What cryptographic library does it use?
It uses the Stanford Javascript Crypto Library (SJCL).
Tiny Cryptography MCP Server
@anton10xr
Basic information
About Tiny Cryptography MCP Server
Tiny MCP server with cryptography tools, sufficient to establish end-to-end encryption between LLM agents
Tiny Cryptography MCP Server config
No standard config provided
This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.
RepositoryTiny Cryptography MCP Server tools
Tool list not available yet
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Overview
What is Tiny Cryptography MCP Server?
A Model Context Protocol server built with Express.js that provides cryptographic tools including key pair generation, shared secret derivation, and message encryption/decryption. It is powered by the Stanford Javascript Crypto Library (SJCL) and is aimed at developers needing secure communication within MCP-based AI applications.
How to use Tiny Cryptography MCP Server?
Clone the repository, install dependencies with npm install, set the PORT environment variable (default: 3006), then run npm run dev for development or npm run build && npm start for production. Connect via GET /sse and send messages to POST /messages/:id. The server exposes four tools: generateKeyPair, deriveSharedSecret, encrypt, and decrypt.
Key features of Tiny Cryptography MCP Server
- Generate SJCL P-256 key pairs
- Derive shared secrets for secure communication
- Encrypt messages using SJCL AES-CCM
- Decrypt encrypted messages
- Server-sent events (SSE) for real-time communication
Use cases of Tiny Cryptography MCP Server
- Establishing encrypted channels between two AI agents to prevent eavesdropping
- Exchanging sensitive data securely within a multi-robot or multi-agent conversation
- Demonstrating end-to-end encryption workflows in MCP-based applications
Frequently asked questions
What algorithms are supported?
Key generation uses P-256 (ECDH), and message encryption/decryption uses AES-CCM via SJCL.
How do I install and run the server?
Clone the repo, run `npm install`, optionally set the `PORT` environment variable, then use `npm run dev` for development or `npm run build && npm start` for production.
What are the API endpoints?
`GET /sse` connects to the server via server-sent events, and `POST /messages/:id` sends messages to a specific connection.
What is the license?
The server is licensed under the MIT License.
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