BuiltWith MCP Server
@Cyreslab-AI
About BuiltWith MCP Server
No overview available yet
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"builtwith-mcp-server": {
"command": "node",
"args": [
"build/index.js"
],
"env": {
"BUILTWITH_API_KEY": "your-api-key-here"
}
}
}
}Tools
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Overview
What is BuiltWith MCP Server?
It is a Model Context Protocol (MCP) server that provides tools for querying the BuiltWith API to obtain information about website technology stacks. It is designed for use with any AI assistant that supports the Model Context Protocol.
How to use BuiltWith MCP Server?
Clone the repository, install dependencies with npm install, and build with npm run build. The server requires a BuiltWith API key, which you provide via the BUILTWITH_API_KEY environment variable either when running directly (node build/index.js) or in your MCP client’s settings file (e.g., Claude Desktop configuration).
Key features of BuiltWith MCP Server
- Domain lookup for technology stack information
- Technologies grouped by category (Analytics, CMS, Frameworks, etc.)
- Access to descriptions, detection dates, and links for each technology
- Integration with any MCP-compatible AI assistant
Use cases of BuiltWith MCP Server
- Determine what technologies a competitor’s website uses
- Analyze the tech stack of any domain for market research
- Identify analytics or frameworks used by a site during a security assessment
- Quickly check the technologies behind a URL from within an AI chat interface
FAQ from BuiltWith MCP Server
What are the runtime requirements?
Node.js 18 or higher is required.
How do I get a BuiltWith API key?
You can obtain one at the BuiltWith API website (builtwith.com/api).
How is the server invoked and authenticated?
The server communicates over stdio using the Model Context Protocol. Authentication is done by setting the BUILTWITH_API_KEY environment variable before starting the server.
Where does the data come from?
All technology stack data is retrieved from the BuiltWith API; no data is stored locally by the server.
What tools does it expose?
The server provides a single tool, domain_lookup, which accepts a domain (required) and an optional detailed boolean parameter.
Frequently asked questions
What are the runtime requirements?
Node.js 18 or higher is required.
How do I get a BuiltWith API key?
You can obtain one at the BuiltWith API website (builtwith.com/api).
How is the server invoked and authenticated?
The server communicates over stdio using the Model Context Protocol. Authentication is done by setting the `BUILTWITH_API_KEY` environment variable before starting the server.
Where does the data come from?
All technology stack data is retrieved from the BuiltWith API; no data is stored locally by the server.
What tools does it expose?
The server provides a single tool, `domain_lookup`, which accepts a `domain` (required) and an optional `detailed` boolean parameter.
Basic information
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