How do I install Pop Pay?

Pop Pay is a local plugin. Install it using npm package: pop-pay and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Pop Pay need?

Pop Pay requires the following credentials or environment variables: POP_CDP_URL, POP_ALLOWED_CATEGORIES, POP_MAX_PER_TX, POP_MAX_DAILY, POP_GUARDRAIL_ENGINE. You can find setup instructions on the server detail page.

What AI apps work with Pop Pay?

Pop Pay uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Pop Pay MCP Server

by 100xPercent

Developer ToolsUse Caution4.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, no login, fully local.

About

Stop AI agents leaking your card or making hallucinated purchases. No SaaS, no login, fully local.

What You'll Need

Set these up before or after installing:

Chrome DevTools Protocol endpoint for credential injection (default: http://localhost:9222)Optional

Environment variable: POP_CDP_URL

JSON array of allowed vendor categories (e.g. '["aws","cloudflare"]')Optional

Environment variable: POP_ALLOWED_CATEGORIES

Per-transaction spending limit in USDOptional

Environment variable: POP_MAX_PER_TX

Daily spending limit in USDOptional

Environment variable: POP_MAX_DAILY

Guardrail engine: 'keyword' (offline, default) or 'llm' (requires API key)Optional

Environment variable: POP_GUARDRAIL_ENGINE

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-100xpercent-pop-pay": {
      "env": {
        "POP_CDP_URL": "your-pop-cdp-url-here",
        "POP_MAX_DAILY": "your-pop-max-daily-here",
        "POP_MAX_PER_TX": "your-pop-max-per-tx-here",
        "POP_GUARDRAIL_ENGINE": "your-pop-guardrail-engine-here",
        "POP_ALLOWED_CATEGORIES": "your-pop-allowed-categories-here"
      },
      "args": [
        "-y",
        "pop-pay",
        "launch-mcp"
      ],
      "command": "npx"
    }
  }
}

Security Report

4.5

Use Caution4.5High Risk

Valid MCP server (2 strong, 4 medium validity signals). 5 known CVEs in dependencies (1 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

5 files analyzed · 6 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

file_system

Check that this permission is expected for this type of plugin.

HTTP Network Access

Connects to external APIs or services over the internet.

env_vars

Check that this permission is expected for this type of plugin.

Shell Command Execution

Runs commands on your machine. Be cautious — only use if you trust this plugin.

network_websocket

Check that this permission is expected for this type of plugin.

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Pop Pay MCP Server

About

What You'll Need

How to Install

Security Report

Permissions Required

Findings (6)

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