MCP Servers

SAFE MCP Server

Enables AI assistants to encrypt and decrypt files or text using the SAFE utility with support for passwords, public keys, and GitHub usernames. It provides tools for key generation, identity listing, and inspecting encrypted file metadata.

README

SAFE MCP Server

An MCP server that gives AI assistants the ability to encrypt and decrypt files using SAFE.

Prerequisites

The safe CLI must be installed and available in PATH. See thesafe.dev/download.

Setup

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "safe-encryption": {
      "command": "npx",
      "args": ["safe-mcp-server"]
    }
  }
}

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "safe-encryption": {
      "command": "npx",
      "args": ["safe-mcp-server"]
    }
  }
}

Available Tools

Tool	Description
`safe_encrypt`	Encrypt text or file with password, public key, or GitHub username
`safe_decrypt`	Decrypt a .safe file (auto-discovers keys from ~/.safe/ and ~/.ssh/)
`safe_keygen`	Generate encryption keypair (x25519, p-256, ml-kem-768)
`safe_info`	Inspect encrypted file metadata without decrypting
`safe_keys`	List identities and recipients

Usage

Once configured, ask your AI assistant:

"Encrypt this file with a password"
"Decrypt secrets.safe"
"Generate an encryption key"
"Encrypt this for github:alice"
"Who can decrypt this .safe file?"

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