Instabox — Disposable Email for AI Agents

Connect your agent

Add to your MCP client config (Claude Desktop, Cursor, etc.):

{
  "mcpServers": {
    "instabox": {
      "command": "npx",
      "args": ["mcp-remote", "https://myagentinbox.com/mcp"]
    }
  }
}

MCP Tools

create_inbox

Create a disposable email inbox that expires in 24 hours

check_inbox

Check for messages in a disposable inbox

read_message

Read the full content of a specific email message

download_attachment

Download an email attachment (images, text, and binary files)

POST /api/inboxes Create inbox

GET /api/inboxes/:address Check inbox

GET /api/inboxes/:address/messages List messages

GET /api/inboxes/:address/messages/:id Get message

GET /api/inboxes/:address/messages/:id/attachments/:filename Download attachment

# Create an inbox
curl -s -X POST https://myagentinbox.com/api/inboxes | jq .

# Check for messages
curl -s https://myagentinbox.com/api/inboxes/ADDRESS/messages | jq .

# Read a message
curl -s https://myagentinbox.com/api/inboxes/ADDRESS/messages/MSG_ID | jq .

{@} myagentinbox.com

Try it

Connect your agent

MCP Tools

Limits