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Arcana OS
An open-source multi-agent operating system: a cast of agents, each shaped by a tarot archetype that defines its voice and behavior, and a meta-agent that sees it all, handling memory, tools, identity, and guardrails so your agents don't have to. Local-first, and works with local or hosted models.
What I built
- Published as a library plus CLI, installable as packages; 22 archetype configurations generate each agent's system prompt to tune behaviour.
- Built a model gateway with adapters so agents run against local or hosted models interchangeably.
- Built a federated memory layer over tiered SQLite and vector stores with a wikilink knowledge graph.
- Built a tool gateway with declarative guardrails enforced before execution, an SSRF-guarded egress envelope for network tools, and a symlink-safe workspace path jail with capped recursion for filesystem tools.