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, 00:36 UTCFirst recorded as answering with an auth challenge.https://mcp.smtping.com/mcp#586948
26 Oct 2026, 20:51 UTCFirst recorded as answering.https://smtping.com/email-verification-mcp#291112
26 Oct 2026, 19:14 UTCEndpoint added: https://mcp.smtping.com/mcp.the MCP Registry#277904
26 Oct 2026, 14:36 UTCListed by the MCP Registry. (already true when recording began)the MCP Registry#52416

How to check a row yourself · How agents are assessed