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BuiltWith integration for AI agents.

BuiltWith integration for AI agents with secure authentication and server-side credential injection. Open Connector runs the OAuth, seals the token in an encrypted vault, and serves BuiltWith tools to your agent over MCP or a typed API — credentials injected server-side, every call audited, nothing leaving your infrastructure. Open source (AGPL-3.0) and self-hostable.

What your agents can do

Real BuiltWith actions, managed and audited.

Your user connects BuiltWith once; your agent can then use the BuiltWith API to look up website technologies, technology lists, trends, keyword audiences, and company domains — scoped to the OAuth permissions you grant and the tool allowlist you configure. Every action is least-privilege and written to a tamper-evident audit trail.

  1. 1

    Your user grants BuiltWith access once (OAuth) — the token lands in the vault.

  2. 2

    Your agent calls a tool over MCP or the typed API; Open Connector injects the credential server-side.

  3. 3

    Every routed call appends a hash-chained audit record — nothing leaves your infra.

Tools & triggers

Supported BuiltWith tools.

9 tools are generated from the published BuiltWith catalog. Descriptions are plain text; each action remains subject to its configured authentication and tool allowlist.

Showing 9 tools. All published catalog entries are included in this page's server-rendered HTML.

Ask for a website list
Runs a natural-language website list query such as Magento websites in Spain.
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Resolve company to domain
Gets domain names from company names supplied to BuiltWith.
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Get domain keywords
Lists keywords associated with a website.
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Get domain technology changes
Returns technology additions and removals for a domain, including categories, importance, and business context.
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Get domain technologies
Provides current and historical technology information for a website and metadata where available.
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Get free domain summary
Provides last updated timestamps and counts for technology groups and categories for a website.
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Search websites by keyword
Searches for websites containing a specific keyword.
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Get technology trends
Returns technology trends data for a given technology.
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List websites using a technology
Returns lists of websites using a particular web technology across the internet.
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FAQ

BuiltWith integration, answered

How do AI agents use BuiltWith through Open Connector?
Your user connects BuiltWith once with one of its cataloged authentication methods. Open Connector stores the credential in an encrypted vault and exposes BuiltWith tools to your agent over MCP or a typed API, with credentials injected server-side on each call.
Is this a BuiltWith MCP server?
Yes. Open Connector can serve BuiltWith as a named MCP server with a scoped allowlist and a per-user connection URL, so any MCP client can call BuiltWith actions with credentials injected server-side.
Where do BuiltWith credentials live?
In your own infrastructure. Open Connector keeps credentials in its own vault and injects them at call time, so they never leave your environment.

Give your agents BuiltWith — keep the keys.

Open source, self-hostable, with BuiltWith credentials that never leave your infrastructure. Run it from source today.