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mcp/harbor
Verified official

BuiltWith MCP

v2.1.0

io.github.builtwith/builtwith

Official BuiltWith tools for website technologies, company research, relationships, and trends.

transport:streamable-http tools:51
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Target client

run in your project directory 

claude mcp add --transport http builtwith https://api.builtwith.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

mpp-catalog

mpp catalog

mpp-purchase

mpp purchase

mpp-data

mpp data

domain-lookup

domain lookup

domain-api

domain api

domain-api-json

domain api json

change-api

change api

relationships-api

relationships api

free-api

free api

company-to-url

company to url

tags-api

tags api

recommendations-api

recommendations api

redirects-api

redirects api

keywords-api

keywords api

keywords-search-api

keywords search api

trends-api

trends api

product-api

product api

trust-api

trust api

vat-api

vat api

vat-types-api

vat types api

whoami-api

whoami api

usage-api

usage api

mcp-list-api

mcp list api

mcp-list-categories

mcp list categories

list-api Read-only

list api

payment-balance

payment balance

payment-config

payment config

payment-purchase

payment purchase

vector-api

vector api

ask-api

ask api

ask-api-json

ask api json

x402-pricing

x402 pricing

x402-credit-purchase

x402 credit purchase

x402-credit-balance

x402 credit balance

x402-domain-lookup

x402 domain lookup

x402-domain-api

x402 domain api

x402-domain-api-json

x402 domain api json

x402-change-api

x402 change api

x402-relationships-api

x402 relationships api

x402-company-to-url

x402 company to url

x402-tags-api

x402 tags api

x402-recommendations-api

x402 recommendations api

x402-redirects-api

x402 redirects api

x402-keywords-api

x402 keywords api

x402-trust-api

x402 trust api

x402-vat-api

x402 vat api

x402-vector-api

x402 vector api

x402-list-pass-purchase

x402 list pass purchase

x402-list-api

x402 list api

x402-keywords-search-api

x402 keywords search api

x402-ask-api

x402 ask api

All 51 tools, one page each

6 prompts you invoke yourself

2 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.