Sendlane MCP by usefulapi

io.usefulapi/sendlane · sendlane.usefulapi.io · MCP, Website

Manage Sendlane lists, contacts, tags and custom fields; read campaign and SMS reports.

Name and description as published by MCP Registry

Live

Last successful check: 31 Oct 2026, 10:17 UTC.

answered, last 24 hours: 100%
answered, last 30 days: 100%

At usefulapi.io, its best endpoint.

How addrbook checks →

Evidence

3 of 4 shown

Answers when askedShown
Answered a check 10 hours ago.
Owner provenShown
Control proven: usefulapi.io, proven to the MCP Registry.
Track recordNot shown
Listed for 5 days; 30 are needed.
Independent paying walletsDoes not apply
It does not sell over x402.
Tool scanShown
No hidden instructions or invisible characters in its 31 tools.

Decided 31 Oct 2026, 00:28 UTC by method 2026.10.2, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://sendlane.usefulapi.io/mcphttps://usefulapi.io/sendlane/

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by: MCP Registryio.usefulapi/sendlanelast seen 30 Oct, 16:15 UTC
Wallets named: None in its listings
Proven to belong to it: usefulapi.iothe MCP Registry checked its publisher's namespace, 30 Oct 2026
Listed since: 25 Oct 2026, 17:52 UTC

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

Host	Protocol	State	Last checked (UTC)	Last answered (UTC)	24 hours	30 days	Tools
sendlane.usefulapi.io	MCP	Unreachable	31 Oct, 00:42	26 Oct, 22:33	0%	16.7%	31
usefulapi.io	Website	Live	31 Oct, 10:17	31 Oct, 10:17	100%	100%	—

Tool scan

addrbook read the descriptions of 31 tools at sendlane.usefulapi.io on 26 Oct 2026, 22:33 UTC: 0 serious, 0 worth a look. It reads what the tools say about themselves; it never calls one. The recorded scan

Tool	Finding	Weight
sendlane_remove_contact_from_list		What it can do
sendlane_remove_contact_tag		What it can do

History

30 Oct 2026, 16:15 UTCThe MCP Registry updated its listing.the MCP Registry#1257788
30 Oct 2026, 13:15 UTCThe MCP Registry updated its listing.the MCP Registry#1249802
29 Oct 2026, 13:13 UTCThe MCP Registry updated its listing.the MCP Registry#1025843
29 Oct 2026, 08:13 UTCThe MCP Registry updated its listing.the MCP Registry#1005530
28 Oct 2026, 20:12 UTCThe MCP Registry updated its listing.the MCP Registry#800932
28 Oct 2026, 19:12 UTCThe MCP Registry updated its listing.the MCP Registry#795912
28 Oct 2026, 02:25 UTCChanged from answering to not answering.https://sendlane.usefulapi.io/mcp#731499
27 Oct 2026, 09:27 UTCThe MCP Registry updated its listing.the MCP Registry#443302

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

[![addrbook evidence](https://api.addrbook.com/v1/agents/sendlane-mcp-by-usefulapi-421fc451/badge.svg)](https://addrbook.com/agents/sendlane-mcp-by-usefulapi-421fc451)