chemscii

A Python package for rendering chemical structures as ASCII/Unicode art in terminal interfaces and text-based environments.

Core Objectives:

• Parse common chemical structure formats (e.g., SMILES, SDF), names, and ChEMBL IDs
• Render 2D chemical structures as text-based visualizations
• Provide clean, readable output suitable for terminal display

Installation

Install via pip.

pip install chemscii

Development installation.

conda env create -f environment.yml
conda activate chemscii
poetry install
pre-commit install

Examples

Render Colchicine (by name)

$ chemscii colchicine --columns 100

Use chemscii as a Claude code tool