s3

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "name": "com.pulsemcp/s3",
  "description": "MCP server for AWS S3 with fine-grained tool control and S3-compatible endpoint support.",
  "repository": {
    "url": "https://github.com/pulsemcp/mcp-servers",
    "source": "github",
    "subfolder": "experimental/s3"
  },
  "version": "0.0.5",
  "packages": [
    {
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org",
      "identifier": "s3-aws-mcp-server",
      "version": "0.0.5",
      "runtimeHint": "npx",
      "transport": {
        "type": "stdio"
      },
      "runtimeArguments": [
        {
          "value": "-y",
          "type": "positional"
        }
      ],
      "environmentVariables": [
        {
          "description": "AWS access key ID for authentication.",
          "isRequired": true,
          "isSecret": true,
          "name": "AWS_ACCESS_KEY_ID"
        },
        {
          "description": "AWS secret access key for authentication.",
          "isRequired": true,
          "isSecret": true,
          "name": "AWS_SECRET_ACCESS_KEY"
        },
        {
          "description": "AWS region for S3 operations.",
          "default": "us-east-1",
          "name": "AWS_REGION"
        },
        {
          "description": "Custom S3 endpoint URL for MinIO or S3-compatible services.",
          "name": "AWS_ENDPOINT_URL"
        },
        {
          "description": "Use path-style addressing instead of virtual-hosted-style.",
          "default": "false",
          "name": "S3_FORCE_PATH_STYLE"
        },
        {
          "description": "Constrain all operations to a single bucket.",
          "name": "S3_BUCKET"
        },
        {
          "description": "Comma-separated tool groups: readonly or readwrite.",
          "name": "S3_ENABLED_TOOLGROUPS"
        },
        {
          "description": "Whitelist specific tools by name.",
          "name": "S3_ENABLED_TOOLS"
        },
        {
          "description": "Blacklist specific tools by name.",
          "name": "S3_DISABLED_TOOLS"
        },
        {
          "description": "Skip AWS credential validation health checks at startup.",
          "default": "false",
          "name": "SKIP_HEALTH_CHECKS"
        }
      ]
    }
  ]
}