Skip to main content

Captain

Captain from the command line

Company and investor data.

Get Tools, $19 a month

One price for one person, for every application you connect. Cancel any time.

Captain in the terminal

Company and investor data, per seat: one key, one seat.

Install the CLI, then connect Captain

Captain takes a key, pasted in the browser and kept encrypted on GBrain's servers. A key or a sign-in never passes through the terminal.

# Install the CLI
curl -sSL https://gbrainio.terminalwire.sh | bash

# Set the terminal up and connect it
gbrainio terminal connect

# What Captain is, and each of its commands once it is connected
gbrainio tool help captain

The installer is a shell script for macOS and Linux. Read it before you run it.

Every Captain command

This is gbrainio tool captain, run for real. The page and the CLI print from the same code, so the cheatsheet is what the CLI answers to today.

gbrainio tool captain
Company bios and investor searches.

USAGE
  gbrainio tool captain <command> [arguments]

COMMANDS
  company          Look up a company
  investor-search  Search investors
  open             Open its page in the browser

LEARN MORE
  gbrainio tool captain <command> -h  What one command takes
  https://gbrain.io/docs/tools        The manual

Same tools, any AI

Claude Code, Cursor and Codex reach the same Captain through MCP, on the same permission and the same record.

GBrain over MCP

How the whole thing fits

One level per application, one daily limit, one record, across every AI and terminal that asks.

Tools

Captain from a terminal, with GBrain Tools

Tools is $19 a month for one person. Get Tools, connect Captain in the browser, and say how far each terminal and each AI may go with it. Change any of it, or take all of it back, whenever you want.