Question 1

What is MCP (Model Context Protocol)?

Accepted Answer

MCP is an open protocol that standardizes how applications provide context to Large Language Models (LLMs). It allows AI models to access and interact with external data sources and tools.

Question 2

What is `express-mcp-handler`?

Accepted Answer

`express-mcp-handler` is a utility for integrating MCP into Express.js applications, simplifying the process of building AI-powered applications that leverage external data and services.

Question 3

What are the key features of `express-mcp-handler`?

Accepted Answer

Key features include stateful and stateless handler modes, a flexible and intuitive API, and comprehensive error handling.

Question 4

What is the difference between stateful and stateless mode?

Accepted Answer

Stateful mode establishes persistent, reusable sessions between the client and server, while stateless mode processes each request in complete isolation.

Question 5

When should I use stateful mode?

Accepted Answer

Use stateful mode for applications that require maintaining context across multiple requests, such as AI-powered chatbots or real-time data streams.

Question 6

When should I use stateless mode?

Accepted Answer

Use stateless mode for simple, one-off requests where session management is not necessary, such as serverless functions or simple API endpoints.

Question 7

How do I install `express-mcp-handler`?

Accepted Answer

Install `express-mcp-handler` using npm or yarn: `npm install express-mcp-handler` or `yarn add express-mcp-handler`.

Question 8

What are the peer dependencies of `express-mcp-handler`?

Accepted Answer

The peer dependencies are `express` (>= 4.x) and `@modelcontextprotocol/sdk`.

Question 9

How do I integrate `express-mcp-handler` into my Express application?

Accepted Answer

Import the `statefulHandler` and `statelessHandler` functions and mount them on your Express app:nntsnimport express from 'express';nimport { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';nimport { statefulHandler, statelessHandler } from 'express-mcp-handler';nnconst app = express();napp.use(express.json());nnapp.post('/mcp', statefulHandler(server, handlerOptions));n

Question 10

Can I use `express-mcp-handler` with UBOS?

Accepted Answer

Yes, `express-mcp-handler` seamlessly integrates with UBOS, enhancing the capabilities of the platform and enabling you to build more sophisticated AI agent solutions.

Express MCP Handler

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