AWS S3 MCP — list buckets, browse objects, upload/download, presigned URLs.
AWS S3 MCP — list buckets, browse objects, upload/download, presigned URLs.
Is it safe?
No known CVEs for mcp-server-s3.
No authentication — any process on your machine can connect to this server.
License not specified.
Last scanned 0 days ago.
Is it maintained?
Last commit 23 days ago. 104 weekly downloads.
Will it work with my client?
Transport: stdio, sse, http. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
How much context will it use?
0 tools. Token cost not measured.
What if it doesn't work?
Common issues: JSON syntax errors in config, wrong Node.js version, npx cache, network or firewall blocking. Setup guide covers troubleshooting.
{
"mcpServers": {
"s3": {
"env": {
"AWS_REGION": "us-east-1",
"AWS_ACCESS_KEY_ID": "your-access-key",
"AWS_SECRET_ACCESS_KEY": "your-secret-key"
},
"args": [
"mcp-server-s3"
],
"command": "npx"
}
}
}Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y mcp-server-s3 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Last scanned 1h ago
No known vulnerabilities.
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