Pluribus is a memory service for agents (MCP + HTTP, Postgres-backed) that stores structured memory: constraints, decisions, patterns, and failures. Runs locally or on a LAN.
Agents lose constraints and decisions between runs. Prompts and RAG don’t preserve them, so they have to be re-derived each time.
Memory is global and shared across agents. Recall is compiled using tags and a retrieval query, and proposed changes can be evaluated against existing memory.
- agents can resume work with prior context
- decisions persist across sessions
- multiple agents operate on the same memory
- constraints can be enforced instead of ignored
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