Backend Developmentmeteor/agent-skills
migrate-to-meteor-3
Use when migrating a Meteor 2.x application to Meteor 3.x. Triggers on callAsync, *Async Mongo, removed Fibers, implicit-global ReferenceError, lost Blaze reactivity, a publish function returning a Promise, a scheduler dropping a Promise, a read API receiving update modifiers, async allow/deny, an Iron Router controller not running, "Method stub took too long", Atmosphere resolution, Express 5 WebApp handlers, lost async context, rawCollection callbacks, meteor/* TypeScript types, useTracker, and useSubscribe. Use this skill when the user asks about upgrading Meteor, async caller propagation, iterators with await, zodern:types, or replacing and forking packages.