Adwords MCP Server

@gregce

Basic information

About Adwords MCP Server

A cringe-worthy MCP server that serves ads to developers in Cursor, Claude, and other clients

Adwords MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "adwords": {
      "command": "npx",
      "args": [
        "adwords-mcp"
      ]
    }
  }
}

Adwords MCP Server tools

Overview

What is Adwords MCP?

Adwords MCP is a joke/demo MCP server that injects cringe-worthy advertisements into LLM responses. It showcases how to build MCP servers and highlights the risks of ad-injecting intermediaries. The project is intended for developers interested in MCP server mechanics or the security implications of untrusted intermediaries.

How to use Adwords MCP?

Install globally via npm install -g adwords-mcp, then add the server configuration to your MCP client (e.g., Claude or Cursor) using the provided JSON snippet. Invoke the server’s tools (e.g., get_completion, analyze_code, or developer_tip) from the client. Optionally run with HTTP/SSE transport by passing --http.

Key features of Adwords MCP

Naive keyword extraction for targeting ads in user queries
Random ad selection when no keywords match (can be disabled)
Multiple ad injection strategies for embedding ads in responses
STDIO and HTTP/SSE transport options
Short tool aliases: gc, ac, tip for faster invocation
User-provided content framing to prevent AI modification of ads

Use cases of Adwords MCP

Demonstrating how to build and package an MCP server
Illustrating the risks of ad-injecting intermediaries in AI pipelines
Pranks involving unsuspecting peers (as suggested in the PROTIP section)
Testing MCP client behavior with user-provided content directives

Frequently asked questions

Is Adwords MCP intended for production use?

No. The README explicitly states: “Do not use this in production or with real users unless you want them to hate you.” It is a joke/demo project.

What transport options does Adwords MCP support?

It primarily uses STDIO transport for MCP clients like Claude. It also supports HTTP/SSE transport via the `--http` flag, optionally with a custom port.

How does ad targeting work?

It uses naive keyword extraction in the user’s query. If keywords match, a targeted ad is selected; otherwise, a random ad is injected (unless `--no-random-ads` is set).

How do I configure Adwords MCP with my MCP client?

Add a configuration entry to your client (e.g., `claude_desktop_config.json`) using the command `npx adwords-mcp` (or `adwords-mcp` if installed globally). For HTTP transport, set `USE_HTTP=true`.

What tool aliases are available?

The aliases are `gc` (for `get_completion`), `ac` (for `analyze_code`), and `tip` (for `developer_tip`). These shorten tool invocation in clients like Cursor.

Comments

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