Could Have Been Email is listed as active in the registry but did not answer our last check. It exposes 45 tools. Last commit 9 Nov 2026.
could-have-been-email MCP — wraps StupidAPIs (keyless — no credential needed)
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 8 August 2026. No other catalogue keeps this.
Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.
claude mcp add could-have-been-email --transport http https://gateway.pipeworx.io/could-have-been-email/mcp
https://gateway.pipeworx.io/could-have-been-email/mcp
[mcp_servers.could-have-been-email]
url = "https://gateway.pipeworx.io/could-have-been-email/mcp"
{
"mcpServers": {
"could-have-been-email": {
"url": "https://gateway.pipeworx.io/could-have-been-email/mcp"
}
}
}
{
"servers": {
"could-have-been-email": {
"type": "http",
"url": "https://gateway.pipeworx.io/could-have-been-email/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
polymarket_arbitrage
polymarket_edge_tracker
polymarket_edges
polymarket_fill_risk
polymarket_kalshi_spread
ask_pipeworx
ask_pipeworx_beta
ask_pipeworx_grounded
archive_compare
archive_evidence
company_facts
company_register_search
pipeworx_feedback
pipeworx_trending
recent_alerts
recent_changes
resolution_audit
resolution_diff
scan_competitor_ai_presence
scan_dependency
updown_divergence_rate
updown_venue_compare
bet_research
classify_row
compare_entities
could_have_been_email_analyze
deep_research
discover_tools
entity_profile
forget
generate_llms_txt
kalshi_weather_edge
prediction_calibration
recall
release_calendar_markets
remember
research_row
resolve_entity
subscribe
list_subscriptions
suggest_questions
unsubscribe
validate_claim
ai_visibility_check
search_within
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://gateway.pipeworx.io/could-have-been-email/mcp | streamable-http | answering | 77 ms | 5 min ago |
Keyless MCP server for Discord invites and server widgets. No bot token needed.
Icypeas MCP — wraps the Icypeas email-search API (icypeas.com)
Reoon MCP — wraps the Reoon Email Verifier API (reoon.com)
Disposable email for agents: create an inbox, wait for the message, read the code. No key needed.
MCP server for Brevo: account, contacts, email reports. Needs a free API key.
BounceBan MCP — wraps the BounceBan email-verification API (bounceban.com)
Emailable MCP — wraps the Emailable email verification API (emailable.com)
Free email for agents. create_account needs no credentials, so an agent can sign itself up.
Answers built from our own checks of this server.