KosmoKrator

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AWS MCP Gateway for AI Agents

Expose AWS tools to Claude Code, Cursor, Codex, and other MCP clients through the local KosmoKrator MCP gateway.

8 functions 7 read 1 write Bearer token auth
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AWS MCP Gateway

Expose AWS to MCP clients with `kosmokrator mcp:serve --integration=aws`.

If the client has never used KosmoKrator before, install it first, then register this integration as a stdio MCP server. The gateway exposes only the selected integration in the example below. 

curl -fsSL https://raw.githubusercontent.com/OpenCompanyApp/kosmokrator/main/install.sh | bash
kosmokrator mcp:gateway:install --integration=aws --write=deny --json
{
  "mcpServers": {
    "kosmokrator-aws": {
      "type": "stdio",
      "command": "kosmo",
      "args": [
        "mcp:serve",
        "--integration=aws",
        "--write=deny"
      ]
    }
  }
}

Serve Manually

kosmokrator mcp:serve --integration=aws --write=deny

MCP Tool Names

KosmoKrator exposes integration tools through the gateway with stable names:

MCP toolSource functionType
integration__aws__aws_list_s3_buckets aws.aws_list_s3_buckets Read read
integration__aws__aws_list_ec2_instances aws.aws_list_ec2_instances Read read
integration__aws__aws_list_lambda_functions aws.aws_list_lambda_functions Read read
integration__aws__aws_invoke_lambda aws.aws_invoke_lambda Write write
integration__aws__aws_list_dynamodb_tables aws.aws_list_dynamodb_tables Read read
integration__aws__aws_get_cloudwatch_metrics aws.aws_get_cloudwatch_metrics Read read
integration__aws__aws_list_sns_topics aws.aws_list_sns_topics Read read
integration__aws__aws_get_current_user aws.aws_get_current_user Read read

Write Access

Start with --write=deny for read-only MCP clients. Use --write=ask or --write=allow only when the client and workspace are trusted.