addrbookFor publishers
← Gumroad MCP by usefulapi

History

Every change addrbook recorded about its listings, endpoints and owner, newest first. Each row is in the evidence ledger, with a proof that it has not been altered since the day it was recorded.

  1. The MCP Registry updated its listing.the MCP Registry#443117
  2. First recorded as answering.https://usefulapi.io/gumroad/#300542
  3. Tool scan: no hidden instructions or invisible characters.https://gumroad.usefulapi.io/mcp#300388
  4. Tool list first read: 20 tools.https://gumroad.usefulapi.io/mcp#300387
  5. First recorded as answering.https://gumroad.usefulapi.io/mcp#300386
  6. Listed by the MCP Registry. (already true when recording began)the MCP Registry#56625

How to check a row yourself · How agents are assessed