S3 (ofershap) MCP Server

Manage AWS S3 buckets and objects from your AI assistant. Browse files, upload and download content, and generate presigned URLs. Its 7 documented tools cluster into read & search, update, delete, presigned. It runs locally over stdio via the published package.

People connecting cloud infrastructure tools to Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-08-10 · ★ 4 · #69 OF 141 MAINTAINED CLOUD INFRASTRUCTURE · VERIFIED 2026-08-25

MIT · TypeScript servers · how we verify → /methodology

01 · Install S3 (ofershap)

before you install - you'll need

Set AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY before connecting. AWS_REGION is optional or environment-specific per the README.

Claude Code

claude mcp add ofershap-mcp-server-s3 -- npx -y mcp-server-s3

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "ofershap-mcp-server-s3": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-s3"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package mcp-server-s3 - unscoped; check the name against the project README before installing

registry namespace io.github.ofershap is GitHub-verified and matches the repo owner

03 · What S3 (ofershap) can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

What you can build

With this server connected, an agent can list all S3 buckets in your AWS account, list objects in a bucket, with optional prefix filter, download and read an object's content as text, and upload text content to an S3 object.

Capability map

Tools grouped from the project's README - what S3 (ofershap) lets an agent do.

read & search

3 tools - e.g. List all S3 buckets in your AWS account.; List objects in a bucket, with optional prefix filter.; Download and read an object's content as text.

list_buckets · list_objects · get_object

update

1 tool - e.g. Upload text content to an S3 object.

put_object

delete

1 tool - e.g. Delete an object from a bucket.

delete_object

Presigned

1 tool - e.g. Generate a temporary presigned URL for an object.

presigned_url

Bucket

1 tool - e.g. Check if a bucket exists and get basic info.

bucket_info

04 · Who maintains S3 (ofershap)

s3 is maintained by ofershap. We track 15 MCP servers from ofershap - 15 actively maintained, 92 combined GitHub stars, oldest repo from Feb 2026. Full record: all servers from ofershap.

05 · Facts

repository: github.com/ofershap/mcp-server-s3
category: cloud infrastructure - ranked #69 of 141 actively-maintained cloud infrastructure servers as of 2026-08-25.
registry: io.github.ofershap/s3 (active, first published 2026-03-10)
packages: npm:mcp-server-s3

06 · S3 (ofershap) FAQ

Is S3 (ofershap) still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-10. We re-verify nightly.

What can S3 (ofershap) do?

How do I install S3 (ofershap)?

Run `npx -y mcp-server-s3`. The README documents 3 environment variables (AWS_REGION, AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY) to set first. Set AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY before connecting. AWS_REGION is optional or environment-specific per the README. You can also paste the ready-made client config above.

Does S3 (ofershap) run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to S3 (ofershap)

Alternatives to S3 (ofershap)

Maintained cloud infrastructure servers if S3 (ofershap) isn't the fit.

Pairs well with

Servers that cover what S3 (ofershap) doesn't - only shown when the pairing reason fits the companion.

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