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Header Test

Verified Integration
Author: @matsjfunke•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

Client Configuration

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

System Overview

Returns all HTTP headers sent to the server from an MCP tool.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Header Test

Header Test is an MCP server tool that features a dedicated `get-request-headers` function. It's designed to capture and display all HTTP headers sent to the server, providing full visibility into incoming requests.

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