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Run sudo commands with a Fernet-encrypted password bound to machine-id + user.
About
Run sudo commands with a Fernet-encrypted password bound to machine-id + user.
Security Report
8.1
Low Risk8.1Low RiskValid MCP server (1 strong, 4 medium validity signals). 4 known CVEs in dependencies (0 critical, 1 high severity) Package registry verified. Imported from the Official MCP Registry.
3 files analyzed · 5 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-kamarusama-mcp-sudo": {
"args": [
"mcp-sudo"
],
"command": "uvx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
mcp-sudo
MCP server for running sudo commands with encrypted password storage.
Exposes 4 tools to persist a sudo password (encrypted with a machine-bound key) and invoke privileged commands without re-entering credentials. Designed for single-user Linux workstations.
Tools
| Tool | Purpose |
|---|---|
store_password | Store sudo password (encrypted, one-time) |
sudo_exec | Run shell command with sudo |
has_password | Check if password is stored |
clear_password | Remove stored password |
Security model
- Password is encrypted with Fernet (AES-128-CBC + HMAC-SHA256).
- Encryption key is derived from
machine-id+USER— never stored on disk. - Decryption only succeeds on the same machine with the same user.
- Encrypted blob lives at
~/.config/claude-sudo-mcp/credential.enc(chmod 600).
This is not a secrets manager. Treat this as "remember my sudo password for this session on this box." If your machine-id is copied to another box or another user reads the MCP process, the password can be recovered.
Install
cd /path/to/mcp-sudo
uv venv --python 3.12 .venv
uv pip install --python .venv/bin/python mcp cryptography
claude mcp add sudo -s user -- \
/path/to/mcp-sudo/.venv/bin/python /path/to/mcp-sudo/server.py
On first use, call store_password once to cache credentials.
Support the project ❤
- Ko-fi: https://ko-fi.com/kamaru
Contact
- Portfolio / general: k.kamarux@gmail.com
- Commercial / licensing: contact@likezara.com
Copyright © 2026 likezara™. All rights reserved. Developed by Kamaru (pen name).
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