packages

name	packages
description	Use when exploring the package ecosystem, finding which package handles a feature, understanding package relationships, or adding dependencies. Lists all core packages by domain.

Core Packages

Overview of Meteor's package ecosystem organized by domain.

Authentication & Accounts

Package	Description
accounts-base	Foundation for the user account system
accounts-password	Password-based authentication
accounts-passwordless	Magic-link/token-based authentication
accounts-2fa	Two-factor authentication support
accounts-ui / accounts-ui-unstyled	Pre-built UI components for auth
accounts-oauth	OAuth protocol support
oauth / oauth1 / oauth2	OAuth implementation
oauth-encryption	Encrypted OAuth token storage
service-configuration	OAuth provider configuration

Social Login Providers:

• accounts-facebook, accounts-github, accounts-google
• accounts-twitter, accounts-meetup, accounts-weibo
• accounts-meteor-developer

Data & Database

Package	Description
mongo	MongoDB integration and collection API
minimongo	Client-side MongoDB emulation
mongo-id	MongoDB ObjectID generation
mongo-livedata	Reactive MongoDB queries
npm-mongo	MongoDB Node.js driver wrapper
mongo-dev-server	Development MongoDB server
ddp	Distributed Data Protocol meta-package
ddp-common	Shared DDP utilities
ddp-client	DDP client implementation
ddp-server	DDP server implementation
ddp-rate-limiter	Rate limiting for DDP methods/subscriptions
ejson	Extended JSON serialization

Build System & Compilation

Package	Description
babel-compiler	JavaScript transpilation via Babel
babel-runtime	Babel runtime helpers
ecmascript	ECMAScript 2015+ support
ecmascript-runtime	ES6+ runtime polyfills
typescript	TypeScript compilation support
modules	ES modules system
modules-runtime	Module runtime implementation
modules-runtime-hot	Hot module reloading runtime
hot-code-push	Live code updates
hot-module-replacement	HMR support
rspack	Rspack bundler integration
boilerplate-generator	HTML boilerplate generation
dynamic-import	Dynamic import() support
caching-compiler	Build cache management

Minification & Assets

Package	Description
minifier-js	JavaScript minification (terser)
minifier-css	CSS minification
standard-minifier-js	Default JS minifier package
standard-minifier-css	Default CSS minifier package
standard-minifiers	Meta-package for minifiers
static-html	Static HTML file processing

Web & Server

Package	Description
webapp	HTTP server and request handling
webapp-hashing	Asset fingerprinting
reload	Client-side app reload mechanism
reload-safetybelt	Reload failure recovery
autoupdate	Automatic client updates
browser-policy	Content Security Policy
force-ssl	HTTPS enforcement
allow-deny	Collection permission rules
fetch	HTTP Fetch API polyfill
routepolicy	Route-based policies

Client-Side Utilities

Package	Description
tracker	Reactive dependency tracking
reactive-var	Single reactive value
reactive-dict	Reactive key-value store
session	Client-side session storage
localstorage	LocalStorage wrapper
socket-stream-client	WebSocket client
random	Cryptographic random generation
check	Runtime type checking
underscore	Utility library
base64	Base64 encoding/decoding
diff-sequence	Array diffing algorithm
id-map	ID-based mapping
ordered-dict	Ordered dictionary

Testing (6 packages)

Package	Description
tinytest	Meteor's built-in test framework
tinytest-harness	Test harness utilities
test-helpers	Testing utility functions
test-in-browser	Browser-based test runner
test-in-console	Console-based test runner

Context & Roles

Package	Description
context	Request context management (AsyncLocalStorage)
roles	User roles and permissions system

Deprecated Packages (packages/deprecated/)

40+ legacy packages maintained for backward compatibility:

• UI libraries: amplify, backbone, d3, handlebars
• Legacy OAuth: facebook, github, google (use accounts-* instead)
• Config UIs: *-config-ui packages
• Others: jquery-history, jshint, jsparse, deps (use tracker)

Development-Only Packages

Package	Description
autopublish	Auto-publish all collections (remove in production)
insecure	Allow all database writes (remove in production)

NPM Packages (/npm-packages)

Packages published to npm for external use:

Package	npm Name	Description
meteor-babel	@meteorjs/babel	Babel wrapper for ES2015+ transpilation
babel-preset-meteor	@meteorjs/babel-preset-meteor	Babel preset with Meteor-specific transforms
meteor-rspack	@meteorjs/rspack	Rspack configuration builder
meteor-promise	meteor-promise	ES6 Promise with Fiber support
meteor-node-stubs	meteor-node-stubs	Node.js core module polyfills for browser
eslint-plugin-meteor	eslint-plugin-meteor	Meteor-specific ESLint rules