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\u0026 Analytics"],"sub_categories":["Weather"],"readme":"# 🔍 BuiltWith MCP Server 🚀\n\n## 🌟 Overview\n\n**BuiltWith MCP** is a Model Context Protocol (MCP) server that allows AI assistants (Claude, Cursor, IDE agents, etc.) to query BuiltWith’s technology detection data **directly and natively**.\n\nIt enables natural-language questions like:\n\n\u003e “What technologies does example.com use?”\n\u003e “Does this site run Shopify or Magento?”\n\u003e “What analytics stack is used by nytimes.com?”\n\nBuiltWith MCP supports **bring-your-own BuiltWith API key** and can be used either as a **hosted service** or **self-hosted**.\n\n---\n\n## Claude DEMO\n\nShows how to get this working in Claude as a Connector \n\nhttps://github.com/user-attachments/assets/1199362a-c813-497e-8569-15b9a3ce9713\n\n## 🌐 Hosted MCP (Recommended)\n\nBuiltWith provides a **hosted MCP endpoint** — no local Node process required.\n\n### Endpoint\n\n```\nhttps://api.builtwith.com/mcp\n```\n\n### Authentication\n\nBring your own BuiltWith API key:\n\n```\nAuthorization: Bearer YOUR_BUILTWITH_API_KEY\n```\n\n### Example MCP request\n\n```json\n{\n  \"jsonrpc\": \"2.0\",\n  \"id\": 1,\n  \"method\": \"tools/list\"\n}\n```\n\n---\n\n## 🧩 Supported Tools\n\nThe hosted MCP exposes the following tools:\n\n* `domain-lookup` – Live technology detection for a domain\n* `domain-api` – Full domain metadata\n* `relationships-api` – Related websites\n* `free-api` – Category and group counts\n* `company-to-url` – Company → domain discovery\n* `tags-api` – IP / attribute based discovery\n* `recommendations-api` – Technology recommendations\n* `redirects-api` – Live and historical redirects\n* `keywords-api` – Keyword intelligence\n* `trends-api` – Technology trend data\n* `product-api` – Ecommerce product search\n* `trust-api` – Trust scoring\n* `financial-api` – Financial data\n* `social-api` – Social profile associations\n\n---\n\n## ⚙️ Client Configuration (Claude, Cursor, IDEs)\n\nAdd BuiltWith MCP to your MCP-compatible client configuration.\n\n### Example\n\n```json\n{\n  \"mcpServers\": {\n    \"builtwith\": {\n      \"url\": \"https://api.builtwith.com/mcp\",\n      \"headers\": {\n        \"Authorization\": \"Bearer YOUR_BUILTWITH_API_KEY\"\n      }\n    }\n  }\n}\n```\n\n### Configuration locations\n\n* **Claude Desktop**\n\n  * macOS: `~/Library/Application Support/Claude/claude_desktop_config.json`\n  * Windows: `%APPDATA%\\Claude\\claude_desktop_config.json`\n* **Cursor / Claude Dev (VS Code)**\n\n  * macOS: `~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json`\n  * Windows: `%APPDATA%\\Code\\User\\globalStorage\\saoudrizwan.claude-dev\\settings\\cline_mcp_settings.json`\n\n---\n\n## 🛠️ Self-Hosting (Optional)\n\nYou can also run the BuiltWith MCP server locally or inside your own infrastructure.\n\n### What changed (February 14, 2026)\n\nThe local server now supports both standard MCP transports:\n\n* `stdio` (default) for local MCP clients like Claude Desktop/Cursor\n* `http` for remote/connector style MCP usage on `/mcp`\n\n### Installation\n\n```bash\ngit clone https://github.com/builtwith/builtwith-mcp.git\ncd builtwith-mcp\nnpm install\n```\n\n### Local (stdio) MCP configuration\n\n```json\n{\n  \"mcpServers\": {\n    \"builtwith\": {\n      \"command\": \"node\",\n      \"args\": [\"[PATH-TO]/bw-mcp-v1.js\"],\n      \"env\": {\n        \"BUILTWITH_API_KEY\": \"YOUR_BUILTWITH_API_KEY\"\n      }\n    }\n  }\n}\n```\n\n\u003e Note: The hosted endpoint is recommended for most users. Self-hosting is useful if you need custom routing, rate-limiting, or private network access.\n\n### Local HTTP MCP endpoint\n\nRun in HTTP mode:\n\n```bash\nMCP_TRANSPORT=http PORT=8787 node bw-mcp-v1.js\n```\n\nMCP endpoint:\n\n```text\nhttp://127.0.0.1:8787/mcp\n```\n\nOptional headers/environment:\n\n* `Authorization: Bearer YOUR_BUILTWITH_API_KEY` (per-request API key for HTTP mode)\n* `BUILTWITH_API_KEY` (used by stdio mode, and as fallback when no HTTP bearer token is provided)\n* `MCP_ALLOWED_ORIGINS` (comma-separated CORS/origin allowlist for HTTP mode)\n\nHealth check:\n\n```text\nhttp://127.0.0.1:8787/health\n```\n\n---\n\n## 🚀 Usage Examples\n\nOnce configured, try asking your AI assistant:\n\n* “What technologies is example.com using?”\n* “What CMS does nytimes.com run on?”\n* “Does amazon.com use Google Analytics?”\n* “What JavaScript frameworks are used by spotify.com?”\n* “What hosting provider does netflix.com use?”\n* “Compare the technology stacks of facebook.com and twitter.com”\n\n---\n\n## 🧠 How It Works\n\n1. 🗣️ User asks a technology question in an AI assistant\n2. 🔌 The assistant calls the BuiltWith MCP server\n3. 🔍 MCP translates intent into BuiltWith API calls\n4. 📊 BuiltWith returns structured technology data\n5. 💬 The AI assistant presents human-friendly insights\n\n---\n\n## 📖 BuiltWith API Documentation\n\n* [https://api.builtwith.com/](https://api.builtwith.com/)\n* [https://api.builtwith.com/domain-api](https://api.builtwith.com/domain-api)\n\n---\n\n## 📄 License\n\nMIT License — see the LICENSE file for details.\n\n---\n\n\nBuilt for AI-native workflows by \u003ca href=\"https://builtwith.com\"\u003eBuiltWith\u003c/a\u003e\n\nJust say which.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbuiltwith%2Fbuiltwith-mcp","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fbuiltwith%2Fbuiltwith-mcp","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fbuiltwith%2Fbuiltwith-mcp/lists"}