WebCrypt MCP Server

by putervision Your server? Claim it

local only

WebCrypt MCP Server runs on your own machine — the client starts it, so there is no endpoint to ping. 3 783 installs a week from npm. Last commit 22 Aug 2026.

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

Installs per day peak 421 · avg 47 · -73% w/w

a month agotoday

3 783

Installs / week

npm · webcrypt

Stars

0 open issues

22 Aug 2026

Last commit

0 releases in 90 days

MIT

License

JavaScript

Nothing serious here today

Today is the operative word: we check WebCrypt MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add webcrypt -- npx -y webcrypt

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

[mcp_servers.webcrypt]
command = "npx"
args = ["-y", "webcrypt"]

.cursor/mcp.json

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

.vscode/mcp.json

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

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WebCrypt MCP Server — questions

Answers built from our own checks of this server.

Why is there no uptime for WebCrypt MCP Server?

WebCrypt MCP Server runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package webcrypt was installed 3 783 times last week.

How do I connect WebCrypt MCP Server?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls webcrypt straight from npm; nothing to host, nothing to sign up for.

How many people use WebCrypt MCP Server?

The npm package webcrypt was installed 3 783 times in the last week. Week over week that is -73%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is WebCrypt MCP Server open source?

Yes — it is published under the MIT licence, written in JavaScript and 28 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.