MCP MCP server · io.github.putervision
io.github.putervision/webcrypt
Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).
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WebCrypt is an MCP server exposing Web Crypto operations—AES-256-GCM, RSA-4096, post-quantum cryptography, and signatures—as tools for AI agents, with zero dependencies. It runs over stdio and advertises six core tools plus auto-setup for common AI coding environments.
Use it when you want an agent or JavaScript application to perform authenticated encryption and signing without pulling in third-party crypto libraries.
Use it to
- Encrypt and decrypt data with AES-256-GCM from an agent
- Generate and use RSA-4096 key pairs
- Sign and verify payloads
- Explore post-quantum cryptography operations
- Set up crypto tooling in supported IDEs and agent clients
For Developers building AI agents or JavaScript apps needing crypto
- Runs
- installed — on your machine
- Transport
- stdio
- Packaged as
- npm:webcrypt
- Install
- npx -y webcrypt
- Version
- 1.0.1
- Last release
- 2026-08-21
topicsmcpcryptographyweb-cryptoencryptionsignaturesai-agents