molclaw-denovo-sampling

Generate novel SMILES strings with optional Lipinski and preset filtering using REINVENT4 de novo model.

28|2|Updated Mar 31, 2026
One-click install
npx skills add https://github.com/InternScience/MolClaw --skill molclaw-denovo-sampling
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: molclaw-denovo-sampling
Source: https://github.com/InternScience/MolClaw/tree/main/skills/L1_tools/molclaw-denovo-sampling
Command: npx skills add https://github.com/InternScience/MolClaw --skill molclaw-denovo-sampling

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Enable generation of novel, drug-like molecules when no starting structure exists, removing the need for manual molecule design and accelerating the construction of initial compound libraries for screening and discovery.

Core Features & Use Cases

  • De novo generation: Samples entirely new SMILES strings using a REINVENT4 de novo prior for unbiased chemical space exploration.
  • Quality filtering: Supports multiple filter presets and optional Lipinski Rule of Five filtering to control chemical quality and drug-likeness.
  • Practical uses: Build diverse scaffold libraries for virtual screening, create test sets for pipeline validation, or seed optimization workflows with unbiased starting compounds.

Quick Start

Generate 100 druglike molecules with Lipinski filtering and save the results for downstream screening.

Frequently Asked Questions about molclaw-denovo-sampling

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

FAQPage Schema
How do I generate novel drug-like molecules from scratch for virtual screening?

This Skill generates novel drug-like molecules from scratch using a REINVENT4 de novo generative model to sample unbiased SMILES strings, applying optional Lipinski filtering to ensure drug-likeness for downstream screening.

What is de novo molecule generation and when do I need it?

De novo molecule generation samples entirely new molecular structures from scratch without requiring a starting structure, making it ideal for pure chemical space exploration, building diverse scaffold libraries, and initial hit discovery.

Can I apply Lipinski filter presets to control drug-likeness during molecule generation?

Yes, you can apply multiple filter presets and optional Lipinski Rule of Five filtering during de novo molecule generation to control chemical quality and drug-likeness of the sampled SMILES strings.

Does REINVENT4 support unbiased chemical space exploration for initial hit discovery?

Yes, REINVENT4 supports unbiased chemical space exploration by using a de novo prior to sample entirely new SMILES strings, making it suitable for initial hit discovery where no starting molecule is provided.

How do I save generated SMILES strings and computed properties for downstream screening?

Save generated SMILES strings and computed properties as a CSV file during the de novo generation process, enabling direct integration into downstream screening and optimization workflows.

What's the best way to build a diverse scaffold library without a starting molecule?

Build a diverse scaffold library without a starting molecule by using de novo generation to sample unbiased SMILES strings, applying filter presets to ensure quality and diversity across the generated compound set.