MCP tool
update_memory
update_memory is a tool name used by 3 different MCP servers. They are not necessarily the same tool — here is what each one does.
3 MCP servers expose a update_memory tool: hmem — Humanlike Memory for AI Agents, MemoryPilot and OwnMemory. Their input schemas differ, so compare them below before picking one.
Servers exposing update_memory
From the publisher:Patch fields: title, body, tags, irrelevant, links
Install hmem — Humanlike Memory for AI Agents →From the publisher:Update content, kind, tags, importance, TTL. Skips re-embedding if content unchanged (hash check).
Install MemoryPilot →From the publisher:Changes a fact, keeping the previous wording as dated history
Install OwnMemory →
Related tools
The same action under a namespaced name on other servers.
Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.