MCP Server Js

@zhuweiyou

Repository

Basic information

About MCP Server Js

run javascript source code

MCP Server Js 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

MCP Server Js tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is mcp_server_js?

mcp_server_js is an MCP server that exposes a single tool for executing JavaScript code. It is designed for developers who need to run JavaScript snippets within an MCP‑enabled application.

How to use mcp_server_js?

Configure the server in your MCP client using either the stdio transport (pointing to the server binary) or the SSE transport (running the server on a port and connecting via URL). Invoke the exposed tool by passing a source code string.

Key features of mcp_server_js

Single tool js(source_code=…) for executing JavaScript
Supports stdio transport for local integration
Supports SSE transport for remote or network‑based use

Use cases of mcp_server_js

Evaluate ad‑hoc JavaScript expressions in an MCP workflow
Run small code snippets without leaving your MCP client

Frequently asked questions

What tool does mcp_server_js provide?

It provides one tool named `js` that accepts a `source_code` parameter containing JavaScript code.

How do I run mcp_server_js over SSE?

Start the server with `./mcp_server_js --port 8080` and configure your MCP client to connect to `http://localhost:8080/sse`.

Can I use mcp_server_js via stdio?

Yes. Add the server command to the `mcpServers` configuration with the path to the binary.

Does mcp_server_js require any runtime dependencies?

The README does not specify any runtime dependencies beyond the server binary itself.

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