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s3

s3 is an MCP server for Claude Code from FerhatDundar/s3-mcp-connector. Its token cost is not measured, scanned A, original, MIT.

An MCP server for Amazon S3, the cloud service used to store files and other objects. It connects an assistant to an S3-compatible storage account using configuration values such as region and access keys.

In plain words
What is it for?
Use it for assistant tasks involving files stored in an S3 bucket or another S3-compatible service, subject to the server's available operations.
Why use it?
It gives the assistant a configured connection to stored files without requiring you to describe the connection each time. It needs valid AWS credentials and related settings before it can run.

MCP server for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: listed in a Claude config.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the s3-connector plugin — 1 MCP server shipped together

not rated 0repo 6d ago A scan tokens not measured original MIT

Good fit Use it for assistant tasks involving files stored in an S3 bucket or another S3-compatible service, subject to the server's available operations.

Compare 6 mcp servers from other repositories ↓
View source ↗ FerhatDundar/s3-mcp-connector
Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add FerhatDundar/s3-mcp-connector
Claude Code
/plugin install s3-connector

Made for: Claude Code.

Or install s3-connector, the plugin that ships this one along with the rest of its 1 MCP server.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for s3

README.md
[![agentmods](https://agentmods.dev/badge/mcp/ferhatdundar/s3-mcp-connector/s3/github.svg)](https://agentmods.dev/mcp/ferhatdundar/s3-mcp-connector/s3)
Your own site
<a href="https://agentmods.dev/mcp/ferhatdundar/s3-mcp-connector/s3"><img src="https://agentmods.dev/badge/mcp/ferhatdundar/s3-mcp-connector/s3/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for s3

Your own site · 80×15
<a href="https://agentmods.dev/mcp/ferhatdundar/s3-mcp-connector/s3"><img src="https://agentmods.dev/badge/mcp/ferhatdundar/s3-mcp-connector/s3.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

s3 scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugin/.mcp.json · 12 lines

What it actually says

{
  "s3": {
    "command": "${CLAUDE_PLUGIN_ROOT}/servers/go/s3-connector-server",
    "env": {
      "AWS_REGION": "us-east-1",
      "AWS_ACCESS_KEY_ID": "PASTE_YOUR_AWS_ACCESS_KEY_ID_HERE",
      "AWS_SECRET_ACCESS_KEY": "PASTE_YOUR_AWS_SECRET_ACCESS_KEY_HERE",
      "S3_ENDPOINT_URL": "",
      "S3_FORCE_PATH_STYLE": "false"
    }
  }
}
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 12 lines scan A d317e65cf4f7

Subscribe to this mod's changes

s3 is an MCP server published in the GitHub repository FerhatDundar/s3-mcp-connector (0 stars, last pushed 6d ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

GoLanguagesawslocalstackmcpmcp-servermodel-context-protocol
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