npm · Schema

PackageVersion

Metadata for a specific version of a package, including dependencies, scripts, and distribution information.

PackagesJavaScriptNode.jsPackage ManagementRegistrySecurity

Properties

Name Type Description
name string The name of the package.
version string The semver version string.
description string A short description of the package.
main string The entry point module for the package.
scripts object A mapping of script names to shell commands.
dependencies object A mapping of package names to semver ranges for runtime dependencies.
devDependencies object A mapping of package names to semver ranges for development dependencies.
peerDependencies object A mapping of package names to semver ranges for peer dependencies.
optionalDependencies object A mapping of package names to semver ranges for optional dependencies.
engines object A mapping of runtime names to semver ranges specifying compatible environments.
author object
maintainers array List of maintainers for this version.
repository object
license string The SPDX license identifier.
keywords array Keywords associated with this version.
dist object
_npmVersion string The version of npm used to publish this package version.
_nodeVersion string The version of Node.js used to publish this package version.
_npmUser object
View JSON Schema on GitHub

JSON Schema

npm-packageversion-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/PackageVersion",
  "title": "PackageVersion",
  "type": "object",
  "description": "Metadata for a specific version of a package, including dependencies, scripts, and distribution information.",
  "properties": {
    "name": {
      "type": "string",
      "description": "The name of the package."
    },
    "version": {
      "type": "string",
      "description": "The semver version string."
    },
    "description": {
      "type": "string",
      "description": "A short description of the package."
    },
    "main": {
      "type": "string",
      "description": "The entry point module for the package."
    },
    "scripts": {
      "type": "object",
      "description": "A mapping of script names to shell commands.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "dependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for runtime dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "devDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for development dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "peerDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for peer dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "optionalDependencies": {
      "type": "object",
      "description": "A mapping of package names to semver ranges for optional dependencies.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "engines": {
      "type": "object",
      "description": "A mapping of runtime names to semver ranges specifying compatible environments.",
      "additionalProperties": {
        "type": "string"
      }
    },
    "author": {
      "$ref": "#/components/schemas/Person"
    },
    "maintainers": {
      "type": "array",
      "description": "List of maintainers for this version.",
      "items": {
        "$ref": "#/components/schemas/Person"
      }
    },
    "repository": {
      "$ref": "#/components/schemas/Repository"
    },
    "license": {
      "type": "string",
      "description": "The SPDX license identifier."
    },
    "keywords": {
      "type": "array",
      "description": "Keywords associated with this version.",
      "items": {
        "type": "string"
      }
    },
    "dist": {
      "$ref": "#/components/schemas/Distribution"
    },
    "_npmVersion": {
      "type": "string",
      "description": "The version of npm used to publish this package version."
    },
    "_nodeVersion": {
      "type": "string",
      "description": "The version of Node.js used to publish this package version."
    },
    "_npmUser": {
      "$ref": "#/components/schemas/Person"
    }
  }
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/npm-packageversion"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.