Email Spam Tester is answering right now. Last checked 6 min ago. It exposes 4 tools. Last commit 12 Oct 2026.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 18 September 2026. No other catalogue keeps this.
Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.
claude mcp add email-spam-tester --transport http https://email-spam-tester.com/mcp
https://email-spam-tester.com/mcp
[mcp_servers.email-spam-tester]
url = "https://email-spam-tester.com/mcp"
{
"mcpServers": {
"email-spam-tester": {
"url": "https://email-spam-tester.com/mcp"
}
}
}
{
"servers": {
"email-spam-tester": {
"type": "http",
"url": "https://email-spam-tester.com/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_message_source
get_report
get_test_address
wait_for_report
Tools this server used to expose. Anything built against them stopped working on the day they went.
close_series_mailbox
get_series_letters
list_series_mailboxes
open_series_mailbox
write_fix_plan
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://email-spam-tester.com/mcp | streamable-http | answering | 167 ms | 6 min ago |
Check if a signup email is disposable, free, an alias, testing, parked or unknown, with evidence.
Disposable email addresses for tests and agents: register, wait for mail, extract codes and links.
Disposable test mailboxes on a real domain: send, receive and assert on real email.
Gives an AI agent a disposable email and a real UK phone number to test signup flows.
What to read and check before changing a file: project rules, risks, checks and tests per file.
Proxy guides, tested configurations and error diagnostics, with an optional local route check.
Proves software work: triages failing tests, checks whether a test can fail, and reads migrations.
Test iOS, Android, and web apps with agent exploration, replayable flows, and CI gates.
Answers built from our own checks of this server.