and writing tests.

24.24k repo starsObserved in 2 repos
Development

spanify-buffers

Find and fix unsafe buffer operations in a C++ file by removing UNSAFE_TODO markers and replacing unsafe raw pointers/C-style functions with base::span and standard safe containers. Use when the user asks to fix unsafe buffer warnings or `-Wunsafe-buffer-usage` errors. Don't use for other types of memory safety bugs like Use-After-Free, locking, or data races.

24.24k repo starsObserved in 2 repos
Development

webui-lit-migration

Guide for migrating Chromium WebUI components from Polymer to Lit. Activate this skill if the user asks to migrate a file or component to Lit.

24.24k repo starsObserved in 2 repos
Development

accessibility-cleanup

Finds common violations of the Android accessibility API in the Clank App Java code and attempts to address them (e.g. hardcoded state change announcements, missing events, focus moving, assertive live regions, etc).

24.24k repo starsObserved in 1 repos
Development