Email: MCP servers, A2A agents and x402 APIs
Servers and agents that read, send, verify or organize email. 158 listings in the Rooms directory, 157 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- compliapi.com Live x402
Screen a website URL or domain against OFAC SDN and other global sanctions lists. Call before paying, advertising on, or integrating with a website to check for sanctions associations. Returns per-list matches with sour…
x402 paid API · 4 endpoints
- Confirme, by Synapse Live MCP
Did it really happen? Independent signed receipts for AI agents: page, domain, email, heartbeat.
MCP server · com.synapseconnexion.www
- Cooper Email Live MCP
Email inboxes for AI agents: send, receive, search, drafts with owner approval, and webhooks.
MCP server · com.cooperemail
- Dead Simple Email Live MCP
Give an agent its own inbox: send, receive, and pull signup codes from real email.
MCP server · email.deadsimple
- DevMatch (zachary-royals) Live MCP
DevMatch is an MCP server for hiring engineers based on what they've actually built. Connect from Cursor, Claude Desktop, or any MCP-compatible AI assistant and search 35M+ developers ranked by verified open-source cont…
MCP server · zachary-royals
- discoverdmc.cloud Live x402
Fetch any http(s) URL and return clean markdown of the page. Saves agents tokens versus raw HTML. Input: url. (6 paid endpoints on api.discoverdmc.cloud.)
x402 paid API · 6 endpoints
- dmarc-lookup.underscoredone.com Live x402
Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your…
x402 paid API · 1 endpoint
- DNAAI prediction ledger Live A2A
A public ledger of probability forecasts made by autonomous agents, and of what actually happened. Every published event carries a frozen spec -- asset, operator, baseline day, target day, tolerance -- so its settling r…
A2A agent · DNAAI · 8 skills
- Easy Email Verification Live MCP
Verify email addresses before you send: single, batch (50) and bulk lists (10,000).
MCP server · com.easyemailverification
- email-auth.use.x402atlas.com Live x402
Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability a…
x402 paid API · 1 endpoint
- Email Inbox API + Sending by Sendmux Live MCP
AI email inbox and sending tools with attachments, search, live events, and webhooks.
MCP server · io.github.Sendmux
- email-verifier.underscoredone.com Live x402
Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like adm…
x402 paid API · 1 endpoint
- email-verify-api-production-d262.up.railway.app Live x402
Verify a single email: syntax, MX records, SMTP RCPT probe, catch-all, disposable, role-based, free-provider, typo suggestion, 0-100 score, and verdict. (3 paid endpoints on email-verify-api-production-d262.up.railway.a…
x402 paid API · 3 endpoints
- Emaillistchecker.io Email Verification Live MCP
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
MCP server · io.emaillistchecker
- factline.dev Live x402
Use when you need to check that a Dutch address exists or get its exact spelling and coordinates: official BAG address from postcode + house number or free text, latitude/longitude, BAG ids, municipality, province and C…
x402 paid API · 12 endpoints
- Faivelo Email Live MCP
Business email on your own domain: mailboxes, send and read mail, aliases, DNS setup, and campaigns.
MCP server · com.faivelo
- FavCRM — Agentic CRM Live MCP
**Agentic CRM for service businesses** — 136 typed tools across customers, bookings, loyalty, invoices, and WhatsApp/SMS. Hosted at `api.favcrm.io/mcp`. ### What it does - **Customers & loyalty** — segments, memberships…
MCP server · favcrm
- fetch.halowerk.com Live x402
Read the mandatory public disclosure of one domain and return company, postal address, e-mail, phone, VAT and register data with a source for every value. (3 paid endpoints on fetch.halowerk.com.)
x402 paid API · 3 endpoints
- FGAC.ai: Multiple Gmail Accounts, Google Sheets & Docs Live MCP
Multiple Gmail accounts, editable Google Sheets & Docs for AI agents. Deny-by-default access rules.
MCP server · ai.fgac
- Fieldwright (io.github.CyberMax-tools) Live MCP
Fieldwright: web page to clean Markdown, metadata, JSON-LD, emails, phones.
MCP server · io.github.CyberMax-tools
- Fine Structure Live MCP
Build and host full-stack apps from a prompt, with agents that reach you on WhatsApp and email.
MCP server · ai.finestructure
- forgemesh.io Live x402
Agent fortune API: a fortune cookie written specifically for AI agents ('A cached response is worth two upstream calls'), plus a lucky number and lucky HTTP status code. The cheapest, most delightful way to make your fi…
x402 paid API · 12 endpoints
- Friday Flight Deals Live MCP
The newest cheap flight deals from the Friday Flight Deals newsletter.
MCP server · com.fridayflightdeals
- gigsoul.com Live x402
Fast, cheap spam-risk gate for one email: pass/warn/fail, a 0-100 score, and up to 3 flagged phrases. Use for a go/no-go before sending or for bulk screening of many drafts. No rewrites. For a full audit with reasons, s…
x402 paid API · 1 endpoint
- Google Maps Lead Gen MCP — Local Business Enrichment Live MCP
B2B lead generation tool: search Google Maps by 'plumbers in Austin', get back business profiles with emails, phone numbers, ratings, websites. The differentiator over plain Google Maps API is the contact-enrichment lay…
MCP server · nexgendata-apify
- GTD Brain Live MCP
Getting Things Done (GTD) board: capture to Inbox, next actions by context, projects, waiting-for.
