BCD

Command-line tools › L

Run libass from ChatGPT or Claude

Subtitle renderer for the ASS/SSA subtitle format. With BCD, ChatGPT, Claude and other AI apps can install and run libass on your own computer and read what it prints.

Works on

About libass

Version
0.17.5
License
ISC
Installs (last 365 days)
45,252 · #317 in Homebrew
Homepage
github.com/libass/libass
Install
brew install libass

Try asking

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

Depends on

freetype · fribidi · harfbuzz · libunibreak

Used by

mpv · ffmpeg-full · gstreamer · handbrake · ffmpeg@6 · ffmpeg@4 · ffmpeg@7 · auto-editor

Questions

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

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