SignupBouncer

Name: SignupBouncer
Author: com.signupbouncer

MCP serverMCP

An API that checks new signups for disposable emails and repeat accounts.

by com.signupbouncerhomepage ↗v1.1.1

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30-day availability38/38 checks ok

when	check	result	http	latency	detail
5 h ago	mcp initialize	ok	200	296 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
12 h ago	mcp initialize	ok	200	304 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
19 h ago	mcp initialize	ok	200	329 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
26 h ago	mcp initialize	ok	200	301 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
33 h ago	mcp initialize	ok	200	311 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	294 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	363 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
2 d ago	mcp initialize	ok	200	289 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
3 d ago	mcp initialize	ok	200	317 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools
3 d ago	mcp initialize	ok	200	307 ms	server signupbouncer 1.2.0 · protocol 2025-06-18 · 6 tools

Tools observed via MCP handshake

check_email — Checks one email address, and optionally the signup's IP address, the way SignupBouncer checks a new signup. Returns the result as "verdict" (allow, challenge o
explain_reason — Explains a SignupBouncer reason code (for example disposable_domain, burner_mx, repeat_inbox, datacenter_ip): what it means, how many points it adds or whether
lookup_burner_domain — Says whether a domain is on SignupBouncer's disposable (burner) email list, only on an old burner list (a challenge, not a block), a known relay service or a fr
integration_guide — Returns the steps and the copy-paste code that checks new signups with SignupBouncer in one stack: supabase (a hook, no code), ory (a web hook, no code), fetch
get_rules — Needs an API key. Returns the Rules settings of one of your apps: shadow or enforce mode, the challenge and block score cutoffs, what a challenge does in the Su
update_rules — Needs an API key. Changes the Rules settings of one of your apps, which changes live signup blocking for that app: the next real signups are scored and refused

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No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

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Official MCP Registrycom.signupbouncer/checker

first seen 11 d ago · fetched 12 h agoopen ↗

Field history (6 recent events)

11 d ago · declared · summary → "An API that checks new signups for disposable emails and repeat accounts."
11 d ago · declared · description → "An API that checks new signups for disposable emails and repeat accounts."
11 d ago · declared · publisherName → "com.signupbouncer"
11 d ago · declared · homepageUrl → "https://signupbouncer.com/docs#mcp"
11 d ago · declared · version → "1.1.1"
11 d ago · declared · protocols → ["mcp"]

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