Horizon — an ATProto client

About

Horizon is a Bluesky-compatible client built on the AT Protocol, currently in development.

Other projects

Chronos Pulse mcp

Time API and MCP server. A clock for agents.

Farsight service

Self-hosted index of public block records across the AT Protocol network, with an API.

Kryphocron library

Privacy-first ATProto substrate primitives. Threat-model invariants enforced structurally, not as policy.

ATProto Pronouns lexicon

Portable pronoun records in the user's repo. Any client can adopt it.

ATProto Plural lexicon

Plural system identity on ATProto. Members, fronting state, all in the user's repo.