MCP server for AWS S3 with fine-grained tool control and S3-compatible endpoint support.
npx -y s3-aws-mcp-server{
"AWS_ACCESS_KEY_ID": "YOUR_SECRET_VALUE",
"AWS_SECRET_ACCESS_KEY": "YOUR_SECRET_VALUE",
"AWS_REGION": "us-east-1",
"AWS_ENDPOINT_URL": "YOUR_VALUE_HERE",
"S3_FORCE_PATH_STYLE": "false",
"S3_BUCKET": "YOUR_VALUE_HERE",
"S3_ENABLED_TOOLGROUPS": "YOUR_VALUE_HERE",
"S3_ENABLED_TOOLS": "YOUR_VALUE_HERE",
"S3_DISABLED_TOOLS": "YOUR_VALUE_HERE",
"SKIP_HEALTH_CHECKS": "false"
}Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"com-pulsemcp-s3": {
"command": "npx",
"args": [
"-y",
"s3-aws-mcp-server"
],
"env": {
"AWS_ACCESS_KEY_ID": "YOUR_SECRET_VALUE",
"AWS_SECRET_ACCESS_KEY": "YOUR_SECRET_VALUE",
"AWS_REGION": "us-east-1",
"AWS_ENDPOINT_URL": "YOUR_VALUE_HERE",
"S3_FORCE_PATH_STYLE": "false",
"S3_BUCKET": "YOUR_VALUE_HERE",
"S3_ENABLED_TOOLGROUPS": "YOUR_VALUE_HERE",
"S3_ENABLED_TOOLS": "YOUR_VALUE_HERE",
"S3_DISABLED_TOOLS": "YOUR_VALUE_HERE",
"SKIP_HEALTH_CHECKS": "false"
}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
s3 is an MCP server for MCP server for AWS S3 with fine-grained tool control and S3-compatible endpoint support.. It supports STDIO transport.
Use the generated config in Install. This server runs with npx -y s3-aws-mcp-server; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for npx -y s3-aws-mcp-server. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for npx -y s3-aws-mcp-server. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for npx -y s3-aws-mcp-server. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for npx -y s3-aws-mcp-server. Add required environment variables before starting Cursor or VS Code.
s3 uses STDIO transport. Use the package or command config in Install.
s3 inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
s3 is marked with Auth required by registry metadata auth. You may need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
s3-aws-mcp-serverstdio | npm | 0.0.4 | Env: AWS_ACCESS_KEY_ID required secret Env: AWS_SECRET_ACCESS_KEY required secret Env: AWS_REGION Env: AWS_ENDPOINT_URL Env: S3_FORCE_PATH_STYLE Env: S3_BUCKET Env: S3_ENABLED_TOOLGROUPS Env: S3_ENABLED_TOOLS Env: S3_DISABLED_TOOLS Env: SKIP_HEALTH_CHECKS |