A testing tool for Minecraft plugins that runs a real Paper server and real protocol bots. Paper is a Minecraft server software platform, while protocol bots act like connected players through the game's network protocol.

Use it for end-to-end tests of Minecraft plugins, including server behavior and interactions with connected bots.

It lets you test how a plugin behaves in a running server with simulated players, instead of checking only isolated pieces of code.

vitaminmcp — Plugin by Backas03

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Claude Code

/plugin marketplace add Backas03/VitaminMCP

agentmods

npx agentmods add plugins/backas03/vitaminmcp/claude-code

Clone the repo

git clone --depth 1 https://github.com/Backas03/VitaminMCP

Made for: Claude Code.

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. Scan, not verified.

Origin original No closer match found in the catalogue.

Security

Grade A, and why

vitaminmcp 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 yesterday.

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.

claude-code/.claude-plugin/plugin.json · 19 lines

What it actually says

{
  "name": "vitaminmcp",
  "description": "Test Minecraft plugins end to end: drive a real Paper server and real protocol bots.",
  "version": "3.0.3",
  "author": {
    "name": "Backas03",
    "url": "https://github.com/Backas03"
  },
  "homepage": "https://github.com/Backas03/VitaminMCP#readme",
  "repository": "https://github.com/Backas03/VitaminMCP",
  "license": "MIT",
  "keywords": [
    "minecraft",
    "paper",
    "plugin-testing",
    "end-to-end-testing"
  ]
}

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.

yesterday First seen · 19 lines scan A 48080af20eb8

Subscribe to this mod's changes

vitaminmcp is a plugin published in the GitHub repository Backas03/VitaminMCP (0 stars, last pushed 3d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.

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