MCP tool
memory_write
memory_write 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 memory_write tool: mcp-memory-rs, byterovermemory-mcp and memory. Their input schemas differ, so compare them below before picking one.
Servers exposing memory_write
From the publisher:Replace or merge-patch a category; versioned; `expected_hash` precondition.
Install mcp-memory-rs →- Install byterovermemory-mcp →
From the publisher:Store a memory permanently. Namespaced to YOUR paying wallet — your wallet is your private memory store. Semantic-indexed for later search. Optional supersedes=[ids] marks prior memories in your namespace as superseded by this one (excluded from search, still visible in export with their superseded_by id) — a Zep-style update-in-place without ever losing history. Paid: $0.001 per write via x402 (p
Install memory →Parameter Type Description content*string The memory text (max 8000 chars) tagsarray supersedesarray ids of prior memories (same namespace) that this write supersedes
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.