Cardinal Media Server

Rethink how you manage, stream, and share your media.

One server for your music, movies, shows and photos.

Cardinal Media Server is a free, self-hosted media server. It indexes the media you own where it already lives, runs the Cardinal Music, Cinema and Photos apps for everyone in your household, and keeps every account, play and photo on your own hardware.

Features

Runs where you want it

  • Docker

    One official image on Docker Hub, with ready-made Compose files for SQLite or PostgreSQL.

  • Proxmox VE

    Runs as a Proxmox application container, created and configured by a single script. No guest operating system to maintain.

  • AI agent install

    Hand a coding agent the install or update skill, and it sets up the server for you.

  • SQLite or PostgreSQL

    SQLite works out of the box. Switch to PostgreSQL with a few environment variables when the library grows.

  • Release channels

    Pick stable, beta or the latest build from main, each as its own Docker tag.

  • Your own domain

    Put the server behind your own reverse proxy and domain, with no Cardinal account needed.

Your media, where it already lives

  • Indexed in place

    Folders are read where they are. Nothing is imported, copied or moved, and your files are never deleted.

  • Music

    MP3, FLAC, Opus, M4A, WAV and AAC, organised by embedded tags first and folder names second.

  • Movies and TV

    Folder and file names become movies, shows, seasons and episodes, with versions, editions, extras and subtitles. Nothing is looked up online.

  • Photos

    JPEG, PNG and HEIC, with dates, camera details and places read from EXIF and Google Takeout metadata.

  • Libraries

    Group folders into libraries, and filter every app by them.

  • Background jobs

    Thumbnails, waveforms and video probes are prepared in the background, within a concurrency limit you set.

Accounts for the whole household

  • Unlimited local accounts

    Accounts live on the server itself. They need no sign-up and no internet connection.

  • Roles and capabilities

    Seven built-in roles made of fine-grained capabilities, which guard the apps and the API alike.

  • Invitations

    Send an invite link instead of setting up each account by hand.

  • Guest account

    A password-free account for getting started, which can be switched off at any time.

  • Cardinal Account sign-in

    Optionally sign in with a Cardinal Account. Its email address is never shared with the server owner.

  • Private by default

    Usage data is opt-in and anonymous. Without your consent, nothing leaves the server.

A dashboard for everything

  • Overview

    The server, its apps and its active users at a glance.

  • Setup wizard

    A first-run walkthrough for the server name, sign-in, privacy and theme.

  • Live indexing

    Watch every library scan and background job as it runs, and start one by hand.

  • Users and roles

    Create accounts, assign roles, send invitations and manage access tokens.

  • Cloud services

    Switch on Remote Access and Secure Backups from one page.

  • Themes and shortcuts

    Tune colours, glass and spacing, and drive the dashboard from the keyboard.

Built to build on

  • OpenAPI

    More than 130 documented endpoints for browsing, streaming and managing the whole library.

  • Personal access tokens

    Give your own scripts and apps a token. It acts as one account and carries that account's roles, nothing more.

  • Live events

    A server-sent event stream reports indexing progress, finished waveforms and queue changes as they happen.

  • Streaming

    Range requests for audio and video, with audio converted on the fly when a browser needs it.

  • Developer guides

    Guides for connecting, authenticating and streaming, including how to build with a coding agent.

  • Source-available

    The code is published under The Freehold License, so it can be read, audited and modified.

Works with Cardinal Cloud

Optional services that extend a self-hosted stack.

Get help with Cardinal Media Server

Guides for every feature, from first install to everyday use.

Visit the Help Site

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