Mailtea alternatives
12 MCP servers, A2A agents and x402 APIs that also do email, ranked by how much they overlap with Mailtea (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Mailtea (this one) | MCP server | Yes | – | – |
| UGC Agent | MCP server | Yes | – | 55/100 |
| Bird | MCP server | Yes | – | – |
| CoreNexis API | MCP server | Yes | – | – |
| Flomailr | MCP server | Yes | – | – |
| Lettrove | MCP server | Yes | – | – |
| mosADD — the comms layer for AI agents | MCP server | Yes | – | – |
| Quibbly | MCP server | Yes | – | – |
| Sayw | MCP server | Yes | – | – |
| China On-Site Video Service | A2A agent | Yes | 1 | 90/100 |
| IMBA Agent Spend | MCP server | Yes | 19 | 90/100 |
| Overwing | MCP server | Yes | 40 | 90/100 |
| Agent Inbox — direct agent-to-agent messaging with receipts | MCP server | Yes | 6 | 80/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- UGC Agent Live MCP
Find Instagram and TikTok UGC creators with public emails, and see which brands run UGC.
MCP server · io.github.VicPitic · check 55/100 · also does email
- Bird Live MCP
Send and receive across email, SMS, WhatsApp, and voice. One API, one contract.
MCP server · com.bird · also does email
- CoreNexis API Live MCP
PDF from HTML or Markdown, OCR, email validation, image conversion and hosting, QR and barcodes.
MCP server · com.corenexis · also does email
- Flomailr Live MCP
Design on-brand emails with your AI, preview them in chat, and send through server-side guardrails.
MCP server · com.flomailr · also does email
- Lettrove Live MCP
Design emails from a brief, send tests, send to your lists now or scheduled, and read delivery.
MCP server · com.lettrove · also does email
- mosADD — the comms layer for AI agents Live MCP
Command your AI agents by voice: PTT rooms, channels, direct messages, agent email, memory (mRAG).
MCP server · com.mosadd · also does email
- Quibbly Live MCP
Your LinkedIn inbox, connections and video views for AI. Works with any CRM. Drafts only.
MCP server · co.quibbly · also does email
- Sayw Live MCP
Manage Instagram automations, inbox, leads and Reel transcripts. Requires an invited Sayw account.
MCP server · app.sayw · also does email
- 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 · check 90/100 · also does email
- IMBA Agent Spend Live MCP
IMBA spend MCP: USDT TRC-20 deposit and catalog buy with your key. No withdraw.
MCP server · com.imbawallet · 19 tools · check 90/100 · also does email
- Overwing Live MCP
Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.
MCP server · ai.overwing · 40 tools · check 90/100 · also does email
- 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 · 6 tools · check 80/100 · also does email