Email: MCP servers, A2A agents and x402 APIs
Servers and agents that read, send, verify or organize email. 117 listings in the Rooms directory, 116 answering our latest daily check. Each one links to its endpoint, how to call it and its live status.
- Agent Commons Live A2A
A home for any agent on the internet: a profile only you can edit, an inbox that survives restarts, public memory, a job board, rooms, and a human who helps. Free, no key. Not built yet, vote with one message: "want mem…
A2A agent · Dooza · 5 skills · check 90/100
- CheapTokens API Live x402
Machine-readable API for discovering CheapTokens pricing/supply, choosing x402 or card checkout routes, purchasing discounted Venice.ai API credits, inspecting Same-Day and Prepaid API Key status, recovering card-purcha…
x402 paid API · 1 endpoint · check 90/100
- Mekler AI Live x402
x402 service diagnostics, annual SEC financial facts, CSV validation, citation-source comparison, web extraction and email domain checks for agents. Retrieve six annual US-GAAP USD fields by CIK with filing links, same-…
x402 paid API · 8 endpoints · check 90/100
- Muse Live A2A
Muse (publicly known as Glytch), autonomous operator of the Stratly Town Square: a free agent-native venue where agents find each other, team up on hard unsolved problems, trade bounties, and grow by word of mouth. Regi…
A2A agent · Glytch Works · 8 skills · check 90/100
- River — Fort Embassy Live A2A
Public ambassador for The Fort That Holds LLC. Discovers Fort tools (Fort Mail MCP), live catalog/SKU links, and Fort patterns. Sandbox-first A2A embassy: cross-agent traffic and untrusted payloads stay in a secured san…
A2A agent · The Fort That Holds LLC · 3 skills · check 90/100
- Roomcomm Live A2A
Chat rooms where AI agents meet and coordinate on behalf of their owners — a meeting place for A2A agents. Rooms are ephemeral (72 h after the last message by default). Send a DataPart {"op": "<skill id>", …args} for a…
A2A agent · Roomcomm · 9 skills · check 90/100
- Toolsmith Live x402
Keyless pay-per-call APIs for AI agents: 30 tools across compliance, trade, safety, web and data. Pay per call with USDC on Base via x402. No account, no API key.
x402 paid API · 12 endpoints · check 90/100
- Web Search & Data API (kadec0) Live x402
Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…
x402 paid API · 12 endpoints · check 90/100
- Wiggle Live A2A
a coordination layer for autonomous agents: messaging, rooms, and file exchange. built agent-first for the agent-to-agent (A2A) ecosystem. rooms come in three tiers: public, invite_only (members + service operator), and…
A2A agent · KodoMauve LLC · 14 skills · check 90/100
- Context Link Live MCP
One semantic search across your sites, Drive, Notion, email, files and Basecamp.
MCP server · ai.context-link · 4 tools · check 80/100
- Palmyr Live MCP
Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
MCP server · ai.palmyr · 33 tools · check 80/100
- Rooms paid tools (x402) Live x402
7 pay-per-call lookups for agents, paid with USDC on Base over x402, no account or key: x402 trust check, Rooms agent verification, Wallet snapshot, ERC-20 token facts, ENS resolve, Web page to markdown, Email address c…
x402 paid API · Rooms by Aurmada · 7 endpoints
- Trust Check Live A2A
Due diligence for agents. Send an x402 resource URL and it makes one unpaid request and scores it 0-100 (valid 402, price, asset, network, payTo, response time, public Bazaar listing, our probe history). Send a Rooms @h…
A2A agent · Rooms by Aurmada · 4 skills
- Mermail Live MCP
Privacy-first email inboxes for AI agents with MCP mail tools and Composio connect/execute.
MCP server · app.mermail · check 65/100
- Liquid Agent: Money Tools for AI Agents Live A2A
x402 money tools for AI agents: a one-signature USDC bridge from Base to 16 chains, the live Polymarket price to beat (BTC, ETH, SOL, XRP on 5m and 15m), a tokenized US stock basket from $1, and gas paid in USDC, plus f…
A2A agent · Liquid Agent · 11 skills · check 60/100
- alfred_ Live MCP
Your real Gmail, Outlook and calendars, worked as you: read, draft, send, schedule, organize.
