cobrapy

Analyze constraint-based metabolic models with COBRApy for flux and knockout predictions.

74|5|Updated Dec 10, 2025
One-click install
npx skills add https://github.com/dralkh/seerai --skill cobrapy-dralkh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: cobrapy
Source: https://github.com/dralkh/seerai/tree/main/skills/cobrapy
Command: npx skills add https://github.com/dralkh/seerai --skill cobrapy-dralkh

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps researchers analyze constraint-based metabolic models without manually writing repetitive analysis code. It speeds up growth prediction, flux exploration, knockout studies, and media design for systems biology and metabolic engineering projects.

Core Features & Use Cases

  • Model loading and export: Open SBML, JSON, YAML, and MATLAB models or save curated models for reuse.
  • Core flux analysis: Run flux balance analysis, parsimonious FBA, flux variability analysis, and flux sampling to understand metabolic behavior.
  • Design and validation workflows: Perform gene or reaction knockouts, gap filling, minimal media design, production envelope analysis, and model consistency checks.
  • Use case: A scientist can compare aerobic versus anaerobic growth, screen essential genes, and identify strain engineering targets for improved metabolite production.

Quick Start

Ask the AI to load a COBRApy metabolic model, run flux balance analysis, and summarize the growth rate and key reaction fluxes.

Frequently Asked Questions about cobrapy

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

FAQPage Schema
How do I run flux balance analysis on an SBML metabolic model?

You can perform flux balance analysis on an SBML metabolic model by loading the file into the COBRApy workflow and running solver-backed optimization to predict growth rates and reaction fluxes. This Skill automates that entire process to summarize key metabolic behavior.

What is flux variability analysis and when do I need it for metabolic engineering?

Flux variability analysis calculates the range of possible flux values for each reaction in a constraint-based metabolic model. You need it for metabolic engineering when identifying alternative pathways and evaluating production envelopes to find strain optimization targets.

Can I simulate gene knockout effects on microbial growth using COBRApy?

Yes, you can simulate gene knockout effects on microbial growth by applying gene-reaction rules within a constraint-based model. This Skill screens essential genes and predicts resulting growth rates to identify viable production strain engineering targets.

Does this flux analysis workflow support JSON and MATLAB model formats?

Yes, this flux analysis workflow supports loading and exporting SBML, JSON, YAML, and MATLAB metabolic model formats. You can open existing constraint-based models or save curated versions for reuse in downstream systems biology research.

How do I design minimal media and perform gap filling for a metabolic model?

Minimal media design and gap filling are performed by analyzing model consistency and identifying missing reactions in the metabolic network. This Skill automates these COBRApy validation workflows to ensure your constraint-based model supports the desired growth conditions.

What's the best way to compare aerobic versus anaerobic growth predictions?

The best way to compare aerobic versus anaerobic growth predictions is to run flux balance analysis under different environmental constraints. This Skill manages the COBRApy simulations to contrast growth rates and flux distributions across varying media conditions.