Skip to content

Standard Reader

Author

microcosm: atproto building blocks

@microcosm.blue

Open-source APIs to kick-start your next app on ATProto. Community-supported infrastructure ready for production. relay.fire.hose.cam constellation.microcosm.blue slingshot.microcosm.blue more: https://microcosm.blue https://tangled.org/@microcosm.blue

Posts

11

Publications

2

Subscriptions

1

Readers

104

microcosm

microcosmApr 2, 2026

Atmosphere sync: Tap, Hydrant, roll-your-own?

A rough framework for deciding how to keep up with atproto data

microcosm

microcosmMar 20, 2026

Introducing Hubble: A Public Mirror for the Whole Atmosphere

New atproto infrastructure for network resilience, supported by a grant from Bluesky

atprotoatmosphere

microcosm

microcosmJan 28, 2026

"statistically reasonable maximum"

How many entries can a Merkle Search Tree node have? An attempt to answer with half a million atproto repositories & two coin flips.

MSTMerkle Search Tree

microcosm

microcosmJan 2, 2026

A quick (and almost complete) retrospective of what happened in microcosm's first year

microcosm

microcosmSep 19, 2025

Adversarial PLC directory migration

Contingency planning: what's our credible failover for the centralized underpinning of ATProto identities?

microcosm

microcosmSep 9, 2025

Weekly 2025-09-05

A us-east drop-in jetstream replacement, and a working demo for microcosm Pocket: non-public per-user per-app preference data storage!

microcosm

microcosmSep 3, 2025

Weekly 2025-08-29

relays today relays tomorrow relays forever

microcosm

microcosmAug 27, 2025

Weekly 2025-08-22

cut fibre optics, incident response, infra resilience was the (unplanned) order of the week

microcosm

microcosmAug 20, 2025

Postmortem: 2025-08-18

Someone literally cut off my home internet

microcosm

microcosmAug 16, 2025

weekly 2025-08-15

things that happened in the microcosm this week

microcosm

microcosmAug 11, 2025

Six months of microcosm

What's happened and what's next