Cryptography

MCP server exposing cryptography library functionality.

PyPI Python Ruff

mcp-name: io.github.daedalus/mcp-cryptography

Install

pip install mcp-cryptography

Usage

from mcp_cryptography import mcp

# Run the MCP server
if __name__ == "__main__":
    mcp.run()

Available Tools

The server provides the following cryptographic tools:

Key Generation

• generate_symmetric_key - Generate a Fernet symmetric key
• generate_rsa_key - Generate an RSA key pair
• generate_x25519_key - Generate an X25519 key pair

Symmetric Encryption

• fernet_encrypt / fernet_decrypt - Fernet encryption
• aes_encrypt / aes_decrypt - AES encryption (CBC/GCM modes)

Asymmetric Encryption

• rsa_encrypt / rsa_decrypt - RSA OAEP encryption
• rsa_sign / rsa_verify - RSA digital signatures

Hashing

• hash_sha256 - SHA-256 hash
• hash_sha512 - SHA-512 hash
• hash_sha1 - SHA-1 hash

HMAC

• hmac_sign - Generate HMAC
• hmac_verify - Verify HMAC

Key Derivation

• pbkdf2_derive - PBKDF2 key derivation
• scrypt_derive - Scrypt key derivation

X.509 Certificates

• generate_self_signed_cert - Generate self-signed certificate
• parse_certificate - Parse X.509 certificate

Utilities

• generate_random_bytes - Generate random bytes
• generate_random_base64 - Generate random base64 bytes

Development

git clone https://github.com/daedalus/mcp-cryptography.git
cd mcp-cryptography
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mcp_cryptography src/