Question 1

What is an MCP Server?

Accepted Answer

MCP (Model Context Protocol) server acts as a bridge, allowing AI models to access and interact with external data sources and tools. It standardizes how applications provide context to LLMs, enabling them to execute code, access data, and perform actions in a controlled environment.

Question 2

What is UBOS?

Accepted Answer

UBOS is a Full-stack AI Agent Development Platform focused on bringing AI Agents to every business department. Our platform helps you orchestrate AI Agents, connect them with your enterprise data, build custom AI Agents with your LLM model, and create Multi-Agent Systems.

Question 3

What programming languages does the JavaScript MCP Server support?

Accepted Answer

The server primarily supports JavaScript and TypeScript. TypeScript code is automatically transpiled to JavaScript before execution.

Question 4

What are the different operating modes of the server?

Accepted Answer

The server supports three operating modes: Standard MCP Mode (communicates via stdio using MCP), Interactive Mode (provides a REPL interface), and Pipe Mode (uses named pipes for communication).

Question 5

How do I install NPM packages for use with the server?

Accepted Answer

The server allows dynamic importing and use of NPM packages within the execution environment. You can use standard `require()` or `import` statements within your JavaScript code to access NPM packages.

Question 6

How do I maintain state across multiple interactions with the server?

Accepted Answer

The server supports stateful REPL sessions, allowing you to store variables and function definitions for later use. You can create, execute in, list, and delete sessions using the available tools.

Question 7

What is the purpose of the 'execute' tool?

Accepted Answer

The 'execute' tool runs JavaScript code once and returns the result. It's suitable for one-time script executions without maintaining a persistent session.

Question 8

How can I use the interactive mode for debugging?

Accepted Answer

Start the server with the `--interactive` flag. This provides a direct command-line REPL interface where you can type and execute JavaScript code in real-time.

Question 9

What is the architecture of the JavaScript MCP server?

Accepted Answer

The server follows a layered architecture consisting of the MCP Protocol Layer, JavaScript Execution Layer, Resource Management Layer, and Session Management Layer.

Question 10

Where can I find examples of how to use the server in different modes?

Accepted Answer

See the [examples directory](./examples/README.md) in the GitHub repository for detailed instructions and examples on using the different operating modes of the server.

Question 11

Is the JavaScript MCP Server Open Source?

Accepted Answer

Yes, the JavaScript MCP Server is released under the MIT license, meaning it is free to use, modify, and distribute.

JavaScript MCP Server

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