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Nest MCP Sse

@HxinY499

Repository

Basic information

Category

Other

Transports

stdio

Author

HxinY499

About Nest MCP Sse

基于nest快速开发sse mcp server

#nestjs#sse#mcp-server

Nest MCP Sse 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

Nest MCP Sse 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 nest-mcp-sse?

nest-mcp-sse is a dynamic NestJS module that lets you quickly build SSE-based MCP servers. It handles Transport lifecycle and McpServer instantiation so you can focus on MCP tool development, without wrapping the official SDK’s native methods.

How to use nest-mcp-sse?

Install the package alongside @modelcontextprotocol/sdk and zod. Import McpModule in your NestJS module and configure it with register, forRoot or forFeature. After registration, you can inject McpServerService to get a native McpServer instance (via getServer) and register tools with the SDK’s original API. SSE and message endpoints are automatically created.

Key features of nest-mcp-sse

  • Quickly create MCP servers in NestJS applications
  • Manage multiple MCP Server instances
  • Automatic SSE connection lifecycle handling
  • Does not wrap native McpServer SDK methods
  • Supports custom SSE and message endpoint names

Use cases of nest-mcp-sse

  • Exposing MCP tools via SSE in an existing NestJS app
  • Running multiple MCP server instances within one NestJS application
  • Rapid prototyping of MCP tools without managing low-level Transport details

Frequently asked questions

1

How is nest-mcp-sse different from using the MCP SDK directly?

It only manages McpServer instances and SSE Transport — it does not wrap any native SDK methods, so you use the original SDK API unchanged.

2

What are the runtime requirements?

Node.js, a NestJS project, and the peer dependencies `@modelcontextprotocol/sdk` and `zod`.

3

How is data stored or transmitted?

The server communicates via SSE (Server-Sent Events) over HTTP. No external database is required.

4

How do I access the SSE and message endpoints?

Endpoints are `/{controllerBaseUrl}/{serverId}/sse` and `/{controllerBaseUrl}/{serverId}/messages`. Their names can be customized with `sseEndpoint` and `messagesEndpoint` options.

5

How does authentication work?

The README does not mention built-in authentication. You can add NestJS guards to the generated endpoints for authorization.

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