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?"