v2.4.0 for Minecraft 1.20 – 1.21.4
Six-hour queue, work in the morning, one laptop. Blossum holds the connection, answers the server's idle checks, and gives the game back the second you sit down.
Download for Windows Read the setup
macOS and Linux builds too. 4.2 MB, no installer, no account sign-in.
Holding position. Idle check every 40s.
Six things it does, and nothing it doesn't. Blossum never touches your login, never talks to a server you didn't name, and stops the moment you come back.
Keeps the socket open through the longest lines, survives server restarts, and tells you the moment you reach the front. Position is read from the server's own message, so the number on screen is the number you're in.
Works with 2b2t, 9b9t, Constantiam, and any server that prints a position to chat.
Small, unhurried movement on an interval you choose — a step, a turn, a swing — so a watching server doesn't read you as asleep at the keyboard.
Drops are retried on a widening gap, up to the limit you set. Every attempt lands in the log with a reason, so a bad night can be read back in the morning.
A desktop notification or a Discord message when you're in, when your health falls, or when someone types your name in chat.
Runs without the game window at around 90 MB of memory, so a spare machine can hold the line instead of your desktop.
Press F6 and Blossum stops mid-action. No keys left held down, no camera drift, no half-finished swing to explain to the people standing around you.
Everything below is written to a plain text file next to the executable. This is one run, start to finish.
You closed the game. Blossum picked up the session at position 412 and set the idle check to 40 seconds.
Server restarted. The connection dropped for 9 seconds, then resumed at position 377 — the spot the server gave back.
Position 1. Desktop alert sent, the spawn walk ran for 40 seconds, then Blossum parked and held still in a dark corner.
You pressed F6. Control came back in the same tick. 8 h 24 m logged, 214 chat lines saved, nothing lost.
Three steps, about two minutes.
One executable and a config file. There's no installer, and nothing is added to your launcher.
Blossum reads the profile you already play on. Vanilla, Fabric and Forge instances all work the same way.
Choose the idle interval, the reconnect limit, and where alerts land. Press F6 to hand the game over.
Servers make their own rules, and plenty of them ban AFK automation outright — some will ban the account rather than the client. Read the rules where you play before you leave Blossum running overnight.
Version 2.4.0, released 2 September 2026. Signed builds, checksums in the release notes, source on GitHub.
Free and open source under the MIT licence.