Koskamo

mcp-server-s3

An open-source MCP server for AWS S3 that allows AI assistants to manage buckets and objects. It supports listing buckets, browsing and filtering objects, uploading and downloading content, deleting objects, and generating temporary presigned URLs. It integrates with clients like Claude Desktop, Cursor, and VS Code Copilot, utilizing the standard AWS credential chain for authentication.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

mcp-server-s3 logo, by ofershapCommunity listingLocal stdioSource reviewed; not executedPublished by ofershap
You need:Uses your existing AWS credentials ( ~/.aws/credentials or environment variables)Set AWS_REGION (defaults to us-east-1 ) and make sure your credentials have the necessary S3 permissions: s3:ListBuckets , s3:ListBucket , s3:GetObject , s3:PutObject , s3:DeleteObject , s3:HeadBucket
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Popularity 4 GitHub stars

What you can do with it

  • List all S3 buckets in an AWS account
  • Browse and filter objects within a bucket
  • Upload text content to an S3 object
  • Generate temporary presigned URLs for sharing

Source and maintenance

Community listingRegistry 1.0.1MIT
mcp-registry: io.github.ofershap/s3@1.0.1Source repository
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-server-s3 1.0.1

npm
mcp-server-s3 package definition
{
  "version": "1.0.1",
  "transport": "stdio",
  "identifier": "mcp-server-s3",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "mcp-server-s3": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-s3@1.0.1"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "mcp-server-s3": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-s3@1.0.1"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "mcp-server-s3": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-s3@1.0.1"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "mcp-server-s3": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-s3@1.0.1"
      ]
    }
  }
}

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