> ## Documentation Index
> Fetch the complete documentation index at: https://docs.caylex.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Public.com

> Real-time trading and options management API

The Public.com MCP Server connects AI agents to a live brokerage, providing capabilities like real-time quotes, options trading, and order placement, enabling automated trading strategies and financial analysis.

## Server Details

| Property        | Value                                     |
| --------------- | ----------------------------------------- |
| **Transport**   | Streamable HTTP                           |
| **Server Type** | Caylex                                    |
| **Endpoint**    | caylex-internal                           |
| **Categories**  | Payment Processing, E-Commerce & Payments |

## Authentication

This server supports the following authentication method:

### Header Authentication

This server authenticates via HTTP headers. During the server onboarding flow, you will be prompted to confirm the required headers. Note that you do not provide the values for the headers during the server on-boarding.
Header values are provided by the users during the [Auth Link](/auth/auth-links) flow.

## Getting Started

<Steps>
  <Step title="Add the server">
    Navigate to the **Server Library** and click on the **New Server** button. Find **Public.com** in the Caylex Catalog.
  </Step>

  <Step title="Server Onboarding flow">
    Go through the server onboarding flow.
  </Step>

  <Step title="Use in a project">
    Add the server to a [project](https://app.caylex.dev/projects) by configuring project connections. Its tools are now available to any agents connected to that project.
  </Step>
</Steps>