MCP For Claude Marketplace
Vigenère Cipher Engine

Vigenère Cipher Engine MCP Connector for Claude

A+

Deterministic Vigenère cipher encoder and decoder that preserves text formatting.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

This MCP server provides a deterministic engine for performing Vigenère encryption and decryption. It allows AI agents to transform text using a keyword while strictly maintaining original spaces, punctuation, and casing. The engine uses transform_text to process strings, validate_keyword to ensure keyword integrity, and get_cipher_summary to analyze keyword characteristics. It is designed to handle keyword repetition and modular arithmetic precisely, ensuring that non-alphabetic characters do not disrupt the cipher stream.

cipherencryptiondecryptionvigeneretext-tools

3 tools expose this connector's capabilities to your AI agent.

get_cipher_summary

Provides metadata about the strength and characteristics of a keyword

transform_text

Performs Vigenère encryption or decryption on the provided text using a keyword

validate_keyword

Validates if a keyword is suitable for the Vigenère cipher

See how to talk to your AI agent using Vigenère Cipher Engine.

Encode the text 'Hello World!' using the keyword 'KEY'.

Rijss Gspvh!

Decode 'Rijss Gspvh!' using the keyword 'KEY'.

Hello World!

Is the keyword '123' valid for the Vigenère cipher?

No, the keyword must consist entirely of alphabetic characters.

Yes, the `transform_text` tool preserves all spaces, punctuation, and casing from your original input.

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