io.github.localstack/localstack-mcp-server
io.github.localstack/localstack-mcp-server
A LocalStack MCP Server providing essential tools for local cloud development & testing
Connect this server
Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.
{
"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_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>"
}
}
}
}- LOCALSTACK_AUTH_TOKENrequiredsecretLocalStack Auth Token (required for all LocalStack MCP tools)
- AWS_ACCESS_KEY_IDsecretSource AWS access key used by AWS Replicator to read external AWS resources
- AWS_SECRET_ACCESS_KEYsecretSource AWS secret access key used by AWS Replicator to read external AWS resources
- AWS_SESSION_TOKENsecretOptional source AWS session token used by AWS Replicator for temporary credentials
- AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_IDsecretOptional 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_KEYsecretOptional Replicator-specific source AWS secret access key. Use with AWS_REPLICATOR_SOURCE_AWS_ACCESS_KEY_ID.
- AWS_REPLICATOR_SOURCE_AWS_SESSION_TOKENsecretOptional Replicator-specific source AWS session token for temporary credentials.
A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.
- Category
- Developer Tools
- Version
- 0.5.0
- Registry
- active
- Published
- 6/17/2026
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