P0: agent memory and utilities

ONLINE P0: agent memory and utilities answered an MCP connection on 07 Nov 2026 and introduced itself as agent-memory-utils 0.2.0 (MCP protocol 2025-06-18).

14 tools offered to AI assistants

• kv_put · Use when an agent needs memory between runs without an account: store value (text or JSON, up to 8 KB) under key in a private namespace keyed to the wallet that pays. Returns the exact paid x402 request for your input (POST /kv/put, $0.001
• kv_get · Use when an agent needs a value it stored earlier with /kv/put: returns the text (and parsed json when it was stored as JSON), size. Returns the exact paid x402 request for your input (GET /kv/get, $0.001 per call), with a link to the full
• kv_list · Use when an agent needs to see what it has stored: lists up to 100 keys (optionally under prefix) in the namespace of the paying wallet with size, stored_at and expires_at. Returns the exact paid x402 request for your input (GET /kv/list, $
• util_uuid · Use when you need fresh UUIDs: n (1-100) random v4 or time-sortable v7 identifiers, generated on Cloudflare's edge with crypto randomness, no external call, under 100 ms. Returns the exact paid x402 request for your input (GET /util/uuid, $
• util_hash · Use when you need a checksum or digest of a string: sha256 (default), sha1, sha384, sha512 and md5 of text given as utf8, hex or base64 (up to 64 KB), hex digests, no external call. Returns the exact paid x402 request for your input (GET /u
• util_ip · Use when an agent needs to know how it is seen from outside: its public IP plus the country, region, city, ASN, AS organization. Returns the exact paid x402 request for your input (GET /util/ip, $0.001 per call), with a link to the full sch
• util_jwt_decode · Use when you need to inspect a JWT without a key: decoded header and payload, alg, kid, iat/nbf/exp as ISO times and whether it is expired now. Returns the exact paid x402 request for your input (GET /util/jwt-decode, $0.001 per call), with
• util_json_validate · Use when you must check that a JSON document fits a schema before acting on it: validates json against a JSON Schema subset. Returns the exact paid x402 request for your input (GET /util/json-validate, $0.001 per call), with a link to the f
• util_base64 · Use when you need base64 in or out: encode UTF-8 text to base64 (standard or url_safe) or decode base64 back to text (hex when the bytes are not UTF-8), up to 64 KB, no external call. Returns the exact paid x402 request for your input (GET
• time · Use when you need the current UTC time from a server clock, the local time, UTC offset and DST flag in up to 10 IANA time zones (tz=Europe/Berlin,Asia/Tokyo). Returns the exact paid x402 request for your input (GET /time, $0.001 per call),
• random · Use when you need publicly verifiable random numbers: n integers in [min,max], a pick from choices=a,b,c or a unique draw, derived from a drand (League of Entropy) beacon round with round. Returns the exact paid x402 request for your input
• x402_test_purchase · Use when you test an x402 or MPP client, wallet, SDK, facilitator or CI: a test target for x402/MPP clients, use it in your integration tests. Returns the exact paid x402 request for your input (GET /x402/test, $0.001 per call), with a link

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

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