rdkit

Calculate molecular descriptors and generate fingerprints from SMILES strings using RDKit.

1|Updated Mar 12, 2026
One-click install
npx skills add https://github.com/yf8578/clawomics --skill rdkit-yf8578
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: rdkit
Source: https://github.com/yf8578/clawomics/tree/main/skills/rdkit
Command: npx skills add https://github.com/yf8578/clawomics --skill rdkit-yf8578

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides a comprehensive toolkit for cheminformatics tasks, enabling detailed molecular analysis, manipulation, and property calculation that goes beyond basic visualization.

Core Features & Use Cases

  • Molecular Analysis: Calculate a wide range of descriptors (MW, LogP, TPSA), generate fingerprints (Morgan, MACCS), and perform substructure searches.
  • Molecular Manipulation: Generate 2D/3D coordinates, optimize geometries, handle reactions, and standardize molecules.
  • Use Case: You need to screen a library of compounds for drug-likeness based on Lipinski's Rule of Five and calculate their TPSA and LogP values.

Quick Start

Use the rdkit skill to calculate the molecular weight and LogP for the SMILES string 'CCO'.

Frequently Asked Questions about rdkit

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I calculate molecular descriptors like LogP and TPSA from a SMILES string?

To calculate molecular descriptors like LogP and TPSA, you can use cheminformatics capabilities to process SMILES strings. The toolkit computes properties such as molecular weight, LogP, and topological polar surface area directly from the molecular structure for drug-likeness screening.

Can I generate molecular fingerprints for substructure searching?

Yes, you can generate molecular fingerprints for substructure searching. The toolkit supports generating Morgan and MACCS fingerprints, enabling structural similarity comparisons and substructure matching across compound libraries.

What is the best way to standardize molecules and generate 2D or 3D coordinates?

The best way to standardize molecules and generate 2D or 3D coordinates is through molecular manipulation functions. The toolkit handles geometry optimization, standardizes molecular structures, and computes spatial coordinates for structural analysis.

Do I need RDKit installed to perform cheminformatics tasks like reaction handling?

Yes, RDKit installation is required to perform cheminformatics tasks like reaction handling. The Skill relies on the RDKit library internally to execute detailed molecular property computation, structural analysis, and reaction processing.

How does substructure search work for screening compound libraries in drug discovery?

Substructure search works by matching specific molecular patterns against a library of compounds. The toolkit uses fingerprint generation and structural matching algorithms to identify molecules containing the desired substructures for drug discovery applications.

Can I screen a compound library for drug-likeness based on Lipinski's Rule of Five?

Yes, you can screen a compound library for drug-likeness based on Lipinski's Rule of Five. By calculating descriptors such as molecular weight and LogP from SMILES strings, the toolkit evaluates compound properties to filter candidates.