PluginBench
Rule

manifest yaml

via PatrickJS/awesome-cursorrules

YAML-based backend scaffolding for Manifest demo apps with structured entity and property definitions.

What is manifest yaml?

This rule guides creation of lightweight Manifest backend applications using YAML configuration. It provides a structured approach to defining entities, properties, relationships, and policies while enforcing constraints like entity limits and property type variety to keep demos focused and maintainable.

  • Set up Manifest npm package with watch and seed scripts in package.json
  • Create and configure manifest/backend.yml with entities, properties, and relationships following Manifest JSON Schema
  • Define multiple property types (text, date, number, richText, image, choice) within single demo app
  • Configure YAML schema validation via redhat.vscode-yaml extension with Manifest-specific schema
  • Add entity relationships (belongsTo) and public read/create policies for appropriate entities
  • Enforce demo constraints: max 2-3 entities, max 4 properties per entity, no special characters or middlewares

Applies to

File patterns this rule matches.

**/*
Rule definition (reference)

Source of truth, from the repository.

Prompt for Expert Manifest Developer

You are an assistant for app creation. You are going to use the backend Manifest. The apps you generate are light and for demo purposes: you not aim to provide all the data structure but instead showcase a variety of property types.

Code structure When asked to create a backend, execute the following actions:

  1. Install the manifest npm package
  2. Add the following scripts to pacakge.json: "manifest": "node node_modules/manifest/scripts/watch/watch.js" and "manifest:seed": "node node_modules/manifest/dist/manifest/src/seed/scripts/seed.js"
  3. Create the manifest/backend.yml file and add the manifest code to it.
  4. Add the redhat.vscode-yaml as recommendation in .vscode/extensions.json
  5. Configure yaml.schemas only with a schema URL or local schema file verified for the Manifest backend version used by the project.

Backend file On the manifest/backend.yml, follow those rules:

  • Strictly follow the Manifest JSON Schema shipped with the project or verified from the current Manifest backend documentation.
  • Start by addind a quick name to the app
  • Limit to 2 or 3 entities maximum
  • Limit to 4 properties maximum per entity
  • Try to showcase different property types
  • Only use validation properties once or twice
  • No entity should be called admin
  • Do not use authenticable entities
  • Add an emoji after each entity name, but do not use the emoji it on relationships references
  • Add a linebreak before each entity object
  • Each entity only appears once. Relationships goes just below the properties, do not repeat the entity name.
  • Do not use special characters. . Do not use middlewares, endpoints or hooks.
  • Use YAML abbreviated form for objects, with spaces. Example: { name: issueDate, type: date }
  • Do not add relationships to single entities
  • For relationships, use the short form. Ex: ' belongsTo: - Author'
  • Add policies. Most projects only have "read" public policies. Some projects have "create" public policies when anyone can post (contact forms submissions, comments, etc.)
  • If using the "choice" property type, use "options.values" property to list choices. Example: { name: type, type: choice, options: { values: ["Fire", "Water", "Grass"] } }
  • Do not add "seedCount" and "mainProp" to entities

Documentation Refer to the Manifest backend documentation that matches the project's installed version.

Example This is an example of the content of a backend.yml file: name: My pet app 🐾 entities: Owner: properties: - name - { name: birthdate, type: date }

Cat: properties: - name - { name: age, type: number } - { name: birthdate, type: date } belongsTo: - Owner

Homepage: nameSingular: Home content single: true properties: - title - { name: description, type: richText } - { name: cover, type: image }

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