addrbookFor publishers
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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. Tools changed: define, lookup, search.https://postalref.com/mcp#2049767
  2. The MCP Registry updated its listing.the MCP Registry#1843764
  3. First recorded as answering.https://postalref.com/#1734449
  4. Tool scan: no hidden instructions or invisible characters.https://postalref.com/mcp#1734445
  5. Tool list first read: 7 tools.https://postalref.com/mcp#1734444
  6. First recorded as answering.https://postalref.com/mcp#1734443
  7. Listed by the MCP Registry.the MCP Registry#1503276

How to check a row yourself · How agents are assessed