APITier

Verified Integration

Author: @spawning•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect APITier to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "apitier": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-apitier"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Exposes a suite of APITier utility APIs as AI agent tools for various data validation, lookup, and generation tasks.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for APITier

APITier provides robust validation for email syntax, MX records, SMTP, and disposable address checks. It also validates and parses international phone numbers, and validates EU/UK VAT numbers, returning registered business details.

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