S3 MCP Server

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add s3 -- npx -y s3-aws-mcp-server

{
  "mcpServers": {
    "s3": {
      "args": [
        "-y",
        "s3-aws-mcp-server"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.s3]
command = "npx"
args = ["-y", "s3-aws-mcp-server"]

{
  "mcpServers": {
    "s3": {
      "args": [
        "-y",
        "s3-aws-mcp-server"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "s3": {
      "args": [
        "-y",
        "s3-aws-mcp-server"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: AWS_ACCESS_KEY_ID (AWS access key ID for authentication.), AWS_SECRET_ACCESS_KEY (AWS secret access key for authentication.), AWS_REGION (AWS region for S3 operations.), AWS_ENDPOINT_URL (Custom S3 endpoint URL for MinIO or S3-compatible services.), S3_FORCE_PATH_STYLE (Use path-style addressing instead of virtual-hosted-style.), S3_BUCKET (Constrain all operations to a single bucket.), S3_ENABLED_TOOLGROUPS (Comma-separated tool groups: readonly or readwrite.), S3_ENABLED_TOOLS (Whitelist specific tools by name.), S3_DISABLED_TOOLS (Blacklist specific tools by name.), SKIP_HEALTH_CHECKS (Skip AWS credential validation health checks at startup.). The author declared them in the registry entry; get the values from the project itself.