# The Companies API MCP: use The Companies API from your agent through looot

Look up companies by domain, search them by filter and read their tech stack through one MCP connection. The Companies API is one of the providers behind looot; your agent calls its endpoints through the looot MCP connection.

## What your agent can do with The Companies API

- Enrich a company: covered.
- Search companies: covered.
- Find similar companies: covered.
- Technologies on one site: covered.

## Example prompts for The Companies API

- Company lookup: Use looot to look up stripe.com with The Companies API and return size, industry and country.
- Similar: Use looot to find companies similar to notion.so with The Companies API.
- Tech stack: Use looot to list the technologies example.com uses with The Companies API.

## Is there a The Companies API MCP server?

looot gives your agent one MCP connection. The Companies API is one of the providers behind looot; your agent calls its endpoints through the looot MCP connection. You add looot once and reach every provider in the catalog from it.

## How do I use The Companies API with Claude Code?

Add the looot MCP connection to Claude Code once, using the setup at https://looot.ai/skill.md. Then ask Claude Code to use looot for the job. The Companies API is one of the providers behind looot; your agent calls its endpoints through the looot MCP connection.

## How do I use The Companies API with Cursor?

Add the looot MCP connection in Cursor's MCP settings, then ask the agent to use looot. The Companies API is one of the providers behind looot; your agent calls its endpoints through the looot MCP connection.

## Does The Companies API work with ChatGPT?

It works in any client that can add an MCP connection. Where your ChatGPT plan lets you add one, add looot and ask it to use looot. The Companies API is one of the providers behind looot; your agent calls its endpoints through the looot MCP connection.

## What can I do with The Companies API through looot?

The jobs on this page: enrich a company, search companies, find similar companies, technologies on one site. The page marks any job whose endpoints are not in the live catalog.

## What does The Companies API cost through looot?

You pay per call. The price of each endpoint is shown before you run it, so your agent can check it first and pick the cheapest one that fits.

## Do I need a The Companies API account to use it through looot?

You connect to looot, not to The Companies API. looot makes the provider call for you and bills each call at the price shown before the run.

## How does my agent find the right The Companies API endpoint?

It searches the looot catalog for the task, reads the endpoint's parameters and price, and then calls it. You do not have to read The Companies API's docs first.

## What can I use with The Companies API in looot?

Providers that often go with The Companies API are People Data Labs, Coresignal, BuiltWith, Diffbot. All of them sit behind the same looot MCP connection.

## Used together with

- people-data-labs
- coresignal
- builtwith
- diffbot

## Last reviewed

2026-10-02. Live prices are on the web page, read from the catalog.