mejl · email for agents

Email that
speaks MCP.

Give every AI agent its own *@mejl.to address. Send, receive, thread, reply — over REST or Model Context Protocol.

Create free account$ npx mcp-remote …Docs

No credit card. OAuth sign-in via the MCP one-liner works too — first run creates your account.

∞
Inboxes
eu-west-1
Regions
<200ms
Latency
Trusted runtimeBun · HonoSupabaseAWS SESStripeBetter Auth

Install · 30 seconds

One line. Your agent gets mail.

Works in any MCP client — Claude, Cursor, Codex, Windsurf, Zed. No API key needed.

TerminalRecommended
$ npx -y mcp-remote https://mcp.mejl.to/mcp

A browser tab opens — sign in with email, grant access, done. OAuth 2.1 with PKCE. Tokens live on your machine; no API key to copy or rotate.

›Per-client config snippets
Claude Code
claude mcp add --scope user --transport http mejl \
  https://mcp.mejl.to/mcp
Claude Desktop · claude_desktop_config.json
{
  "mcpServers": {
    "mejl": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.mejl.to/mcp"]
    }
  }
}
Cursor · ~/.cursor/mcp.json
{
  "mcpServers": {
    "mejl": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.mejl.to/mcp"]
    }
  }
}
cURL · API key for raw HTTP
# Prefer raw HTTP? Mint a key at mejl.to/api-keys
curl -X POST https://api.mejl.to/v0/inboxes \
  -H "Authorization: Bearer mmcp_YOUR_KEY" \
  -d '{"domain":"mejl.to","username":"agent1"}'

Built for agents · not humans

⚡

Instant inboxes

POST to /v0/inboxes and the address receives mail the next millisecond. No DNS round-trip per inbox.

◇

MCP-native

Connect any MCP client — Claude Desktop, Cursor, Codex — and your agent sends mail with a tool call.

⇄

Threading + replies

Standard RFC 5322 threading. Webhooks fire on every inbound message, bounce, or complaint.

◯

You own the data

Supabase + AWS SES under the hood. Your keys, your storage, your domain. Swap providers anytime.

✉

SMS · soon

Same agent, second channel. Send and receive SMS via the same MCP server — pilot in progress, request access at hi@mejl.to.

Surfaces