WebCrypt MCP Server

local MCP server

Installation

Terminal

claude mcp add webcrypt -- npx -y webcrypt

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "webcrypt": {
      "command": "npx",
      "args": [
        "-y",
        "webcrypt"
      ]
    }
  }
}

Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).

WebCrypt MCP Server is a local MCP server distributed as the npm package webcrypt.

Run: claude mcp add webcrypt -- npx -y webcrypt

Run: codex mcp add webcrypt -- npx -y webcrypt

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