Aedes

What it does

Authentication

Aedes lists authentication and authorization support.checked 4 Oct 2026

Availability

The project lists high availability and clustering among its features.checked 4 Oct 2026

Cluster requirements

Clustering requires on-disk databases such as MongoDB and Redis; the README recommends MongoDB persistence with the Redis emitter based on its tests and user reports.checked 4 Oct 2026

Connections

It supports standard TCP, SSL/TLS, and WebSocket connections.checked 4 Oct 2026

Installation

The README gives npm install aedes as the installation command and links Docker documentation.checked 4 Oct 2026

License

Aedes is licensed under the MIT License.checked 4 Oct 2026

Messaging features

Listed features include message persistence, automatic reconnect, offline buffering, and a backpressure-support API.checked 4 Oct 2026

Middleware

The broker supports pluggable middleware and dynamic topics.checked 4 Oct 2026

MQTT 5.0 limitation

The README says MQTT 5.0 is not supported yet.checked 4 Oct 2026

Persistence integrations

Listed persistence plugins include in-memory, MongoDB, Redis, SQLite, LevelDB, and NeDB options.checked 4 Oct 2026

Protocol support

It is compatible with MQTT 3.1 and 3.1.1.checked 4 Oct 2026

Purpose

Aedes is a barebone MQTT broker that can run on any stream server.checked 4 Oct 2026

Security notice

A message is considered valid after it passes the authorizePublish callback, even if that client's permissions are revoked afterward.checked 4 Oct 2026

Support

For production bugs or leaks, the maintainers invite pull requests or contact for paid support.checked 4 Oct 2026

Vulnerability reporting

The security policy directs vulnerability reports to the repository's GitHub security page.checked 4 Oct 2026