Koskamo

LocalStack MCP Server

An MCP server that allows AI agents to manage and interact with LocalStack on the local machine. It enables starting the LocalStack environment, deploying infrastructure via CDK, Terraform, and SAM, debugging by parsing logs and generating IAM policies, injecting chaos faults for resilience testing, and managing state snapshots.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

LocalStack MCP Server logo, by LocalStackCommunity listingLocal stdioSource reviewed; not executedPublished by LocalStack
You need:You need a LocalStack Auth Token
Vendor documentation

What you can do with it

  • Start, stop, and monitor LocalStack emulators
  • Deploy CDK, Terraform, and SAM projects
  • Parse logs and auto-generate IAM policies
  • Inject chaos faults to test system resilience

Source and maintenance

Community listingRegistry 0.5.0
mcp-registry: io.github.localstack/localstack-mcp-server@0.5.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@localstack/localstack-mcp-server 0.5.0

npm
@localstack/localstack-mcp-server package definition
{
  "version": "0.5.0",
  "transport": "stdio",
  "identifier": "@localstack/localstack-mcp-server",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "LOCALSTACK_AUTH_TOKEN",
      "format": "string",
      "isRequired": true,
      "description": "LocalStack Auth Token (required for all LocalStack MCP tools)"
    },
    {
      "name": "AWS_ACCESS_KEY_ID",
      "format": "string",
      "description": "Source AWS access key used by AWS Replicator to read external AWS resources"
    },
    {
      "name": "AWS_SECRET_ACCESS_KEY",
      "format": "string",
      "description": "Source AWS secret access key used by AWS Replicator to read external AWS resources"
    },
    {
      "name": "AWS_SESSION_TOKEN",
      "format": "string",
      "description": "Optional source AWS session token used by AWS Replicator for temporary credentials"
    },
    {
      "name": "AWS_DEFAULT_REGION",
      "format": "string",
      "description": "Source AWS region used by AWS Replicator"
    },
    {
      "name": "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID",
      "format": "string",
      "description": "Optional Replicator-specific source AWS access key. Use this instead of AWS_ACCESS_KEY_ID when the Replicator source account should be isolated from generic AWS config."
    },
    {
      "name": "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY",
      "format": "string",
      "description": "Optional Replicator-specific source AWS secret access key. Use with AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID."
    },
    {
      "name": "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN",
      "format": "string",
      "description": "Optional Replicator-specific source AWS session token for temporary credentials."
    },
    {
      "name": "AWS_REPLICATOR_SOURCE_REGION_NAME",
      "format": "string",
      "description": "Optional Replicator-specific source AWS region. Use with the AWS_REPLICATOR_SOURCE_* credential group."
    },
    {
      "name": "AWS_REPLICATOR_SOURCE_ENDPOINT_URL",
      "format": "string",
      "description": "Optional Replicator-specific source AWS endpoint URL for advanced source-account scenarios."
    },
    {
      "name": "APP_INSPECTOR",
      "format": "string",
      "description": "Set to 1 in the LocalStack container environment to enable App Inspector by default across restarts. The MCP tool can also toggle App Inspector at runtime."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "localstack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@localstack/localstack-mcp-server@0.5.0"
      ],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_LOCALSTACK_AUTH_TOKEN>",
        "AWS_ACCESS_KEY_ID": "<YOUR_AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_SECRET_ACCESS_KEY>",
        "AWS_SESSION_TOKEN": "<YOUR_AWS_SESSION_TOKEN>",
        "AWS_DEFAULT_REGION": "<YOUR_AWS_DEFAULT_REGION>",
        "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID>",
        "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY>",
        "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN>",
        "AWS_REPLICATOR_SOURCE_REGION_NAME": "<YOUR_AWS_REPLICATOR_SOURCE_REGION_NAME>",
        "AWS_REPLICATOR_SOURCE_ENDPOINT_URL": "<YOUR_AWS_REPLICATOR_SOURCE_ENDPOINT_URL>",
        "APP_INSPECTOR": "<YOUR_APP_INSPECTOR>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "localstack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@localstack/localstack-mcp-server@0.5.0"
      ],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_LOCALSTACK_AUTH_TOKEN>",
        "AWS_ACCESS_KEY_ID": "<YOUR_AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_SECRET_ACCESS_KEY>",
        "AWS_SESSION_TOKEN": "<YOUR_AWS_SESSION_TOKEN>",
        "AWS_DEFAULT_REGION": "<YOUR_AWS_DEFAULT_REGION>",
        "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID>",
        "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY>",
        "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN>",
        "AWS_REPLICATOR_SOURCE_REGION_NAME": "<YOUR_AWS_REPLICATOR_SOURCE_REGION_NAME>",
        "AWS_REPLICATOR_SOURCE_ENDPOINT_URL": "<YOUR_AWS_REPLICATOR_SOURCE_ENDPOINT_URL>",
        "APP_INSPECTOR": "<YOUR_APP_INSPECTOR>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "localstack-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@localstack/localstack-mcp-server@0.5.0"
      ],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_LOCALSTACK_AUTH_TOKEN>",
        "AWS_ACCESS_KEY_ID": "<YOUR_AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_SECRET_ACCESS_KEY>",
        "AWS_SESSION_TOKEN": "<YOUR_AWS_SESSION_TOKEN>",
        "AWS_DEFAULT_REGION": "<YOUR_AWS_DEFAULT_REGION>",
        "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID>",
        "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY>",
        "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN>",
        "AWS_REPLICATOR_SOURCE_REGION_NAME": "<YOUR_AWS_REPLICATOR_SOURCE_REGION_NAME>",
        "AWS_REPLICATOR_SOURCE_ENDPOINT_URL": "<YOUR_AWS_REPLICATOR_SOURCE_ENDPOINT_URL>",
        "APP_INSPECTOR": "<YOUR_APP_INSPECTOR>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "localstack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@localstack/localstack-mcp-server@0.5.0"
      ],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_LOCALSTACK_AUTH_TOKEN>",
        "AWS_ACCESS_KEY_ID": "<YOUR_AWS_ACCESS_KEY_ID>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_SECRET_ACCESS_KEY>",
        "AWS_SESSION_TOKEN": "<YOUR_AWS_SESSION_TOKEN>",
        "AWS_DEFAULT_REGION": "<YOUR_AWS_DEFAULT_REGION>",
        "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID>",
        "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY>",
        "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN": "<YOUR_AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN>",
        "AWS_REPLICATOR_SOURCE_REGION_NAME": "<YOUR_AWS_REPLICATOR_SOURCE_REGION_NAME>",
        "AWS_REPLICATOR_SOURCE_ENDPOINT_URL": "<YOUR_AWS_REPLICATOR_SOURCE_ENDPOINT_URL>",
        "APP_INSPECTOR": "<YOUR_APP_INSPECTOR>"
      }
    }
  }
}

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