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NestJS MCP Module

@bamada

リポジトリ

基本情報

カテゴリ

その他

ライセンス

MIT license

トランスポート

stdio

作者

bamada

NestJS MCP Module について

NestJS module for seamless Model Context Protocol (MCP) server integration using decorators.

NestJS MCP Module の設定

標準の設定はありません

このサーバーの README には解析可能な MCP 設定ブロックが含まれていません。インストール手順はリポジトリをご確認ください。

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NestJS MCP Module のツール

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ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is NestJS MCP Module?

A NestJS module that simplifies building Model Context Protocol (MCP) servers. It exposes resources, tools, and prompts using familiar NestJS decorators and supports STDIO and HTTP/SSE transport.

How to use NestJS MCP Module?

Install the package and its peer dependencies, then import McpModule into your root module via forRoot or forRootAsync. Define MCP capabilities by decorating provider methods with @McpResource, @McpTool, or @McpPrompt. Configure the transport type (STDIO or SSE) and run your application. For STDIO, replace the NestJS logger with the included StderrLogger.

Key features of NestJS MCP Module

  • Seamless MCP integration using NestJS method decorators.
  • Automatic discovery of decorated providers.
  • Supports STDIO and HTTP/SSE transport.
  • Uses Zod schemas for tool and prompt argument validation.
  • Configurable via forRoot and forRootAsync patterns.
  • Includes StderrLogger for STDIO transport compatibility.

Use cases of NestJS MCP Module

  • Building CLI-based MCP servers using STDIO transport.
  • Exposing MCP endpoints over HTTP/SSE for web clients.
  • Defining typed MCP tools with parameter validation.
  • Providing static and template MCP resources.
  • Creating MCP prompt templates for LLM interactions.

よくある質問

1

What peer dependencies are required?

`@modelcontextprotocol/sdk` (^1.10.2), `@nestjs/platform-express` (^10 or ^11), and `zod` (^3.0.0) must be installed.

2

How do I configure the transport type?

Pass `transport` in `McpModule.forRoot(options)`. Choose `TransportType.STDIO`, `TransportType.SSE`, or `TransportType.NONE`.

3

How do I handle logging for STDIO transport?

Replace the NestJS logger with the `StderrLogger` class provided by the module to prevent logs from interfering with STDIO MCP communication.

4

What endpoints are exposed for HTTP/SSE transport?

The `McpHttpController` exposes `/api/mcp/sse` for SSE connections and `/api/mcp/messages` for message exchange.

5

What decorators are available for defining MCP capabilities?

`@McpResource`, `@McpTool`, and `@McpPrompt` for resources, tools, and prompts respectively.

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