cryptography plugins

4 tagged cryptography, measured the same way as everything else here.

claude-code-plugin

02

emiliaprotocol/emilia-protocol

Plugin Claude Code

Require a named human's signed approval before Claude does anything irreversible — money movement, destructive shell, external sends. High-risk tool calls are held until a person approves on their own device (Face ID / passkey), producing an offline-verifiable Trust Receipt. Fail-closed.

653 2d ago A tokens not measured original Apache-2.0

toolkit-mcp-server

03

cyanheads/toolkit-mcp-server

Plugin Claude Code

Fast developer utilities — random ID generation, QR codes, IP geolocation, hashing, and encoding — plus gated, fail-closed network and system diagnostics.

18 10d ago A tokens not measured original Apache-2.0

protect-mcp

04

VeritasActa/verify

Plugin Claude Code

Cedar policy enforcement + Ed25519 signed receipts for Claude Code tool calls. First cryptographic-governance plugin.

5 3mo ago A tokens not measured