BCD

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Run ktfmt from ChatGPT or Claude

Kotlin code formatter. With BCD, ChatGPT, Claude and other AI apps can install and run ktfmt on your own computer and read what it prints.

Works on

About ktfmt

Version
0.65
License
Apache-2.0
Installs (last 365 days)
1,436 · #2,259 in Homebrew
Homepage
facebook.github.io/ktfmt
Install
brew install ktfmt

Try asking

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

Depends on

openjdk@17

Questions

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

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