testing-patterns
Use when writing or modifying tests under tests/ — base testcase inheritance, pytest markers, fixtures, in-memory vs real-broker testing, and how to run the suite.
5.27k repo starsObserved in 1 repos
Testing & Quality
Find the skill for your next task.
Browse reusable Agent Skills, each with a clear purpose and practical guidance.
check-readiness
Run this skill to check if the repository is ready for new work. Use this skill whenever the user asks to "check readiness", "see if we are ready to start work", or when starting a new task in the camera_android_camerax package.
5.26k repo starsObserved in 1 repos
Testing & Quality
pre-push-skill
Executes the required pre-push steps for the flutter/packages repository. Call this tool immediately whenever the user asks to push, asks if the user/you are ready to push, or wants to validate their local changes are ready to become a pull request.
5.26k repo starsObserved in 1 repos
Testing & Quality
synapseml-local-setup
Set up and validate SynapseML locally in WSL or Linux. Use when an agent needs SynapseML working locally, runs sbt compile/test, sees Java 21, Scala 2.12 compiler-bridge, bad constant pool index, Spark, or local validation failures.
5.23k repo starsObserved in 1 repos
Development
core-add-module
Add a new module to the core package (src/packages/core/). Use when adding shared UI framework infrastructure that all packages can use — e.g., a new extension system feature, a new utility, a new shared component pattern, a new picker, or a new workspace primitive. Core modules are imported as @umbraco-cms/backoffice/{module-name}. Also use when the user says things like "add a module to core", "create a new core feature", or "add shared infrastructure".
5.21k repo starsObserved in 1 repos
Development
general-add-localization
Add localization keys and use them in elements or controllers. Use when adding user-facing text that should be translatable — labels, descriptions, error messages, button text, status text, or any string shown in the backoffice UI.
5.21k repo starsObserved in 1 repos
Development
general-add-value-type
Add a new value type — a named, typed string constant that extends UmbValueTypeMap. Use when a feature needs to declare what type of value it holds so it can be referenced in collection columns or value summary manifests. Also use when a property editor needs to expose its value type for use in collection views.
5.21k repo starsObserved in 1 repos
Development
general-create-condition
Create a new extension condition that controls when extensions are active. Use when you need to conditionally show or hide extensions based on application state (e.g., current section, user permissions, entity state, workspace context). Conditions are registered as extensions and referenced in manifest condition arrays.
5.21k repo starsObserved in 1 repos
Development
general-create-extension-type
Create a new extension type for the Umbraco backoffice extension registry. Use when adding a new type of extension that can be registered via manifests (e.g., a new dashboard type, a new sidebar app type, a new toolbar extension type). Any package can define extension types.
5.21k repo starsObserved in 1 repos
Development