Data security & privacy review

Is markdownify-mcp safe?

MCP Server  zcaceres/markdownify-mcp

aianthropicanthropic-aianthropic-claudemarkdownmcpmodel-context-protocolocr

What is markdownify-mcp?

A Model Context Protocol server for converting almost anything to Markdown

Type: MCP Server License: MIT Source: repository ↗

Data-security signals

Public, checkable facts about markdownify-mcp — they show the risk surface, not what it does with your data at runtime.

  • Open-source — the MIT-licensed code is publicly auditable on its public repository.
  • High access surface — as an MCP server, it can run with your keys, files, environment and network.
  • Maintenance — actively published.
  • Independent exfiltration test — Oxavion tested it and observed no data exfiltration.

✓ Oxavion tested markdownify-mcp — no exfiltration observed

In Oxavion's sandbox, markdownify-mcp did not exfiltrate any planted secret or customer data on any monitored channel (HTTP/S, DNS, raw TCP), scoped to the version tested. Want the full evidence report for the version you run?

✓ Request received — we'll run the scan and email your report shortly.

How to tell if markdownify-mcp is safe

Before you trust any AI tool with your environment, check:

  1. Is the source auditable? Yes — open-source, you can read it.
  2. Does it need your keys or credentials? Most mcp servers do — so it holds them at runtime.
  3. Does it make outbound network calls, and where to? The repo hints at this; only a run confirms it.
  4. Has it been tested for data exfiltration? Yes — Oxavion observed none.

The first three you can check from the repo yourself. The last — what it does with your data at runtime — needs a test. That is exactly what an Oxavion scan does →

Frequently asked

Is markdownify-mcp safe to use?
It depends on what it does with your data at runtime — something a static look can't settle. Oxavion answers it empirically: we sandbox markdownify-mcp, feed it canary secrets and data, and report exactly what (if anything) leaves. Request a free scan for a verdict on the version you run.
How does Oxavion test it?
An isolated gVisor micro-VM, a transparent egress gateway that captures HTTP/S, DNS and raw TCP, planted canary secrets/PII, and encoding-aware detection — aligned to OWASP LLM Top 10 and MITRE ATLAS, calibrated to zero false-negatives / zero false-positives.

Related MCP Servers