localstack/localstack-mcp-server

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Repository Install

MCP Server for LocalStack

概要

The LocalStack MCP server is currently available as an experimental public preview. For questions, issues or feedback, please utilize the LocalStack Community slack or submit a GitHub Issue LocalStack emulates the cloud on your local machine so software teams and AI agents can validate security, quality, and reliability faster and more safely than the cloud allows. This Model Context Protocol (MCP) server lets any MCP client (Cursor, Claude, VS Code, and more) start LocalStack, deploy infrastructure, and debug your local cloud in natural language. Set up the server in your MCP client with the interactive wizard: The wizard detects your installed clients, asks how you want to run the server, and writes the configuration for you. You need a LocalStack Auth Token; the wizard reads LOCALSTACK_AUTH_TOKEN from your environment or asks for it. For the full options, prerequisites, and manual setup, see Installation.

README

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[!IMPORTANT] The LocalStack MCP server is currently available as an experimental public preview. For questions, issues or feedback, please utilize the LocalStack Community slack or submit a GitHub Issue

LocalStack emulates the cloud on your local machine so software teams and AI agents can validate security, quality, and reliability faster and more safely than the cloud allows. This Model Context Protocol (MCP) server lets any MCP client (Cursor, Claude, VS Code, and more) start LocalStack, deploy infrastructure, and debug your local cloud in natural language.

Quick start

Set up the server in your MCP client with the interactive wizard:

npx -y @localstack/localstack-mcp-server init

The wizard detects your installed clients, asks how you want to run the server, and writes the configuration for you. You need a LocalStack Auth Token; the wizard reads LOCALSTACK_AUTH_TOKEN from your environment or asks for it. For the full options, prerequisites, and manual setup, see Installation.

What you can ask your agent

Once the server is configured, talk to LocalStack through your agent in natural language:

“Start LocalStack and deploy the Terraform project in ./infra, then tell me which resources came up.”
“My Lambda calls are failing. Read the LocalStack logs, find the permission errors, and generate an IAM policy that fixes them.”
“Inject 500ms of latency into DynamoDB and confirm my retry logic still works.”
“Search the LocalStack docs for how to enable S3 event notifications and summarize the steps.”
“Start the LocalStack Azure emulator, create a resource group and a storage account, and upload ./data/sample.csv to a new blob container.”

How it works

The server connects MCP-compatible apps directly to your local LocalStack environment and its emulated AWS services, so your assistant can operate the stack securely without custom scripts or manual setup.

This server eliminates custom scripts and manual LocalStack management. Your agent can:

Start, stop, restart, and monitor the LocalStack for AWS, Snowflake and Azure emulators with built-in auth.
Deploy CDK, Terraform, and SAM projects with automatic configuration detection.

GitHub で README 全文を見る

インストール

npx -y @localstack/localstack-mcp-server

MCP 初心者？mcpskill.org のガイドから始めましょう →

設定

{
  "mcpServers": {
    "localstack": {
      "command": "npx",
      "args": ["-y", "@localstack/localstack-mcp-server"],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_TOKEN>"
      }
    }
  }
}