MCP Lambda SAM

@markvp

リポジトリ

基本情報

カテゴリ

クラウドとインフラ

ライセンス

MIT

トランスポート

stdio

作者

markvp

MCP Lambda SAM について

An AWS Serverless Application Model that operates as an MCP server via serverless AWS resources

MCP Lambda SAM の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "mcp-lambda-sam": {
      "command": "npx",
      "args": [
        "@markvp/mcp-lambda-sam",
        "deploy"
      ]
    }
  }
}

MCP Lambda SAM のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is MCP Lambda SAM?

MCP Lambda SAM is a serverless implementation of the Model Context Protocol (MCP) using AWS Lambda and the Serverless Application Model (SAM). It provides two interfaces: an administrative interface for registering MCP tools, resources, and prompts, and a client interface for establishing SSE connections, sending commands, and receiving streaming responses.

How to use MCP Lambda SAM?

Deploy via npx @markvp/mcp-lambda-sam deploy, the AWS Serverless Application Repository, or programmatic install. After deployment, administrators register tools through a dedicated Lambda function URL with IAM authentication. Clients connect using AWS Signature V4 signed SSE requests, obtain a session ID, and then send JSON-RPC commands to the message endpoint.

Key features of MCP Lambda SAM

Serverless MCP implementation using AWS Lambda and SAM
Two interfaces: system administration and client usage
SSE streaming for real-time communication
DynamoDB tables for session and registration persistence
IAM-based authentication via Lambda Function URLs
Supports registration, update, deletion, and listing of tools/resources/prompts
Deploy via npx CLI, SAR, or local SAM commands

Use cases of MCP Lambda SAM

Administrators registering new MCP tools, resources, or prompts via the registration API
Clients establishing SSE connections to receive streaming responses from registered tools
Managing multiple server instances by providing different stack names
Deploying in a VPC for secure internal access

よくある質問

What are the runtime requirements?

AWS CLI, AWS SAM CLI, Node.js 20.x or later, and an AWS account with permissions to create Lambda functions, DynamoDB tables, IAM roles, and SQS queues.

How do I deploy MCP Lambda SAM?

You can deploy using `npx @markvp/mcp-lambda-sam deploy`, from the AWS Serverless Application Repository (search “mcp-lambda-sam”), programmatically by installing the npm package, or locally with `sam build` and `sam deploy --guided`.

How does authentication work?

All MCP endpoints are IAM-protected via Lambda Function URLs with `AWS_IAM` auth type. Administrators need permission to invoke the registration function URL; clients need permission to invoke the MCP function URL. Permissions are granted using IAM policies or `aws lambda add-permission` commands.

How do I register a tool or resource?

Send an HTTP POST request to the registration function URL with JSON body containing `type`, `name`, `description`, `lambdaArn`, and `parameters`. Use `awscurl` or any client capable of AWS Signature V4 signing.

What common errors can occur?

401 (invalid/missing credentials), 403 (insufficient permissions), 404 (invalid session ID), and 429 (rate limit exceeded). Troubleshooting includes verifying credentials, IAM permissions, session ID validity, and command format.

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