MCP server · com.gtdbrain
- Hello Retail Live MCP
Set up and tune ecommerce Search, Recommendations, Pages, Email, Product Agents and Analytics.
MCP server · com.helloretail
- HTML Email Playbook Live MCP
Teaches AI to write HTML email that renders in Outlook, Gmail, and Apple Mail. 19 rules, 6 comps.
MCP server · io.github.OsamaHassouna
- HubVibe: Pay-per-Call Agent Tools: Web Search, Email Verify, KYC Screening, Sto… Live MCP
70+ pay-per-call tools for AI agents: web search, email verify, KYC, stocks, crypto, news, data
MCP server · io.github.Its-fortunatefolly
- Human Browser Live A2A
Human Browser — a cloud browser agent. Send a goal in plain English; a real Chromium on a residential IP in your chosen country (75 available) does the job — logs in, clicks, fills forms, solves CAPTCHAs, reads pages —…
A2A agent · Virix Labs · 9 skills
- IBANforge Live MCP
IBAN validation and bank-data tools for AI agents, ERP, invoicing and payroll workflows. IBANforge covers 89 countries and provides BIC/SWIFT lookup, Swiss clearing lookup, SEPA and country-risk indicators, payment-refe…
MCP server · cammac
- IntentWake Audience Intelligence Live MCP
Enrich first-party lists with live intent, activity, and inbox signals for marketing and outreach.
MCP server · com.intentwake
- IntoDNS.ai DNS & Email Security Scanner Live MCP
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
MCP server · ai.intodns
- Jake Gaylor Live A2A
Agent representing Jake Gaylor, a software engineer (platform engineering, Kubernetes, developer tooling). Answers questions about Jake Gaylor using a small language model grounded strictly in his published resume and b…
A2A agent · Jake Gaylor · 6 skills
- Kasar CRM Live MCP
AI-native CRM: records, pipelines, tasks, calendar and the email, LinkedIn and WhatsApp inbox.
MCP server · app.kasar
- keyronne.com Live x402
Compute cryptographic digests and HMACs deterministically: MD5, SHA-1, SHA-256, SHA-384, SHA-512, output as hex, base64, or base64url. Add a "key" for HMAC. Built for checksums, content addressing, and signature verific…
x402 paid API · 12 endpoints
- Lane Live A2A
AI CMO that never sleeps. Lane is an always-on AI Chief Marketing Officer that autonomously discovers optimal marketing channels, extracts and codifies brand DNA, generates on-brand content, and orchestrates multi-chann…
A2A agent · Luminary Lane · 6 skills
- Lead Radar Live MCP
B2B lead generation from Google Maps: search, dedupe and email-enrich businesses. Needs API key.
MCP server · fr.lead-radar
- LeadBoxer: company enrichment and IP to company Live MCP
Company enrichment API: firmographics from a domain, work email or IP. Identifies website visitors.
MCP server · com.leadboxer.mcp
- Limitguard Lead Verification Live MCP
Lead validation over MCP: KVK/KBO register, EU VAT, sanctions and email checks with sources.
MCP server · ai.limitguard.api
- linkedpanda.com Live x402
LinkedIn profile search results page (10 paid endpoints on api.linkedpanda.com.)
x402 paid API · 10 endpoints
- Local MCP Live MCP
Mac & Windows: let ChatGPT, Claude & Cursor use your email, calendar, iMessage, Teams, files.
MCP server · com.local-mcp
- Local MCP (lanchuske) Live MCP
Give your AI agent full control of your real apps — Mail, iMessage, Microsoft Teams, Slack, WhatsApp, Calendar, OneDrive, Outlook, OmniFocus, Notes, files and Office docs. 143 tools, 100% local, no API keys. Reaches wha…
MCP server · lanchuske
- LovedOne Family MCP Live MCP
Family inbox: read records; invite, reply, mint codes. API key or OAuth care_circle:write.
MCP server · app.lovedone
- Mailbox MCP Live MCP
Read, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.
MCP server · com.mailbox-mcp
- Mailbuttons (mbag.ai) Live MCP
Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.
MCP server · com.mailbuttons
- mailcheck.hugen.tokyo Live x402
MX record lookup for any domain — returns whether mail servers exist and their hostnames sorted by priority. Verify email deliverability before sending. Supports all TLDs including ccTLDs and new gTLDs. No DNS library s…
x402 paid API · 3 endpoints
- mailcheck.netzhandwerker.de Live x402
DNS and list based verification. Never claims that a mailbox exists without evidence: without an SMTP probe the verdict for a routable address is "unknown", not "valid".
x402 paid API · 1 endpoint
Related capabilities
x402 paid APIsSocial mediaOn-chain dataAgent infrastructureAI models & inferenceMarketing & SEOResearchWeb scraping
How to use one
MCP servers plug into Claude, ChatGPT, Cursor and other AI clients; A2A agents take tasks over JSON-RPC; x402 APIs charge per call in USDC with no account. Guides: A2A vs MCP · How to call an A2A agent · x402 for agents.
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