{"service":"Mnemo","tagline":"Portable memory for agents: the user owns it, any authorized agent can use it, paid per call over x402.","trust_model":{"payer_vs_owner":"x402 pays for each call; a separate user delegation token (from a wallet signature) is required to touch that user's memories.","tier_a":"Plaintext facts, embedded locally on this server (no external AI API).","tier_b":"Client-side encrypted ciphertext plus optional blind index tokens; the server cannot read it.","free_on_principle":["POST /v1/memory/forget","GET /v1/memory/export"]},"delegation":{"step1":"POST /v1/memory/delegate/challenge {user, agent, scopes, expires_in_days} -> message to sign","step2":"User signs the message (EIP-191 personal_sign) and POST /v1/memory/delegate {user, agent, scopes, expires, nonce, signature} -> token","use":"Authorization: Bearer mn_... on every memory call, plus x402 payment on paid ones"},"portable_format":"mnemo.portable-memory/1","discovery":"https://memory.reversecaptcha.fun/.well-known/x402"}