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Inbox Check

Verified Integration
Author: @live-direct-marketing•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#AI#GitHub#Node.js#Automation

Client Configuration

— Connect Inbox Check to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "inbox-check": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-inbox-check"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Facilitates programmatic email deliverability testing across nine major providers, verifying inbox placement and SPF/DKIM/DMARC authentication for AI agents.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Inbox Check

Inbox Check is invaluable for cold-email warm-up QA, authentication debugging, comparing placement for new email templates, monitoring shared-IP reputation, and auditing transactional email deliverability.

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