MCP tool
memory_search
memory_search is a tool name used by 8 different MCP servers. They are not necessarily the same tool — here is what each one does.
8 MCP servers expose a memory_search tool: Yab, Yet Another Browser, mcp-memory-rs, MCP Memory, Worldku Memory, ASR Memory (에사 AI) — Shared memory for AI tools, genesys-memory, Recall — persistent memory for agents and memory. Their input schemas differ, so compare them below before picking one.
Servers exposing memory_search
From the publisher:Search what you know about the user from earlier tasks, who they are, their accounts and sites, people, projects.
Install Yab, Yet Another Browser →From the publisher:FTS5 full-text search, BM25 ranking, category/date/actor filters, snippets.
Install mcp-memory-rs →From the publisher:👁 lectura
Install MCP Memory →From the publisher:Semantic search over your memories
Install Worldku Memory →From the publisher:Search by meaning and keywords
Install ASR Memory (에사 AI) — Shared memory for AI tools →From the publisher:Filtered vector search by status, category, date (`since`), last-active date (`active_since`), or entity. Pass an empty query to enumerate by recency instead (no embedder needed) — with `since`/`active_since` this answers "what's new since
Install genesys-memory →From the publisher:Search your saved memories by keyword across keys, values, and tags. Returns matching memories, newest first.
Install Recall — persistent memory for agents →Parameter Type Description query*string limitnumber From the publisher:Semantic search over YOUR stored memories (payer-wallet namespace). Returns top-k by embedding similarity. Paid: $0.002 per search via x402.
Install memory →Parameter Type Description query*string kinteger max results (default 5, cap 20)
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.