LocalPaid service

Rein MCP server

bugiiiii11/rein

Spend limits for AI agents that pay with x402: every paywall is policy-checked (per-call caps, budgets, human approval, kill switch) before a cent moves, with signed receipts.

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Source code Website

Install Rein in Claude Code

Claude Code
claude mcp add rein -- npx -y @reinconsole/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "rein": {
      "command": "npx",
      "args": [
        "-y",
        "@reinconsole/mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Rein MCP server do?

Spend limits for AI agents that pay with x402: every paywall is policy-checked (per-call caps, budgets, human approval, kill switch) before a cent moves, with signed receipts.

Is the Rein MCP server free?

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

Does Rein run locally or remotely?

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

How do I add Rein to Claude Code?

Run: claude mcp add rein -- npx -y @reinconsole/mcp

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