pyobfus

by zhurong2020 · Developer Tools · ★ 11

pyobfus is an MCP server by zhurong2020. AST-based Python obfuscator with reverse stack-trace mapping — obfuscate before shipping and keep production tracebacks AI-debuggable. MCP + VS Code. It has 11 GitHub stars and ranks #1353 of 2217 in Developer Tools by stars.

Category: Developer Tools
Author: zhurong2020
GitHub stars: 11
This week: Tracking since 19 Oct 2026
Language: Python
License: Apache-2.0 (open source)
Last update: 2026-10-24 (today)
Links: Source Website PyPI

ai-native
claude-code
code-obfuscator
code-protection
cursor
llm-tools
mcp-server
pyarmor-alternative
python-obfuscator
python-security
source-protection
ast-obfuscation
+7 more

How to install pyobfus

pyobfus is published on PyPI as pyobfus-mcp, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need uv for uvx.

Add it to Claude Code from a terminal:

claude mcp add pyobfus -- uvx pyobfus-mcp

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "pyobfus": {
      "command": "uvx",
      "args": [
        "pyobfus-mcp"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm pyobfus and its tools are listed. The install guide covers VS Code and Codex.

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Frequently asked questions

What is pyobfus?

pyobfus is an MCP server by zhurong2020 in the Developer Tools category. AST-based Python obfuscator with reverse stack-trace mapping — obfuscate before shipping and keep production tracebacks AI-debuggable. MCP + VS Code. It has 11 GitHub stars and ranks #1353 of 2217 in Developer Tools by stars. It is written in Python. It is licensed under Apache-2.0. It was last updated today.

Is pyobfus free and open source?

Yes. pyobfus is published under the Apache-2.0 license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

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