BuiltWith Tech Lookup MCP for AI Agents. Identify website CMS and tech stacks through competitive research
BuiltWith Tech Lookup is your universal intelligence tool for profiling websites. It instantly detects the technology stack of any domain, identifying everything from Content Management Systems and analytics tools to hosting providers and JavaScript frameworks. Use this MCP to run competitive research, qualify leads based on their tech use, or audit digital infrastructure with simple prompts.
Give Claude and any AI agent real-world access
Retrieves basic details and identity markers for the specified domain.
Outputs fundamental technology profiles, useful for initial quick checks without using premium credits.
Provides an analysis of the core search terms and topics associated with the domain.
Generates market data by listing multiple domains that rely on one particular technology stack.
Maps out the interconnected services, including CDNs and hosting, used by the domain.
Delivers quantitative data showing how frequently specific technologies are being adopted across various domains.
Calculates and returns metrics that suggest the overall reliability or trust level of the website.
Runs a full, deep dive to gather every detected piece of technology powering the site.
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What AI agents can do with BuiltWith Tech Lookup: 8 Tools for Domain Analysis & Tech Profiling
Use these tools to pull everything from basic company info to complex tech stack breakdowns and usage trends across the web.
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Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.
Start using BuiltWith Tech Lookup MCPGet Domain Company Info
Retrieves basic company information associated with a given domain name.
Get Free Domain Profile
Gathers fundamental technology categories and profiles for a specified domain...
Get Domain Keywords
Outputs a keyword profile to help understand the search focus of a given domain.
Get Tech Domain Lists
Generates lists of domains that utilize a specific technology, useful for market...
Get Domain Relationships
Maps out the infrastructure relationships and associated services for a domain.
Get Tech Trends
Provides usage trend data, showing how popular specific technologies are across various domains.
Get Domain Trust
Calculates and retrieves trust indicators for a domain based on its online presence.
Lookup Domain Tech
Performs a comprehensive lookup, returning the complete technology stack used by any...
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BuiltWith Tech Lookup: Deep dive into competitor CMS detection
Right now, researching competitors means manually visiting their site and guessing what they use. You have to toggle between developer tools in your browser—checking the source code for analytics scripts or looking up the hosting header. It's tedious clicking through tabs just to figure out if they switched from Magento last year.
With this MCP, you simply ask your agent to identify the CMS used by a domain. It instantly tells you whether the site runs on WordPress VIP, Shopify Plus, or an older platform like Joomla. You get actionable answers immediately.
BuiltWith Tech Lookup: Mapping core infrastructure dependencies
Manually checking a domain's infrastructure involves running multiple checks against different services—one for the CDN, one for the DNS records, and another for the security provider. You end up with three separate reports that don't connect.
This MCP consolidates all that data through tools like `get_domain_relationships`. It connects the dots, showing you which third-party services are actually supporting the domain, giving a single source of truth about its operational backbone.
What BuiltWith Tech Lookup MCP for AI Agents MCP does for your AI
The BuiltWith Tech Lookup MCP gives your AI agent instant access to the technology stack of millions of websites. Instead of guessing what a competitor uses, you get a detailed breakdown of everything powering a domain—the CMS, analytics tools, advertising networks, and underlying frameworks. Whether you're doing deep competitive research or just vetting a potential lead, your agent acts like a technical consultant through natural conversation.
This capability is hosted on Vinkius, the industry's largest catalog for connecting AI agents to specialized data sources.
Your agent can tell you if a site runs on WordPress, Shopify, Magento, or something custom. It pinpoints which tracking tools are integrated and identifies the hosting providers powering the infrastructure. This means your B2B sales team qualifies leads based on tech adoption, web developers find competitor migration gaps, and security researchers map out target domain dependencies—all without visiting a single website manually.
019d8421-6b05-73f4-8d5a-d3b31753ced6 How to set up BuiltWith Tech Lookup MCP for AI Agents MCP
The bottom line is that you simply ask your AI client to analyze a website, and it delivers a comprehensive technical profile in response.
Subscribe to the BuiltWith Tech Lookup MCP and enter your unique API key.
Your agent receives instructions, such as 'What tech powers tesla.com?'.
The MCP uses its built-in tools to query the domain data and returns a structured report detailing the technology stack.
Who uses BuiltWith Tech Lookup MCP for AI Agents MCP
This MCP is essential for anyone whose job involves researching digital properties or evaluating competitors. It's perfect for the B2B sales rep who needs to know if a prospect uses HubSpot before calling them, or the agency owner tracking which CMS platforms their clients are migrating from.
