Babashka MCP Server

@bmorphism

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Basic information

About Babashka MCP Server

A Model Context Protocol server for interacting with Babashka, a native Clojure interpreter for scripting

#babashka#mcp-server #clojure

Babashka MCP Server config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

Babashka MCP Server tools

Tool list not available yet

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Overview

What is Babashka MCP Server?

A Model Context Protocol server for interacting with Babashka, a native Clojure interpreter for scripting. It allows execution of Babashka code through MCP tools, caches recent results, and provides command history via resources.

How to use Babashka MCP Server?

Install dependencies with npm install, then build with npm run build. Configure the Babashka executable path via the BABASHKA_PATH environment variable (defaults to "bb"). Invoke the server through an MCP client using the execute tool with required code and optional timeout arguments.

Key features of Babashka MCP Server

Execute arbitrary Babashka code through MCP tools
Cache recent command results for fast retrieval
Access command history via resource URIs
Configurable command timeouts (default 30 seconds)

Use cases of Babashka MCP Server

Run Clojure scripts from an MCP-capable agent or IDE
Automate tasks using Babashka’s lightweight scripting
Interactively test and debug Babashka expressions

Frequently asked questions

What is Babashka?

Babashka is a native Clojure interpreter designed for scripting, with fast startup and support for common Clojure features.

How do I install Babashka?

Install via package managers like Homebrew (macOS), a curl script (Linux), or Scoop (Windows). See the official Babashka installation guide.

What tools does the server expose?

It exposes a single tool named `execute`, which takes `code` (string) and optional `timeout` (milliseconds, default 30000).

How can I configure the Babashka path?

Set the environment variable `BABASHKA_PATH` to the path of your Babashka executable. The default is `"bb"`.

Does Babashka support tail call optimization?

Babashka supports explicit TCO using the `recur` special form, but does not implement automatic tail call optimization.

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