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Run quantitative + qualitative evaluations on an existing Claude skill. Use this whenever the user wants to test, benchmark, eval, validate, regression-check, or measure the value of a skill they've already drafted — including phrases like "run evals on this…
Reference guide to anti-patterns, performance traps, and common mistakes in Umbraco development. Covers DI vs. statics, static references to request-scoped instances, DescendantsOrSelf() on large trees, over-querying, services in Razor views, volatile content…
Customize the page shown to visitors while Umbraco runs upgrade migrations. Covers Umbraco 17+ upgrade pages, including the unattended upgrade view introduced for Umbraco 17.3+, the documented UmbracoWebsite maintenance page convention, and branded holding…
Boot the committed reference Umbraco site and prove that a skill's produced code actually runs. Use this whenever you want to run/validate an implementation or content-modelling skill against a real, running Umbraco instance — e.g. "test the sitemap skill in…
A framework for authoring Umbraco skills in THIS marketplace: how to structure, scaffold, write, and audit a skill so it matches the house conventions. Use this whenever the user wants to start or build a new skill for the Umbraco marketplace, e.g. "make a…
Implement custom 404 and 500 error pages in Umbraco 16.1+. Offers two 404 approaches: a multi-site-aware IContentLastChanceFinder (default) and the official docs' zero-code Error404Collection config; 500s use a shared MVC controller. Trigger: user asks to…
Add an XML sitemap to an Umbraco 17+ site. Offers two approaches: the official docs Razor-template + Document Type approach, and a custom cached API controller that needs no backoffice setup. Use this skill whenever the user asks to add, create, build,…
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Follow https://skillsmp.com/skill-install/prompt.md to install Agent Skills from https://github.com/umbraco/Umbraco-CMS-Implementation-Skills.The repository README could not be loaded. You can still explore its Skills below.