Qualifies leads by detecting specific technologies they already use (e.g., finding out if a prospect is on an outdated CRM).
Researches competitor tech stacks to identify migration opportunities or compatibility issues for new projects.
Identifies the full infrastructure, including hosting and third-party services, of target domains for vulnerability mapping.
Benefits of connecting BuiltWith Tech Lookup MCP for AI Agents MCP
Quickly qualify leads: Your agent can detect which CRM or marketing automation tools a prospect uses, allowing your sales team to tailor pitches immediately.
Benchmark competitors: Use the MCP to map out exactly what technologies rivals are using. Spotting niche frameworks or outdated platforms provides immediate competitive edge.
Map infrastructure dependencies: The built-in relationships tool reveals hosting and CDN providers, which is crucial for security auditing or planning major digital migrations.
Track market trends: Instead of just looking at one site, you can use the technology trends API to see how widely a specific platform (like Shopify) is being adopted in your industry.
Efficiently audit sites: You don't need multiple tools. The MCP bundles CMS detection, analytics auditing, and tech stacking into one conversational workflow.
BuiltWith Tech Lookup MCP for AI Agents MCP use cases
A competitor is launching a new feature
The marketing analyst asks, 'What technologies did CompetitorX use last quarter?' The agent runs get_domain_company_info and reports that they shifted from Magento to a custom React framework, signaling a major operational pivot.
A lead needs an integration recommendation
The sales rep prompts the MCP with 'Check LeadY's stack.' The agent runs lookup_domain_tech and finds they are running on WordPress but lack modern API hooks, allowing the rep to recommend a specific third-party tool.
Auditing internal company assets
The developer needs to know if their division's old site is still using legacy hosting. Running get_domain_relationships quickly confirms they are on an outdated provider, signaling a necessary migration project.
Understanding market adoption rates
A product manager wants to know if the industry is moving away from Google Analytics tracking. Using get_tech_trends, they get quantitative data showing usage decline for that specific tool over time.
BuiltWith Tech Lookup MCP for AI Agents MCP tradeoffs
What to watch out for, and the recommended way to handle each one.
Searching only by CMS type
A user searches for 'WordPress sites' and gets a simple list. This doesn't tell them if those WordPress sites are using modern plugins or outdated hosting.
Use the BuiltWith Tech Lookup MCP to run lookup_domain_tech on specific domains. This ensures you get the full stack details—CMS plus analytics, CDN, and frameworks—for accurate profiling.
Ignoring infrastructure links
A competitor's site looks clean and modern. The user assumes it was built in-house without checking who actually hosts or secures the domain.
Run get_domain_relationships with this MCP to uncover the actual hosting providers, CDNs, and security services behind the façade. This reveals the true operational cost.
Assuming basic data is enough
A user only checks for general company info using a simple lookup tool. They miss critical details like which keyword strategies are active.
Use get_domain_keywords to pull the domain's specific keyword profile alongside the tech stack data, giving you insight into their marketing focus.
When to use BuiltWith Tech Lookup MCP for AI Agents MCP
You should use BuiltWith Tech Lookup if your goal is technical visibility—you need to know how a site was built or what services it relies on. If you only care about the general business category (e.g., 'it's an e-commerce store'), this MCP might be overkill. Don't use it just because you want a list of technologies; always focus on actionable intelligence. For example, if you need to track how widely a technology is used across an entire industry segment, run get_tech_domain_lists or get_tech_trends. If your goal is simple contact data and not tech analysis, use a dedicated lead scraping tool instead. But for anything involving the site's underlying architecture, this MCP is necessary.
Frequently asked questions about BuiltWith Tech Lookup MCP for AI Agents MCP
How does BuiltWith Tech Lookup help me research competitors? +
It gives you deep visibility into exactly what technologies your rivals use. You can find out if they are using outdated platforms or adopting newer, more powerful frameworks, which is key for planning competitive strategies.
Can BuiltWith Tech Lookup tell me if a site uses WordPress? +
Yes, it detects the CMS used by any domain. You can confirm if a site runs on WordPress, Shopify, or another platform without guessing, saving hours of manual investigation.
What kind of data do I get when I check a website's tech stack? +
You receive a complete breakdown that covers CMS detection, the analytics tools installed, the hosting provider, and even the underlying JavaScript frameworks. It’s a full technical report.
Is BuiltWith Tech Lookup only for large corporations? +
No. While it works on massive sites, you can use it to check smaller domains too. The results still provide valuable insight into their operational stability and digital maturity level.
Does this MCP show me the domain's keyword focus? +
It does. Beyond technology, you can get a keyword profile for the domain that helps you understand what topics they are trying to rank for in search engines.
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