BCD

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Run libtommath from ChatGPT or Claude

C library for number theoretic multiple-precision integers. With BCD, ChatGPT, Claude and other AI apps can install and run libtommath on your own computer and read what it prints.

Works on

About libtommath

Version
1.3.0
License
Unlicense
Installs (last 365 days)
509 · #3,559 in Homebrew
Homepage
www.libtom.net/LibTomMath
Install
brew install libtommath

Try asking

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

Used by

tcl-tk · yosys · rakudo-star

Questions

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

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