More in storage
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Connect your account, then chat with AI to run tools.
Browse S3 buckets, read objects with automatic spillover for large files, upload inline or via URL, copy objects, and mint presigned download or upload links.
AWS S3 is used here only to identify this integration; MCPBundles is not affiliated with or endorsed by AWS S3 or its owner.
Live probe refreshed Sep 18, 2026 · Endpoint host mcp.mcpbundles.com
Built for
Developers, data engineers, and operators managing object storage workflows
Inspect a config object
List then get_object handles text inline or spillover automatically.
List objects under the config/ prefix in my default bucket, then read the latest settings.json object.
Connect AWS S3 to any MCP client in minutes
You’ll sign in to MCPBundles when your client connects.
https://mcp.mcpbundles.com/bundle/aws-s3This server needs a sign-in. MCPBundles handles that setup once — then chat here with saved access and a log of what ran.
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You’ll sign in to MCPBundles when your client connects.
https://mcp.mcpbundles.com/bundle/aws-s3This server needs a sign-in. MCPBundles handles that setup once — then chat here with saved access and a log of what ran.
Opens MCPBundles Studio with this server selected. After sign-in, chat and run tools from the same thread.
Browse all toolsShare a large export
Presigned GET for binaries too large to inline in chat.
Generate a presigned download URL for s3://my-bucket/exports/report.csv that expires in one hour.
How do large S3 downloads work?
The get object tool inlines small UTF-8 text and automatically spills binary or oversized payloads to a short-lived download URL. If spillover is temporarily unavailable, it returns a presigned GET URL instead of failing.
Domain knowledge for AWS S3 — workflow patterns, data models, and gotchas for your AI agent.
This bundle assumes IAM credentials scoped to the S3 actions you need (list, get, put, delete, and presign).
For temporary STS credentials, save session_token alongside the access key pair. Omit it for long-lived IAM user keys.
Set region on the credential for the home region of most buckets. Individual object calls can override region per bucket when objects live elsewhere.
Optional default_bucket pre-fills bucket parameters on object tools so agents can pass only object keys during repetitive work.
get_object returns UTF-8 text inline when small, spills binary or oversized payloads to a presigned download_url, and falls back to presigned GET when spillover is unavailable. get_object_text remains for strict UTF-8-only reads.
list_objects accepts an optional delimiter (typically /) to return common_prefixes as virtual folders before drilling into keys.
Upload small UTF-8 text or base64 bytes inline (1 MB cap), or pass file_url / Desktop local_path on put tools for fetched uploads. For larger binaries, mint a presigned PUT URL and upload out of band. Copy objects within or across buckets. Deletes require confirm_write=true after verifying the key.
Presigned GET URLs help with large downloads; presigned PUT URLs help with large uploads.
Aws S3
AWS S3 Copy Object
aws_s3_copy_objectCopy an S3 object within or across buckets. The source object is preserved. Use head_object on the destination key afterward when you need the new etag.
Open in StudioThe get object tool inlines small UTF-8 text and automatically spills binary or oversized payloads to a short-lived download URL. If spillover is temporarily unavailable, it returns a presigned GET URL instead of failing.
Add the MCPBundles server URL to your MCP client configuration (Claude Desktop, Cursor, VS Code, etc.). The URL format is: https://mcp.mcpbundles.com/bundle/aws-s3. Authentication is handled automatically.
AWS S3 provides 11 tools that can be called by AI agents, along with a SKILL.md that gives your AI agent domain knowledge about when and how to use them.
AWS S3 uses API Key. AWS S3 requires credentials. Connect via MCPBundles and authentication is handled automatically.
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