"Gmail login" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Italian home purchase, inheritance and gift tax calculators by a notary's office. No login.
ai-mail.sh gives your AI agent its own email address for $0.05, paid with x402 (USDC on Base), with no signup. Verification codes and links come back already extracted, and wait holds the request until mail arrives. Addresses are never reassigned: come back months later, pay again, same address. Receive-only, no tracking, and you delete it, it's gone. Works over HTTP or MCP.
70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data
Email inboxes for agents by the hour: wait for a mail, get the code or link. Pay per call.
91Verify ZUGFeRD/Factur-X e-invoices against EN 16931 (XML structure, Schematron business rules, PDF/A-3), read invoice data from PDF invoices and convert them into EN 16931-compliant ZUGFeRD PDFs, and check business partners via EU VAT ID (VIES) and Peppol reachability. Verification, VAT ID and Peppol checks are free; extraction and conversion need a finisma subscription or credits. OAuth 2.1 login. Files are processed in Germany and deleted within 5 to 15 minutes.
Hosted agent inboxes: read mail, send to owner-approved recipients. Mail is server-readable.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.
Email inboxes for recurring agent work. Read, search, reply, draft and organize correspondence.
Search Signed's public angel investor directory by sector, check size, or keyword. No login needed.
Price any live event: parties, weddings, conferences, concerts. Instant estimates, no login.
Send a USPS Certified Mail letter to any US address from ChatGPT, Claude or Grok. The assistant prepares the letter and hands back a review link; a person reads it, checks the recipient, pays and authorizes. Nothing is printed, mailed or charged without that approval. $16.17 with the electronic return receipt, $13.18 without. No subscription, and no account needed to see a price. Docs: https://piloxa.com/send-a-certified-letter-online
Rattlesnakes By Mail is a public record of dated, sourced claims about AI crawlers and AI agents, including GPTBot, ClaudeBot, PerplexityBot, Googlebot, and Applebot. Each claim carries a verbatim quote from vendor documentation, a publication date, and an evidence URL. Five MCP tools cover crawler lookup, user agent identification, change history since a given date, free-text question matching against published claims, and token-gated correction notes.
SmartMoney77 MCP v0.6.0 — 14 public tools that turn financial questions into exact numbers and citable links. New: historical_investment_return and compare_investments, which compute "what if I had invested" results from real yearly price data. Also compound interest, FIRE number, credit-card payoff, emergency fund, inflation, latte factor, investment fees, cost of waiting, plus discovery/deep-link/share-pack tools for a catalog of calculators in 6 languages (he/en/ar/es/pt/in). Public, no login. Endpoint: https://smartmoney77.com/mcp
Audit and build email signatures that survive Gmail, Outlook desktop and Apple Mail.
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
Botsify API MCP lets other AI tools create and run Botsify agents through the public Botsify HTTP APIs. Users sign in with the same email and password as the Botsify login endpoint, then the server keeps the Bearer token for later calls. It covers the documented Postman collection (bots, messenger users, send message, user attributes, analytics, WhatsApp templates and broadcasts, and whitelabel clients and packages) and the extra agent endpoints that are not in that collection: create agent with
Monitor public pages with source URLs, timestamps, hashes, text diffs and signed webhooks. One daily monitor is free for 30 days; the $9, 30-day pass adds five monitors at a 15-minute minimum interval, 15,000 checks and change history. No auto-renewal. Public connection supports preflight and offer tools; obtain a key on the website (POST /v1/keys/free for the free tier) and pass api_key to monitor tools. Public text/HTML/JSON/XML up to 3 MB; no browser rendering or login bypass. Hosted commercial service; engine and source remain private.
Verify email addresses in real time and find business email addresses with live mailbox checks.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
