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.

28 Oct 2026, 00:41 UTC2026-10-27: answered 1 of 1 checks.https://mcp.facebook.com/devtools#603369
27 Oct 2026, 00:02 UTC2026-10-26: answered 1 of 1 checks.https://mcp.facebook.com/devtools#318962
26 Oct 2026, 14:57 UTCFirst recorded as answering with an auth challenge.https://mcp.facebook.com/devtools#219819
26 Oct 2026, 14:36 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#37030

How to check a row yourself · How agents are assessed