MCP REST API Tester MCP Server

A TypeScript-based MCP server that enables testing of REST APIs through Cline. This tool allows you to test and interact with any REST API endpoints

Local serverstdioTypeScript

What is the MCP REST API Tester MCP Server?

A TypeScript-based MCP server that enables testing of REST APIs through Cline. This tool allows you to test and interact with any REST API endpoints directly from

What it actually does

  • Supports GET, POST, PUT, DELETE, PATCH methods
  • Handles authentication (Basic, Bearer, API Key)
  • Normalizes endpoints automatically
  • Provides detailed response information
  • Configurable SSL verification and response limits

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the MCP REST API Tester MCP Server

{
  "mcpServers": {
    "rest-api": {
      "command": "npx",
      "args": ["-y", "dkmaker-mcp-rest-api"],
      "env": {
        "REST_BASE_URL": "your-value",
        "AUTH_BASIC_USERNAME": "your-value",
        "AUTH_BASIC_PASSWORD": "your-value",
        "AUTH_BEARER": "your-value",
        "AUTH_APIKEY_HEADER_NAME": "your-value",
        "AUTH_APIKEY_VALUE": "your-value",
        "REST_ENABLE_SSL_VERIFY": "your-value",
        "REST_RESPONSE_SIZE_LIMIT": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
REST_BASE_URLEndpoint or connection string the server talks to.Yes
AUTH_BASIC_USERNAMEConfiguration value read at startup.Optional
AUTH_BASIC_PASSWORDConfiguration value read at startup.Optional
AUTH_BEARERConfiguration value read at startup.Optional
AUTH_APIKEY_HEADER_NAMECredential the server authenticates with.Yes
AUTH_APIKEY_VALUECredential the server authenticates with.Yes
REST_ENABLE_SSL_VERIFYConfiguration value read at startup.Optional
REST_RESPONSE_SIZE_LIMITConfiguration value read at startup.Optional

Example prompts to try

  • “Use MCP REST API Tester to Windows.”
  • “Use MCP REST API Tester to macOS.”

Frequently asked questions

Basic Authentication (username/password), Bearer Token, and API Key (custom header). Only one method should be configured at a time.