A LocalStack MCP Server providing essential tools for local cloud development & testing
To add localstack-mcp-server to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 11 environment variables, listed below.
Install
npx -y @localstack/localstack-mcp-server@0.5.0Environment variables
LOCALSTACK_AUTH_TOKENSet in your MCP configAWS_ACCESS_KEY_IDSet in your MCP configAWS_SECRET_ACCESS_KEYSet in your MCP configAWS_SESSION_TOKENSet in your MCP configAWS_DEFAULT_REGIONSet in your MCP configAWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_IDSet in your MCP configAWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEYSet in your MCP configAWS_REPLICATOR_SOURCE_AWS_SESSION_TOKENSet in your MCP configAWS_REPLICATOR_SOURCE_REGION_NAMESet in your MCP configAWS_REPLICATOR_SOURCE_ENDPOINT_URLSet in your MCP configAPP_INSPECTORSet in your MCP configInstall with your client
claude mcp add localstack --env LOCALSTACK_AUTH_TOKEN=<YOUR_LOCALSTACK_AUTH_TOKEN> --env AWS_ACCESS_KEY_ID=<YOUR_AWS_ACCESS_KEY_ID> --env AWS_SECRET_ACCESS_KEY=<YOUR_AWS_SECRET_ACCESS_KEY> --env AWS_SESSION_TOKEN=<YOUR_AWS_SESSION_TOKEN> --env AWS_DEFAULT_REGION=<YOUR_AWS_DEFAULT_REGION> --env AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID=<YOUR_AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID> --env AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY=<YOUR_AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY> --env AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN=<YOUR_AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN> --env AWS_REPLICATOR_SOURCE_REGION_NAME=<YOUR_AWS_REPLICATOR_SOURCE_REGION_NAME> --env AWS_REPLICATOR_SOURCE_ENDPOINT_URL=<YOUR_AWS_REPLICATOR_SOURCE_ENDPOINT_URL> --env APP_INSPECTOR=<YOUR_APP_INSPECTOR> -- npx -y @localstack/localstack-mcp-server@0.5.0
Run this in a terminal to add the server to Claude Code.
What this does
localstack-mcp-server exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
LOCALSTACK_AUTH_TOKEN AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY AWS_SESSION_TOKEN AWS_DEFAULT_REGION AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN AWS_REPLICATOR_SOURCE_REGION_NAME AWS_REPLICATOR_SOURCE_ENDPOINT_URL APP_INSPECTOR
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install localstack-mcp-server?
Run the Claude Code command in the install section to add localstack-mcp-server to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with localstack-mcp-server?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to localstack-mcp-server as well.
Does localstack-mcp-server need an API key?
Yes. Before it can run, set these environment variables: LOCALSTACK_AUTH_TOKEN, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_SESSION_TOKEN, AWS_DEFAULT_REGION, AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID, AWS_REPLICATOR_SOURCE_AWS_SECRET_ACCESS_KEY, AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKEN, AWS_REPLICATOR_SOURCE_REGION_NAME, AWS_REPLICATOR_SOURCE_ENDPOINT_URL, APP_INSPECTOR. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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