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Vinkius

BuiltWith Tech Lookup Connector for AI agents.

8 live capabilities

Audit website technology stacks and CMS platforms instantly.

Live agent request BuiltWith Tech Lookup / Connector

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AI Agent

Why people use BuiltWith Tech Lookup

BuiltWith Tech Lookup for Automated Website Tech Audits

With this Connector, you just ask your agent to do the heavy lifting. It pulls the data directly, giving you a clean list of every CMS, framework, and hosting provider in seconds. You get the full picture without ever opening a browser.

  • Claude
  • ChatGPT
  • Gemini
  • Cursor
  • Visual Studio Code
  • Windsurf

What Vinkius changes

You get instant access to the technical DNA of any website through a simple chat.

Use it from Claude, ChatGPT, Cursor or another AI client you already have.

One account · 5,900+ Connectors

  1. Real-world use case 01

    Qualifying a B2B lead

    A sales rep needs to know if a lead uses Shopify.

  2. Real-world use case 02

    Auditing a site migration

    A developer is migrating a site and needs to see what's currently there.

  3. Real-world use case 03

    Researching market penetration

    A researcher wants to see who uses React.

Complete set · 8capabilities

The complete BuiltWith Tech Lookup capability set.

These are the exact actions your AI can choose when you ask it to work with BuiltWith Tech Lookup.

Capability set01 / 02

01—04

4 capabilities in this set.

Part of 8 available through BuiltWith Tech Lookup.

  1. 01 Capability

    Get free domain profile

    Pull basic tech categories without using premium credits. It's perfect for quick, high-volume checks.

  2. 02 Capability

    Get tech domain lists

    Find a list of domains that use a specific technology. It's great for identifying all users of a certain CMS or framework.

  3. 03 Capability

    Get domain relationships

    Map out infrastructure relationships for a domain. Use this to see how different web properties are connected.

  4. 04 Capability

    Get domain keywords

    Retrieve the keyword profile for a specific domain. Use this to see what search terms a site is targeting.

Capability set02 / 02

05—08

4 capabilities in this set.

Part of 8 available through BuiltWith Tech Lookup.

  1. 05 Capability

    Get domain company info

    Get company-specific data for a domain. This helps you understand the business behind the website.

  2. 06 Capability

    Get tech trends

    Get usage trends for a specific technology like React or Shopify. This helps you see how a tech is growing over time.

  3. 07 Capability

    Get domain trust

    Get trust indicators for a domain. This shows the general reliability and reputation of a web property.

  4. 08 Capability

    Lookup domain tech

    Lookup the complete technology stack for a domain. This is the primary capability for a full technical audit.

Set up in minutes

One URL. Then ask BuiltWith Tech Lookup to work.

Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use BuiltWith Tech Lookup from the conversation.

Choose your client

Live preview
Advanced clients IDE · CLI

Claude · Web + desktop

Official guide ↗

Connector URL · ready to paste

Streamable HTTP
https://edge.vinkius.com/vk_preview_fdAzygKHeTGfYmQw3oL59Ls8y5Ledcxhbh6S1cJ4/mcp
  1. Step 01

    Open Connectors

    In Claude Web or Claude Desktop, open Settings and choose Connectors.

  2. Step 02

    Add the URL

    Choose Add custom connector, name it BuiltWith Tech Lookup, and paste the URL above.

  3. Step 03

    Turn it on in chat

    Select +, open Connectors, and enable BuiltWith Tech Lookup for the conversation.

Where the request belongs

Work BuiltWith can move forward.

Built around the request

BuiltWith Tech Lookup is for the people who need to know what's under the hood of a website without manually inspecting headers or source code. It solves the problem of tedious manual research for tech audits and lead qualification.

01

B2B Sales Development Rep

Qualifies leads by identifying the specific software and marketing capabilities a prospect already uses.

02

Web Developer

Researches competitor stacks to see what frameworks or CMS options they chose for a project.

03

Cybersecurity Analyst

Maps out the infrastructure and third-party services of a target domain to identify potential attack surfaces.

04

Market Researcher

Tracks the adoption rate of specific SaaS capabilities or web technologies across entire industries.

When one Connector is not enough

Combine BuiltWith with the systems that finish the task.

View all recipes
01

Detect Product-Market Fit Signals Using MCP

Tech stack analyzed, company growth verified, traction signals scored , verify product-market fit from the outside before you write the check

 02

Run Technical Due Diligence Using Connectors

Funding data pulled, tech stack analyzed, diligence report built , evaluate startup infrastructure without asking for a demo

 03

Screen Accelerator Applications Using MCP

10,000 applications received, companies verified, fake traction filtered , shortlist the real startups from the noise in hours, not weeks

 04

Spot Competing Startups Using Connectors

Tech stacks compared, market overlap mapped, duplicate startups flagged , catch two batch companies building the same product before Demo Day embarrasses everyone

Build the capability set

Add more capabilities.

Each Connector adds new actions and data without changing how you work.

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01 23 capabilities

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02 3 capabilities

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AI agents generate SEO content that triggers SpamBrain, lacks E-E-A-T signals, breaks technical fundamentals, and is invisible to AI search. This capability validates against Google's 2026 algorithms, GEO for AI citation, and AEO for answer engines. Zero stuffing, maximum authority.

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03 12 capabilities

Raven Tools

Track SEO rankings, audit website health, and generate white-label marketing reports for your clients automatically.

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04 5 capabilities

Webinar Registration Copy Analyzer

Audit webinar registration pages for conversion optimization potential.

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05 9 capabilities

Siteimprove

Monitor and improve your website quality. track accessibility, SEO, content QA, and broken links across your domains with AI agents.

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06 11 capabilities

Hexometer

Automate website monitoring via Hexometer. monitor uptime, performance, and health directly from any AI agent.

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Bring your own AI

Change the model, client or framework. Keep BuiltWith connected.

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Before you connect

Questions about BuiltWith.

The practical details behind the request, access and result.

Can BuiltWith Tech Lookup tell me what CMS a website uses?

Yes, it can identify if a site is running on platforms like WordPress, Shopify, Magento, or other custom systems. This helps you understand how a site is managed without having to guess.

Is there a way to check websites without using premium credits?

Yes, you can use the capability to get basic technology categories for a domain without consuming premium credits. This is great for quick checks on large numbers of sites.

Can I find out which hosting providers a competitor uses?

Absolutely. The Connector can identify the hosting, CDN, and security providers for any digital property, giving you a clear view of their infrastructure.

How does this help with B2B sales?

It lets you qualify leads by seeing what software they already use. If you know they use a specific CRM or analytics capability, you can tailor your pitch to fit their existing workflow.

Can I see the relationship between different domains?

Yes, the capability can map out infrastructure relationships. This is useful for seeing how different web properties are connected or hosted by the same providers.

Can I see trends for specific technologies like React?

Yes, you can get usage trends for a specific technology to see how it's being adopted over time. This is perfect for market research and staying ahead of industry shifts.

What kind of trust indicators does it provide?

It pulls trust indicators for a domain, which helps you understand the general reputation and reliability of a web property during your research.

Can I detect if a site uses Shopify?

Yes! Use the lookup_domain_tech capability. The response will include any detected eCommerce platforms, including Shopify, Magento, or WooCommerce.

What kind of technologies can BuiltWith identify?

BuiltWith identifies thousands of technologies including CMS, Analytics, JavaScript Libraries, Advertising, Widgets, Hosting, and Email Services.

Is there a limit to how many sites I can lookup?

The usage depends on your specific BuiltWith API plan. Each call to lookup_domain_tech consumes one API credit from your account.

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