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.

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Tools

Related MCP server: AgentsID Guard

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

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