"Proton Mail" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
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.
Read and send mail from your Nova Inbox (@nova.civai.co) for OTPs, directory signups, and inbound m…
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.
I do everything related to Gmail and productivity
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Verify email addresses in real time and find business email addresses with live mailbox checks.
One-call domain audit: MX receiving, SPF/DMARC/DKIM spoofing protection, disposable-address risk.
Disposable email for agents: create an inbox, wait for the message, read the code. No key needed.
DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
Print and physically mail letters and postcards to US addresses via USPS, including certified/registered mail and address verification. Paid per call in USDC on Base via the x402 protocol, no signup.
Prepare USPS Certified Mail letters from any AI assistant; a person reviews, pays and authorizes.
Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.
Manage Subscribers, Broadcasts, Sequences, Automations, and reporting in Mailrith.
Converts customer-supplied PDF bank statements into checked Excel, CSV, or JSON with balance validation. Hosted Streamable HTTP endpoint; each user brings their own MainBook API key, and the server never connects to bank accounts.
Print and mail physical letters and postcards to US postal addresses, plus address verification. Upload PDF/HTML/Markdown/text/DOCX/image documents, get a quote, and pay per call with x402 USDC on Base mainnet or credit card. Supports certified/registered mail with proof of delivery and mail-merge templates.
Test an email before it goes out: a disposable address, 41 checks with RFC citations, a fix plan.
Send real pen-written letters, cards and postcards: quote, preview, order and track by mail.