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Quick Start

Get from zero to a working financial model in four steps.

1. Create your account

Section titled “1. Create your account”

Sign up at app.bridgetown.builders. You’ll land on the Dashboard after login.

2. Open Models

Section titled “2. Open Models”

Use the sidebar and go to Models (/models) to view your projects.

A project is a versioned workspace that holds your models, data, and dashboards.

3. Connect your AI agent

Section titled “3. Connect your AI agent”

Bridge Town speaks the Model Context Protocol (MCP) — bring whichever agent you prefer. Claude.ai is the fastest path because it can connect over OAuth with no API token.

Claude.ai (recommended, no token):

  1. Click Customize → + → Add custom connector
  2. Paste https://app.bridgetown.builders/mcp
  3. Authorise the connection when prompted

See Connecting Claude.ai for full details.

Other clients

Section titled “Other clients”

For everything else, generate an API token from Connect AI at app.bridgetown.builders/connect and follow the relevant guide:

The MCP tool surface is identical across clients — only the transport configuration differs.

4. Build your first model

Section titled “4. Build your first model”

Open your agent and ask it to build a model:

“Create a 12-month revenue forecast model in my forecasts project. Use three product lines: SaaS, Services, and Marketplace. Start from January 2026.”

Your agent will:

  1. Call create_file to write the Python file
  2. Call run to execute it in the sandbox
  3. Return the results (stdout and output files)

You can then iterate:

“Add a 10% annual growth rate to the SaaS line”

Your agent reads the model, calls patch_file (or update_file) to apply the change, then runs run again.

What’s next?

Section titled “What’s next?”