R · Schema

CRAN Package

Schema for a CRAN R package metadata record as returned by the METACRAN CranDB API

RStatisticsData ScienceOpen-SourceProgramming Language

Properties

Name	Type	Description
Package	string	Package name on CRAN
Version	string	Current package version using semantic versioning
Title	string	Short one-line title for the package
Description	string	Full package description paragraph
Author	string	Package authors, often in Authors@R format
Maintainer	string	Package maintainer name and email
License	string	SPDX license identifier
Depends	string	Required R version and dependent packages
Imports	string	Imported packages required at runtime
Suggests	string	Optionally suggested packages
Enhances	string	Packages enhanced by this package
Date	string	Package release date
URL	string	URL for the package homepage or development repository
BugReports	string	URL for submitting bug reports
NeedsCompilation	string	Whether the package requires compilation
SystemRequirements	string	External system requirements for the package
Repository	string	Repository name (typically CRAN)
Date/Publication	string	CRAN publication timestamp

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/r/refs/heads/main/json-schema/r-cran-package-schema.json",
  "title": "CRAN Package",
  "description": "Schema for a CRAN R package metadata record as returned by the METACRAN CranDB API",
  "type": "object",
  "properties": {
    "Package": {
      "type": "string",
      "description": "Package name on CRAN",
      "example": "ggplot2"
    },
    "Version": {
      "type": "string",
      "description": "Current package version using semantic versioning",
      "example": "3.4.4"
    },
    "Title": {
      "type": "string",
      "description": "Short one-line title for the package"
    },
    "Description": {
      "type": "string",
      "description": "Full package description paragraph"
    },
    "Author": {
      "type": "string",
      "description": "Package authors, often in Authors@R format"
    },
    "Maintainer": {
      "type": "string",
      "description": "Package maintainer name and email",
      "example": "Hadley Wickham <hadley@posit.co>"
    },
    "License": {
      "type": "string",
      "description": "SPDX license identifier",
      "example": "MIT + file LICENSE"
    },
    "Depends": {
      "type": "string",
      "description": "Required R version and dependent packages"
    },
    "Imports": {
      "type": "string",
      "description": "Imported packages required at runtime"
    },
    "Suggests": {
      "type": "string",
      "description": "Optionally suggested packages"
    },
    "Enhances": {
      "type": "string",
      "description": "Packages enhanced by this package"
    },
    "Date": {
      "type": "string",
      "format": "date",
      "description": "Package release date"
    },
    "URL": {
      "type": "string",
      "description": "URL for the package homepage or development repository"
    },
    "BugReports": {
      "type": "string",
      "format": "uri",
      "description": "URL for submitting bug reports"
    },
    "NeedsCompilation": {
      "type": "string",
      "enum": ["yes", "no"],
      "description": "Whether the package requires compilation"
    },
    "SystemRequirements": {
      "type": "string",
      "description": "External system requirements for the package"
    },
    "Repository": {
      "type": "string",
      "description": "Repository name (typically CRAN)"
    },
    "Date/Publication": {
      "type": "string",
      "format": "date-time",
      "description": "CRAN publication timestamp"
    }
  },
  "required": ["Package", "Version", "Title", "Description", "Maintainer", "License"]
}

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