io.github.100xPercent/pop-pay

io.github.100xPercent/pop-pay

Runtime security for AI agent commerce. CLI + MCP server blocks hallucinated purchases.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "pop-pay": {
      "command": "npx",
      "args": [
        "-y",
        "pop-pay@0.5.7"
      ],
      "env": {
        "POP_CDP_URL": "http://localhost:9222",
        "POP_ALLOWED_CATEGORIES": "[\"aws\",\"cloudflare\"]",
        "POP_MAX_PER_TX": "100.0",
        "POP_MAX_DAILY": "500.0",
        "POP_GUARDRAIL_ENGINE": "keyword"
      }
    }
  }
}
Environment variables
  • POP_CDP_URLChrome DevTools Protocol endpoint for credential injection (default: http://localhost:9222)
  • POP_ALLOWED_CATEGORIESJSON array of allowed vendor categories (e.g. '["aws","cloudflare"]')
  • POP_MAX_PER_TXPer-transaction spending limit in USD
  • POP_MAX_DAILYDaily spending limit in USD
  • POP_GUARDRAIL_ENGINEGuardrail engine: 'keyword' (offline, default) or 'llm' (requires API key)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.5.7
Registry
active
Published
4/13/2026

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