Cipher
Verified IntegrationClient Configuration
— Connect Cipher to Claude Desktop or Cursor in seconds{
"mcpServers": {
"cipher-1": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-cipher-1"
],
"env": {}
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).System Overview
Provides an MCP server to facilitate workflows for classical ciphers, offering encryption, decryption, and helper utilities.
7/22/2026
Open Source
stdio / SSE RPC
Frequently Asked Questions
Architecture and operational details for Cipher
Cipher MCP centralizes all necessary cipher operations, from preparing plaintext and validating keys to performing the actual cipher operations and exploring unknown ciphertexts, making cryptographic tasks seamless for AI agents.
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