Crypto Mcp

📝 Description

A Model Context Protocol (MCP) server for encrypting/decrypting/algorithm/hash.

📺 Demo

✨ Features

• [x] Support AES encryption and decryption (128 bits)
• Support mode: ECB, CBC, CFB, OFB, CTR
• Support padding mode: Pkcs7, Iso97971, AnsiX923, Iso10126, ZeroPadding, NoPadding.
• Support output format: base64, hex
• Support input format: base64, hex
• [x] Support MD5, SHA1, SHA256, SHA384, SHA512, SHA224 algorithm
• [x] Support DES encryption and decryption (64 bits)
• Support mode: ECB, CBC, CFB, OFB, CTR
• Support padding mode: Pkcs7, Iso97971, AnsiX923, Iso10126, ZeroPadding, NoPadding.
• [x] Support Base64 encode and decode
• [x] Support Hex encode and decode

🔮 Comming Soon

• [ ] Support more encryption and decryption algorithms

📦 Installation

Installing via Smithery

To install Crypto_MCP for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install @1595901624/crypto-mcp --client claude

Manual Installation

1. Clone the Repository

git clone https://github.com/1595901624/crypto-mcp.git

2. Install Dependencies

pnpm install

3. Build the Project

pnpm run build

4. Add to your Claude Desktop MCP settings file

{
   "mcpServers": {
    "crypto-mcp": {
      "command": "node",
      "args": ["path/to/crypto-mcp/build/index.js"],
      "disabled": false,
      "autoApprove": []
    }
  }
}

🔧 Usage

Available Tools

AES

• aes_encrypt: Encrypt text with AES

parameters:

• text: The text to encrypt (Required)
• key: The key to encrypt the text (optional, default is your-key-0123456)
• padding: The padding mode (optional, default is Pkcs7)
• outputFormat: The output format (optional, default is base64)
• iv: The initialization vector (optional, default is your-iv-01234567)
• mode: The mode to encrypt the text (optional, default is ECB)

• aes_decrypt: Decrypt text with AES

parameters:

• text: The text to decrypt (Required)
• key: The key to decrypt the text (optional, default is your-key-0123456)
• padding: The padding mode (optional, default is Pkcs7)
• inputFormat: The input format (optional, default is base64)
• iv: The initialization vector (optional, default is your-iv-01234567)
• mode: The mode to decrypt the text (optional, default is ECB)

Digest

• md5: Calculate MD5 hash of a string

parameters:

• input: The input string to hash (Required)

• sha1: Calculate SHA-1 hash of a string

parameters:

• input: The input string to hash (Required)

• sha256: Calculate SHA-256 hash of a string

parameters:

• input: The input string to hash (Required)

• sha384: Calculate SHA-384 hash of a string

parameters:

• input: The input string to hash (Required)

• sha512: Calculate SHA-512 hash of a string

parameters:

• input: The input string to hash (Required)

• sha224: Calculate SHA-224 hash of a string

parameters:

• input: The input string to hash (Required)

DES

• des_encrypt: Encrypt text with DES

parameters:

• text: The text to encrypt (Required)
• key: The key to encrypt the text (optional, default is your-key)
• padding: The padding mode (optional, default is Pkcs7)
• outputFormat: The output format (optional, default is base64)
• iv: The initialization vector (optional, default is your-iv-)
• mode: The mode to encrypt the text (optional, default is ECB)

• des_decrypt: Decrypt text with DES

parameters:

• text: The text to decrypt (Required)
• key: The key to decrypt the text (optional, default is your-key)
• padding: The padding mode (optional, default is Pkcs7)
• inputFormat: The input format (optional, default is base64)
• iv: The initialization vector (optional, default is your-iv-)
• mode: The mode to decrypt the text (optional, default is ECB)

Base64

• base64_encode: Encode text to base64

parameters:

• content: The text to encode (Required)

• base64_decode: Decode base64 to text

parameters:

• content: The base64 text to decode (Required)

Hex

• hex_encode: Encode text to hex

parameters:

• content: The text to encode (Required)

• hex_decode: Decode hex to text

parameters:

• content: The hex text to decode (Required)

📝 Development

# Install dependencies
npm install

# Build the project
npm run build

# Development with auto-rebuild
npm run watch

📝 License

This project is licensed under the MIT License. See the LICENSE file for details.