What is malchela-marketplace?

A malware and digital-forensics toolkit connected to Claude through MCP, a standard way for software tools to exchange information with an AI assistant.

Use it to inspect file hashes, entropy, PE metadata, strings, and file types; run YARA rules; check VirusTotal, MalwareBazaar, and NSRL; map strings to MITRE ATT&CK; and scan directories for unusual file types.

It brings file inspection, malware rules, threat-intelligence lookups, and directory checks into one investigation workflow.

malchela-marketplace — Plugin for Claude Code by dwmetz/MalChela

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.

Clone the repo

git clone --depth 1 https://github.com/dwmetz/MalChela

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/plugins/dwmetz/malchela/marketplace/github.svg)](https://agentmods.dev/plugins/dwmetz/malchela/marketplace)

Your own site

<a href="https://agentmods.dev/plugins/dwmetz/malchela/marketplace"><img src="https://agentmods.dev/badge/plugins/dwmetz/malchela/marketplace/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.

Your own site · 80×15

<a href="https://agentmods.dev/plugins/dwmetz/malchela/marketplace"><img src="https://agentmods.dev/badge/plugins/dwmetz/malchela/marketplace.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

malchela-marketplace 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 1mo ago.

The scan reads marketplace.json. This mod also ships 1 executable file (mcp/index.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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-plugin/marketplace.json · 41 lines

What it actually says

{
  "name": "malchela-marketplace",
  "owner": {
    "name": "Doug Metz",
    "github": "dwmetz"
  },
  "description": "MalChela — A YARA & Malware Analysis Toolkit with Claude MCP integration for DFIR analysts.",
  "homepage": "https://bakerstreetforensics.com",
  "repository": "https://github.com/dwmetz/MalChela",
  "plugins": [
    {
      "name": "malchela",
      "source": {
        "source": "github",
        "repo": "dwmetz/MalChela"
      },
      "description": "Exposes MalChela's full malware analysis suite to Claude: file analysis (hashes, entropy, PE metadata, YARA, VirusTotal), string extraction with MITRE ATT&CK mapping, hash lookups against VirusTotal and MalwareBazaar, NSRL known-good queries, and directory scanning for file type anomalies.",
      "version": "",
      "author": {
        "name": "Doug Metz",
        "email": "[email protected]"
      },
      "homepage": "https://bakerstreetforensics.com",
      "repository": "https://github.com/dwmetz/MalChela",
      "license": "MIT",
      "keywords": [
        "malware",
        "dfir",
        "forensics",
        "yara",
        "threat-intel",
        "virustotal",
        "mcp",
        "security",
        "rust"
      ],
      "category": "security"
    }
  ]
}

Files

What ships with it

6 files beside marketplace.json in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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.

1mo ago First seen · 41 lines scan A fef0f703cd70

Subscribe to this mod's changes

malchela-marketplace is a plugin published in the GitHub repository dwmetz/MalChela (117 stars, last pushed 18d 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 2026-08-30.

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