WebCrypt MCP Server: Install & Setup

Install WebCrypt in Claude Code

Claude Code

claude mcp add webcrypt -- npx -y webcrypt

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

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

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

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

caiovicentino/jev-risk-check-provider

Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow

Soboljem/transcribe-mcp

Transcribe audio/video and find dead air. Pay-per-call in USDC over x402 — no account, no key.

krax1337/mcp-server-zenmoney

ZenMoney (Дзен-мани) finance for AI agents: transactions, reports, budgets, debts

toll402/toll402

Pay-per-call tools for agents: 2,600+ APIs, OAuth connector; pay with x402 or card credits.

douglac/contaazul-mcp

Conta Azul ERP MCP — sales, customers, finance and NF-e via OAuth 2.0. Read + write, 35 tools.

martinPisacreta/textokit-mcp

17 pay-per-call x402 tools on Base: web reader, FX/crypto rates, Argentine data. Remote or npx.