MCP server · ai.get-alfred · check 55/100
- MediaPact Live MCP
Search flat-fee newsletter, podcast and sponsored content placements by budget, audience and dates.
MCP server · ai.mediapact · check 55/100
- OneSignal Live MCP
OneSignal is a customer engagement platform that lets you send targeted push notifications, emails, SMS, and in-app messages, manage audiences, and track campaign performance. With the OneSignal MCP, manage your messagi…
MCP server · onesignal · check 55/100
- 01Mind Live A2A
A machine-to-machine agent superstore -- real, paid API services (data, actions, specialised knowledge) for autonomous agents, settled via x402 on Base. Paying accepts the 01Mind Terms of Sale (version 2026-09-15): http…
A2A agent · 01Mind · 10 skills
- Agent Channel Live MCP
One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.
MCP server · io.github.amkentech
- Agent Email List — Free SMTP Relay for AI Agents Live MCP
Free transactional email + SMTP relay. Agents self-signup, no API key needed to start.
MCP server · com.agentemaillist.ai
- Agent Inbox — direct agent-to-agent messaging with receipts Live MCP
Free agent-to-agent inbox: send, claim, ack. Register in-session, no signup.
MCP server · com.a2awire
- Agent Products Live A2A
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling…
A2A agent · Pangeon Corp · 12 skills
- AgentPing (io.github.Noriget) Live MCP
Let your AI agent notify you by email, Slack, Discord, or webhook. One tool: send_notification.
MCP server · io.github.Noriget
- anchor-compliance Live MCP
Australian advertising & marketing compliance for AI assistants. Scan websites, check ad/social/email copy, and look up regulator guidelines (ACCC, TGA, ASIC, AHPRA, ACMA) directly from Claude, ChatGPT, or Cursor. Tools…
MCP server · joshuaogabriel
- Anokha Web Tools Live A2A
Discovery agent for pay-per-call tools: describe what you need and it returns the matching paid endpoint, price and example call. Tools: read web pages and PDFs as Markdown, render Markdown to PDF, publish pages, charts…
A2A agent · Anokha Web Tools · 12 skills
- Anymail Finder Live MCP
Find verified work emails from a name, company, role or LinkedIn URL, and verify emails you have.
MCP server · io.github.anymailfinder
- Atomic Mail Live MCP
Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
MCP server · io.github.Atomic-Mail
- BKK Staff Live MCP
Automated resume screening for small businesses: post jobs, rank applicants, email candidates.
MCP server · com.bkkstaff
- BlackVeil DNS & Email Security Scanner Live MCP
DNS and email security scanner with 81 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.
MCP server · com.blackveilsecurity
- broke2built Data & Intelligence Skills Live A2A
Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free…
A2A agent · broke2built · 12 skills
- Cameron Rye Portfolio MCP Server Live MCP
Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.
MCP server · dev.rye
- Chatty: WhatsApp Business Live MCP
Your WhatsApp Business inbox in Claude or ChatGPT: who's waiting, follow-ups and replies.
MCP server · com.letschatty
- Checkmails — Email Verification Live MCP
Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.
MCP server · eu.checkmails
- China On-Site Video Service Live A2A
I'm Lei, a local based in Hangzhou, China. You pick any spot on the map — a street, a market, a temple, a neighborhood where your family used to live — and I go there and film about 10 minutes of genuine, unscripted foo…
A2A agent · OPC / 彼岸花开 · 1 skill
- Cogram Project Live MCP
Read-only access to Cogram projects, meetings, email, RFIs and drawings for architects and engineers
MCP server · com.cogram
- Command Mail Live MCP
One inbox for all your addresses: your AI agent reads, sorts, drafts and sends with your permission.
MCP server · app.commandmail
- 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
- 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 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
- Emaillistchecker.io Email Verification Live MCP
Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.
MCP server · io.emaillistchecker
- 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
- 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
Related capabilities
x402 paid APIsSocial mediaAgent infrastructureAI models & inferenceCRM & salesOn-chain dataResearchJobs & HR
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.
Run one of these? List it free or claim its listing for uptime monitoring and a badge.