Why open core
Developers should be able to test memory locally, inspect the tooling, and decide whether the model fits before buying a team license.
Open source
Open-source AI memory with a team server path
MIT core
Palace starts with palace-rs, an MIT-licensed local memory engine for developers. Palace Server adds paid shared memory for teams.
Works with Cursor, Claude Code, Codex, and other MCP-capable clients.
Combines semantic retrieval, BM25-style search, diaries, and knowledge graph recall.
Open-source MIT core for solo developers; paid server for shared team memory.
What is free
The local palace-rs core is free for solo developers and runs without a Palace account.
What teams buy
Palace Server adds shared deployment, licenses, team access controls, and a central memory backend.