io.github.daedalus/mcp-cryptography

io.github.daedalus/mcp-cryptography

Exposes various cryptographic operations including key generation, symmetric/asymmetric encryption, hashing, and HMAC. Supports Fernet, AES, RSA, X.25519, and X.509 certificates.

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mcp-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/

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