BCD

Command-line tools › C

Run cryptography from ChatGPT or Claude

Cryptographic recipes and primitives for Python. With BCD, ChatGPT, Claude and other AI apps can install and run cryptography on your own computer and read what it prints.

Works on

About cryptography

Version
50.0.2
License
Apache-2.0 OR BSD-3-Clause
Installs (last 365 days)
41,421 · #337 in Homebrew
Homepage
cryptography.io/en/latest
Install
brew install cryptography

Try asking

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

Depends on

cffi · openssl@4

Used by

ansible · aws-sam-cli · semgrep · ocrmypdf · glances · ansible-lint · oci-cli · certbot · gallery-dl · mycli · cycode · esphome

Questions

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

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