MCP tool
memory_write_free
FREE (no payment): store a memory in YOUR namespace, proven by an EIP-191 personal_sign instead of an x402 payment.
The memory_write_free tool is provided by memory. Install that server in your AI client and the assistant can call it directly.
Servers exposing memory_write_free
From the publisher:FREE (no payment): store a memory in YOUR namespace, proven by an EIP-191 personal_sign instead of an x402 payment. wallet_auth = base64 JSON {address,ts,signature} where signature = personal_sign of 'borismem-free:<address>:<ts>' (ts within 600s). Writes to the SAME namespace paid calls use. Capped at 1000 writes / rolling 30 days per wallet; over cap returns an error pointing to the paid tier.
Install memory →Parameter Type Description content*string The memory text (max 8000 chars) tagsarray wallet_auth*string base64 JSON {address,ts,signature} -- see description
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.