SCMCP

An MCP server for scRNA-Seq analysis with natural language!

🪩 What can it do?

• IO module: Read and write scRNA-Seq data with natural language
• Preprocessing module: Filtering, quality control, normalization, scaling, highly-variable genes, PCA, Neighbors,...
• Tool module: Clustering, differential expression, etc.
• Plotting module: Violin plots, heatmaps, dotplots
• Cell-cell communication analysis
• Pseudotime analysis
• Enrichment analysis

❓ Who is this for?

• Anyone who wants to do scRNA-Seq analysis using natural language!
• Agent developers who want to call scanpy's functions for their applications

🌐 Where to use it?

You can use scmcp in most AI clients, plugins, or agent frameworks that support the MCP:

• AI clients, like Cherry Studio
• Plugins, like Cline
• Agent frameworks, like Agno

📚 Documentation

scmcphub's complete documentation is available at https://docs.scmcphub.org

🎬 Demo

A demo showing scRNA-Seq cell cluster analysis in an AI client Cherry Studio using natural language based on scmcp:

https://github.com/user-attachments/assets/93a8fcd8-aa38-4875-a147-a5eeff22a559

🏎️ Quickstart

Install

Install from PyPI:

pip install scmcp

You can test it by running:

scmcp run

🚀 Running Modes

SCMCP provides two distinct run modes to accommodate different user needs and preferences:

1. Tool Mode

In tool mode, SCMCP provides a curated set of predefined functions that the LLM can select and execute.

Advantages:

• Stable: Predefined functions ensure consistent and reliable execution
• Predictable: Known behavior and expected outputs
• Safe: Controlled environment with validated operations

Disadvantages:

• Limited flexibility: Restricted to available predefined functions; you need to define new tools when you need customization functions

Usage

Running in terminal:

scmcp run --run-mode tool

Configure MCP client:

{
  "mcpServers": {
    "scmcp": {
      "command": "/home/test/bin/scmcp",
      "args": ["run", "--run-mode", "tool"]
    }
  }
}

Examples:

• https://youtu.be/VM7G-VMNhOs
• https://youtu.be/D669c0EyNzE
• https://youtu.be/b45_6fJXEIQ

2. Code Mode

In code mode, SCMCP provides a Jupyter backend that allows the LLM to generate and execute custom code. Additionally, it can generate complete Jupyter notebooks containing executable code, analysis results, and visualizations.

This mode is based on the project: https://github.com/huang-sh/abcoder

Advantages:

• Highly flexible: Can create custom workflows and combine operations freely
• Extensible: Supports any Python code and external libraries
• Interactive: Real-time code execution and debugging capabilities

Disadvantages:

• Less stable: Code generation may vary each time

Usage

Running in terminal:

scmcp run --run-mode code

Configure MCP client:

{
  "mcpServers": {
    "scmcp": {
      "command": "/home/test/bin/scmcp",
      "args": ["run", "--run-mode", "code"]
    }
  }
}

Example: https://youtu.be/3jtXIeapslI

📝 Mode Comparison

Feature	Tool Mode	Code Mode
Execution Method	Predefined functions	Custom code generation
Stability	High (consistent)	Lower (variable)
Flexibility	Limited to available tools	Highly flexible
Safety	Controlled environment	Full Python execution
Use Case	Standard workflows	Custom analysis
Learning Curve	Easy to use	Requires Python knowledge

🌐 Remote Deployment

For both modes, you can also run SCMCP remotely:

Remote Setup

Start the server:

# Tool mode
scmcp run --transport shttp --port 8000 --run-mode tool

# Code mode
scmcp run --transport shttp --port 8000 --run-mode code

Configure your MCP client:

{
  "mcpServers": {
    "scmcp": {
      "url": "http://localhost:8000/mcp"
    }
  }
}

🤝 Contributing

If you have any questions, welcome to submit an issue, or contact me ([email protected]). Contributions to the code are also welcome!

Citing

If you use scmcp in your research, please consider citing the following works:

Wolf, F., Angerer, P. & Theis, F. SCANPY: large-scale single-cell gene expression data analysis. Genome Biol 19, 15 (2018). https://doi.org/10.1186/s13059-017-1382-0

Dimitrov D., Schäfer P.S.L, Farr E., Rodriguez Mier P., Lobentanzer S., Badia-i-Mompel P., Dugourd A., Tanevski J., Ramirez Flores R.O. and Saez-Rodriguez J. LIANA+ provides an all-in-one framework for cell–cell communication inference. Nat Cell Biol (2024). https://doi.org/10.1038/s41556-024-01469-w

Badia-i-Mompel P., Vélez Santiago J., Braunger J., Geiss C., Dimitrov D., Müller-Dott S., Taus P., Dugourd A., Holland C.H., Ramirez Flores R.O. and Saez-Rodriguez J. 2022. decoupleR: ensemble of computational methods to infer biological activities from omics data. Bioinformatics Advances. https://doi.org/10.1093/bioadv/vbac016

Weiler, P., Lange, M., Klein, M. et al. CellRank 2: unified fate mapping in multiview single-cell data. Nat Methods 21, 1196–1205 (2024). https://doi.org/10.1038/s41592-024-02303-9