Wren Pre-sign Check MCP Server: Install & Setup

Install Wren Pre-sign Check in Claude Code

Claude Code

claude mcp add --transport http wren-pre-sign-check https://wren-presign-check.wrenonbase.workers.dev/mcp

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

{
  "mcpServers": {
    "wren-pre-sign-check": {
      "url": "https://wren-presign-check.wrenonbase.workers.dev/mcp"
    }
  }
}

Check a tx, EIP-712 payload, text or Base token before your agent signs. Paid per call over x402.

Probably not entirely. The listing mentions pay-per-call, credits or a subscription. Check the provider for current pricing.

Remote. Hosted by the provider. You connect with a URL, nothing to install.

Run: claude mcp add --transport http wren-pre-sign-check https://wren-presign-check.wrenonbase.workers.dev/mcp

com.tazpal/x1-baas

Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.

Workspace369-LLC/workspace369-mcp

CRM, proposals, e-sign contracts, invoices, projects, time tracking and automations for client work.

Diogoup26/mcp-x402

Evidence-backed x402 web verification for AI agents, with auditable decisions for every condition.

Tamerlan0606/Dealfinder

x402 pay-per-call APIs over MCP, settled in USDC on Base for autonomous agents and developers.

Multi-DAC/x402

Agent-First Data Bazaar. 136 Tools for DeFi, Derivatives, Governance, Alpha & Utilities.

dev.workers.regnotes.workday-calendar/workday-calendar

Public holidays and business-day math (T+N, counts) for many countries; pay per call via x402