How do I install io.github.daedalus/mcp-cryptography?

Clone io.github.daedalus/mcp-cryptography from https://github.com/daedalus/mcp-cryptography and configure it as an MCP server in your client (Claude Desktop, Cursor, or VS Code).

Is io.github.daedalus/mcp-cryptography open source?

Yes, io.github.daedalus/mcp-cryptography is open source under the MIT license. Source code is available at https://github.com/daedalus/mcp-cryptography.

What category does io.github.daedalus/mcp-cryptography belong to?

io.github.daedalus/mcp-cryptography is listed under Developer Tools MCP servers on MCPFind.

io.github.daedalus/mcp-cryptography — MCP Server for Developer Tools

mcp-cryptography

MCP server exposing cryptography library functionality.

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/

Set up in your AI client

AI clientOperating system

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json

{
  "mcpServers": {
    "io-github-daedalus-mcp-cryptography": {
      "command": "uvx",
      "args": [
        "mcp-cryptography"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Compatible MCP Clients

io.github.daedalus/mcp-cryptography works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.

Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.

VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.

Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.

Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

io.github.daedalus/mcp-cryptography