Discover how to set up and use the Babashka MCP server for efficient Clojure scripting and command management
The Babashka MCP Server is an advanced Model Context Protocol (MCP) server designed to facilitate seamless integration between Babashka, a high-performance Clojure interpreter for scripting and development, and various AI applications. By adhering to the universal adapter standards of MCP, this server bridges Babashka's capabilities with a broad range of AI workflows, including those powered by Claude Desktop, Continue, Cursor, and others.
The Babashka MCP Server introduces several key features that enhance its utility as an MCP client. These include command execution, caching mechanisms, access to command history, and configurable timeouts, making it an indispensable tool for developers looking to integrate Clojure scripting with AI-driven applications.
The server supports executing Babashka code through the execute
tool, allowing for dynamic interactions between AI clients and Babashka scripts. This capability is essential for running complex scenarios where real-time execution of Babashka expressions or functions is crucial.
{
name: "execute",
arguments: {
code: string; // Babashka code to execute
timeout?: number; // Timeout in milliseconds (default: 30000)
}
}
Recent command results are cached, providing a performance boost for frequent commands. The server also maintains an accessible history of executed commands through the babashka://commands/{index}
resource URL.
Developers can set timeouts to control how long operations run before being interrupted. This feature ensures that critical tasks receive adequate time while preventing infinite loops or lengthy executions from consuming system resources unnecessarily.
The architecture of the Babashka MCP Server is designed to comply with the Model Context Protocol (MCP) standards, ensuring consistent and reliable interaction between AI clients. The protocol flow can be visualized using Mermaid diagrams, as represented in the following example:
graph TD
A[AI Application] -->|MCP Client| B[MCP Protocol]
B --> C[MCP Server]
C --> D[Data Source/Tool]
style A fill:#e1f5fe
style C fill:#f3e5f5
style D fill:#e8f5e8
graph LR;
AIApplication --> MCPClient;
MCPClient --> MCPProtocol;
MCPProtocol --> MCPServer;
MCPServer --> DataSource/Tool;
style AIApplication background-color:#e1f5fe
style MCPClient background-color:#e1f5fe
style MCPProtocol background-color:#ffffff
style MCPServer background-color:#f3e5f5
style DataSourceTool background-color:#e8f5e8
Starting the Babashka MCP Server is straightforward. You'll begin by ensuring that Babashka is installed on your system, confirming its functionality, and then proceed to install the required dependencies and build the server.
Babashka can be installed via multiple channels:
macOS:
brew install borkdude/brew/babashka
Linux:
curl -s https://raw.githubusercontent.com/babashka/babashka/master/install | bash
Windows (using Scoop):
scoop install babashka
For an extensive list of installation methods, please refer to the official Babashka installation guide.
Test your Babashka setup by running some simple commands:
bb --version # Check version
bb -e '(+ 1 2 3)' # Execute a basic math expression
bb -e '(defn hello [x] (str "Hello, " x "!")) (hello "World")' # Run script from string
bb -i 'ls | (take 2 *input*)' # Use -i flag to input multiple lines of code
npm install
to fetch all required dependencies.npm run build
to compile the server.The Babashka MCP Server finds application in several AI-driven workflows, from data processing and analysis to custom script execution within application environments. Here are two realistic use cases:
Custom Script Execution for Data Filtering: In a machine learning project where data filtering is essential before model training, developers can leverage the Babashka MCP server to run complex filtering scripts dynamically.
Real-Time Command Processing for AI Agents: Within an AI-driven chatbot or personal assistant application, the Babashka MCP server enables real-time processing of commands and context-specific responses.
The Babashka MCP Server supports several popular MCP clients:
MCP Client | Resources | Tools | Prompts | Status |
---|---|---|---|---|
Claude Desktop | ✅ | ✅ | ✅ | Full Support |
Continue | ✅ | ✅ | ✅ | Full Support |
Cursor | ❌ | ✅ | ❌ | Tools Only |
graph TD;
AI_Client[AI Client] -->|MCP Clients|MCPClient1[Claude Desktop]\n✅\n✅\n✅\nFull Support\n|MCPClient2[Continue]\n✅\n✅\n✅\nFull Support\n|MCPClient3[Cursor]\n✅\n✅\n❌\nTools Only;
AI_Client -->|MCP Protocol|MCPServer[MCP Server];
style AI_Client fill:#e1f5fe
style MCPClient1 color: green
style MCPClient2 color: green
style MCPClient3 color: orange
style MCPServer fill:#b3c6ff
The efficiency of the Babashka MCP Server is optimized for performance and compatibility, ensuring seamless integration with the mentioned AI clients. Users can expect:
Advanced configuration options are provided through environment variables and custom setup files, ensuring flexibility in deployment scenarios.
{
"mcpServers": {
"[server-name]": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-[name]"],
"env": {
"API_KEY": "your-api-key"
}
}
}
}
The Babashka MCP server communicates via the MCP protocol, making integration straightforward. You can use the execute
command to run scripts.
Yes, configurable timeouts are supported and can be set when executing commands.
You can configure environment variables like API_KEY to secure communications. Additionally, ensuring strong encryption over the chosen transport medium is essential.
Currently, Babashka's Pod support isn't implemented in the current version of the MCP server, but it can be extended with future updates.
You can check logs and configuration files for errors. Additionally, using Babashka's debug tools can provide insights into any issues encountered during execution.
Contributions to the Babashka MCP Server are welcome! If you wish to contribute, please follow these guidelines:
For developers looking to explore further, here are some useful resources related to the Babashka MCp Server:
Official Resources:
Community Tools & Libraries:
Development Tools:
This documentation aims to provide a comprehensive guide and understanding of the Babashka MCP Server, its features, installation process, key use cases, compatible clients, advanced configurations, and integration with AI applications.
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