"Email" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
MCP-native AI browser testing for coding agents. Submit a URL + goal, get back action trail, bugs, screenshots, and WebM video your agent patches from directly. 43 tools, 12 AI evaluation personalities, combo tiers with auto-pause-on-bugs, throwaway email + SMS inboxes.
External checks of TLS, HTTP headers, email domain, DNS and ports, with cause and fix
Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.
Email for long-term client relationships: ARVX reads each person first and remembers every pair.
Email infrastructure for AI agents. Connect your coding agent and it sets up email in your app: create templates, segments, workflows and webhooks, send test emails and read back what was delivered, track events, and create agent inboxes. Sign in with OAuth or use a Volanea API key. Test keys render and log but never deliver. 1,000 emails free every month.
9 pay-per-call tools for AI agents: OFAC sanctions screening, one-call counterparty checks, company records, domain DNS/WHOIS and trust reports, email validation and package security audits. USDC via x402.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Cold email compliance check across 8 countries: per-address verdict, rule cited, signed receipt.
Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMA.
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
Email header analyzer: SPF/DKIM/DMARC/ARC verdicts, domain alignment, hop delays. No lookups.
12 tools: OFAC sanctions, counterparty checks, company, domain, email. 25 free calls.
Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.
GrowthVector's free marketing knowledge base for AI assistants: search SEO, GEO (AI search), paid ads, email, and affiliate marketing guides, read full pages, look up glossary terms, and get ready-made prompts. GrowthVector (growthvector.io) is a free library of practical marketing guides and tools for small businesses.
Email infrastructure on Volanea: build templates, segments and workflows, send and check email.
Passive OSINT and security recon: DNS, TLS, email posture, IP reputation, CVE/KEV, CT logs.
Connect inboxes to your AI, with built-in progress and optional owner-confirmed outgoing email.
Written fix-and-flip term sheets for 1–4 unit investment purchases, by email. Business-purpose only.
Disposable email checker: disposable, role, free-mail and look-alike flags. List-based, no MX.
Marketing-email intelligence for e-commerce brands in the Nordics and Germany. Signal follows 1 000+ online stores, mostly in Sweden, Norway, Denmark, Finland and Germany, and has captured 75,000+ of their marketing emails. Ask how often a brand emails, what it sent last week or in a given month, or which brands in a market email the most. Counts are de-duplicated campaign sends (welcome, birthday and transactional emails excluded), and every answer links to the brand's public page as its source. Free and read-only: no API key, no sign-in. No open, click or revenue data.