BCD

Command-line tools › N

Run nb from ChatGPT or Claude

Command-line and local web note-taking, bookmarking, and archiving. With BCD, ChatGPT, Claude and other AI apps can install and run nb on your own computer and read what it prints.

Works on

About nb

Version
7.25.6
License
AGPL-3.0-or-later
Installs (last 365 days)
2,037 · #1,921 in Homebrew
Homepage
xwmx.github.io/nb
Install
brew install nb

Try asking

“Install nb with Homebrew and show me its version”
“Read nb --help and give me three useful examples for my files”
“Update nb and tell me what changed”

Depends on

bat · nmap · pandoc · ripgrep · tig · w3m

Questions

Can ChatGPT run nb on my computer?
Yes. With BCD on your Mac or Linux computer and command permission turned on for it, ChatGPT runs nb there and reads the output. Claude and other apps with MCP connectors can too.

Do I need to install nb first?
No. If Homebrew is installed, the AI can run brew install nb for you.

Is it safe?
A new computer starts read-only: running commands is turned on per computer, and BCD reaches only the folders you allow.

Try it on your computer

BCD connects ChatGPT, Claude and other AI apps to your own Mac, Windows or Linux computer. One computer is free, with 20,000 tool calls a month and no card.

Program data from Homebrew, updated 2026-11-11. Installs are Homebrew's installs on request over the last 365 days.