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s3 for VS Code

com.pulsemcp/s3

MCP server for AWS S3 with fine-grained tool control and S3-compatible endpoint support.

client:VS Code transport:stdio runtime:npm

Install s3 in VS Code

.vscode/mcp.json

{
  "inputs": [
    {
      "type": "promptString",
      "id": "aws-access-key-id",
      "description": "AWS_ACCESS_KEY_ID",
      "password": true
    },
    {
      "type": "promptString",
      "id": "aws-secret-access-key",
      "description": "AWS_SECRET_ACCESS_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "aws-region",
      "description": "AWS_REGION",
      "password": true
    },
    {
      "type": "promptString",
      "id": "aws-endpoint-url",
      "description": "AWS_ENDPOINT_URL",
      "password": true
    },
    {
      "type": "promptString",
      "id": "s3-force-path-style",
      "description": "S3_FORCE_PATH_STYLE",
      "password": true
    },
    {
      "type": "promptString",
      "id": "s3-bucket",
      "description": "S3_BUCKET",
      "password": true
    },
    {
      "type": "promptString",
      "id": "s3-enabled-toolgroups",
      "description": "S3_ENABLED_TOOLGROUPS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "s3-enabled-tools",
      "description": "S3_ENABLED_TOOLS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "s3-disabled-tools",
      "description": "S3_DISABLED_TOOLS",
      "password": true
    },
    {
      "type": "promptString",
      "id": "skip-health-checks",
      "description": "SKIP_HEALTH_CHECKS",
      "password": true
    }
  ],
  "servers": {
    "s3": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "s3-aws-mcp-server"
      ],
      "env": {
        "AWS_ACCESS_KEY_ID": "${input:aws-access-key-id}",
        "AWS_SECRET_ACCESS_KEY": "${input:aws-secret-access-key}",
        "AWS_REGION": "${input:aws-region}",
        "AWS_ENDPOINT_URL": "${input:aws-endpoint-url}",
        "S3_FORCE_PATH_STYLE": "${input:s3-force-path-style}",
        "S3_BUCKET": "${input:s3-bucket}",
        "S3_ENABLED_TOOLGROUPS": "${input:s3-enabled-toolgroups}",
        "S3_ENABLED_TOOLS": "${input:s3-enabled-tools}",
        "S3_DISABLED_TOOLS": "${input:s3-disabled-tools}",
        "SKIP_HEALTH_CHECKS": "${input:skip-health-checks}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

s3 in other clients