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localstack-mcp-server

A LocalStack MCP Server providing essential tools for local cloud development & testing

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★ 27 stars Last pushed 2026-09-22 License: Apache-2.0

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Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (npm 0.5.0)

npx -y @localstack/[email protected]

Or add to your MCP client config:

{
  "mcpServers": {
    "localstack-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@localstack/[email protected]"
      ],
      "env": {
        "LOCALSTACK_AUTH_TOKEN": "<YOUR_VALUE>",
        "AWS_ACCESS_KEY_ID": "<YOUR_VALUE>",
        "AWS_SECRET_ACCESS_KEY": "<YOUR_VALUE>",
        "AWS_SESSION_TOKEN": "<YOUR_VALUE>",
        "AWS_DEFAULT_REGION": "<YOUR_VALUE>",
        "AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID": "<YOUR_VALUE>",
        "AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY": "<YOUR_VALUE>",
        "AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN": "<YOUR_VALUE>",
        "AWS_REPLICATOR_SOURCE_REGION_NAME": "<YOUR_VALUE>",
        "AWS_REPLICATOR_SOURCE_ENDPOINT_URL": "<YOUR_VALUE>",
        "APP_INSPECTOR": "<YOUR_VALUE>"
      }
    }
  }
}

LOCALSTACK_AUTH_TOKEN required secret — LocalStack Auth Token (required for all LocalStack MCP tools)
AWS_ACCESS_KEY_ID secret — Source AWS access key used by AWS Replicator to read external AWS resources
AWS_SECRET_ACCESS_KEY secret — Source AWS secret access key used by AWS Replicator to read external AWS resources
AWS_SESSION_TOKEN secret — Optional source AWS session token used by AWS Replicator for temporary credentials
AWS_DEFAULT_REGION — Source AWS region used by AWS Replicator
AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID secret — 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.
AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY secret — Optional Replicator-specific source AWS secret access key. Use with AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID.
AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN secret — Optional Replicator-specific source AWS session token for temporary credentials.
AWS_REPLICATOR_SOURCE_REGION_NAME — Optional Replicator-specific source AWS region. Use with the AWS_REPLICATOR_SOURCE_* credential group.
AWS_REPLICATOR_SOURCE_ENDPOINT_URL — Optional Replicator-specific source AWS endpoint URL for advanced source-account scenarios.
APP_INSPECTOR — 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.