Fizzl PayPal Guard MCP

An MCP server that wraps PayPal's Agent Toolkit with safety guards. It ensures refunds are only for the current customer, prevents double refunds on chargebacks, enforces daily limits, and requires owner approval for actions exceeding set thresholds.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by Fizzl

Vendor documentation

What you can do with it

Refund payments only for the customer in the conversation
Prevent refunds on payments with open chargebacks
Enforce daily refund limits and owner approval thresholds
Read payment details to verify ownership before action

Source and maintenance

Community listingRegistry 0.2.1MIT

mcp-registry: io.github.Fizzl13/paypal-guard@0.2.1 Source repository Project website

Last repository push: Nov 2, 2026, 2:05 PM UTC
Latest release: wallet-mcp-v0.17.1
Maintenance checked: Nov 2, 2026, 4:14 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

fizzl-paypal-guard-mcp 0.2.1

npm

fizzl-paypal-guard-mcp package definition

{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "fizzl-paypal-guard-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "PAYPAL_CLIENT_ID",
      "isRequired": true,
      "description": "Client ID of your PayPal REST app (developer.paypal.com)"
    },
    {
      "name": "PAYPAL_CLIENT_SECRET",
      "isRequired": true,
      "description": "Secret of your PayPal REST app"
    },
    {
      "name": "PAYPAL_ENVIRONMENT",
      "description": "SANDBOX (default) or PRODUCTION"
    },
    {
      "name": "LIMIT_REFUND",
      "description": "Most per refund without asking you (default 25.00)"
    },
    {
      "name": "LIMIT_REFUND_PER_DAY",
      "description": "Refunds a day in total (default 100.00)"
    },
    {
      "name": "LIMIT_REFUNDS_PER_DAY",
      "description": "Number of refunds a day (default 10)"
    },
    {
      "name": "LIMIT_CURRENCY",
      "description": "Currency of the limits (default USD)"
    },
    {
      "name": "GUARD_POLICY",
      "description": "Other rules as JSON, e.g. {\"dispute\":\"deny\",\"stop\":\"ask\"}"
    },
    {
      "name": "FIZZL_AGENT_KEY",
      "description": "Approvals in the Fizzl Agent Wallet (Telegram + dashboard): an agent key awk_… from wallet.fizzl.eu"
    },
    {
      "name": "TELEGRAM_BOT_TOKEN",
      "description": "Approvals through your own Telegram bot"
    },
    {
      "name": "TELEGRAM_CHAT_ID",
      "description": "Your Telegram chat id (approvals go only there)"
    },
    {
      "name": "APPROVAL_IN_CHAT",
      "description": "off to never ask in the chat app (MCP elicitation)"
    },
    {
      "name": "APPROVAL_MINUTES",
      "description": "How long you have to answer (default 10)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 2, 2026, 4:14 PM UTC · repository · passed · metadata changed · updated
Nov 2, 2026, 4:14 PM UTC · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "fizzl-paypal-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fizzl-paypal-guard-mcp@0.2.1"
      ],
      "env": {
        "PAYPAL_CLIENT_ID": "<YOUR_PAYPAL_CLIENT_ID>",
        "PAYPAL_CLIENT_SECRET": "<YOUR_PAYPAL_CLIENT_SECRET>",
        "PAYPAL_ENVIRONMENT": "<YOUR_PAYPAL_ENVIRONMENT>",
        "LIMIT_REFUND": "<YOUR_LIMIT_REFUND>",
        "LIMIT_REFUND_PER_DAY": "<YOUR_LIMIT_REFUND_PER_DAY>",
        "LIMIT_REFUNDS_PER_DAY": "<YOUR_LIMIT_REFUNDS_PER_DAY>",
        "LIMIT_CURRENCY": "<YOUR_LIMIT_CURRENCY>",
        "GUARD_POLICY": "<YOUR_GUARD_POLICY>",
        "FIZZL_AGENT_KEY": "<YOUR_FIZZL_AGENT_KEY>",
        "TELEGRAM_BOT_TOKEN": "<YOUR_TELEGRAM_BOT_TOKEN>",
        "TELEGRAM_CHAT_ID": "<YOUR_TELEGRAM_CHAT_ID>",
        "APPROVAL_IN_CHAT": "<YOUR_APPROVAL_IN_CHAT>",
        "APPROVAL_MINUTES": "<YOUR_APPROVAL_MINUTES>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "fizzl-paypal-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fizzl-paypal-guard-mcp@0.2.1"
      ],
      "env": {
        "PAYPAL_CLIENT_ID": "<YOUR_PAYPAL_CLIENT_ID>",
        "PAYPAL_CLIENT_SECRET": "<YOUR_PAYPAL_CLIENT_SECRET>",
        "PAYPAL_ENVIRONMENT": "<YOUR_PAYPAL_ENVIRONMENT>",
        "LIMIT_REFUND": "<YOUR_LIMIT_REFUND>",
        "LIMIT_REFUND_PER_DAY": "<YOUR_LIMIT_REFUND_PER_DAY>",
        "LIMIT_REFUNDS_PER_DAY": "<YOUR_LIMIT_REFUNDS_PER_DAY>",
        "LIMIT_CURRENCY": "<YOUR_LIMIT_CURRENCY>",
        "GUARD_POLICY": "<YOUR_GUARD_POLICY>",
        "FIZZL_AGENT_KEY": "<YOUR_FIZZL_AGENT_KEY>",
        "TELEGRAM_BOT_TOKEN": "<YOUR_TELEGRAM_BOT_TOKEN>",
        "TELEGRAM_CHAT_ID": "<YOUR_TELEGRAM_CHAT_ID>",
        "APPROVAL_IN_CHAT": "<YOUR_APPROVAL_IN_CHAT>",
        "APPROVAL_MINUTES": "<YOUR_APPROVAL_MINUTES>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "fizzl-paypal-guard-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "fizzl-paypal-guard-mcp@0.2.1"
      ],
      "env": {
        "PAYPAL_CLIENT_ID": "<YOUR_PAYPAL_CLIENT_ID>",
        "PAYPAL_CLIENT_SECRET": "<YOUR_PAYPAL_CLIENT_SECRET>",
        "PAYPAL_ENVIRONMENT": "<YOUR_PAYPAL_ENVIRONMENT>",
        "LIMIT_REFUND": "<YOUR_LIMIT_REFUND>",
        "LIMIT_REFUND_PER_DAY": "<YOUR_LIMIT_REFUND_PER_DAY>",
        "LIMIT_REFUNDS_PER_DAY": "<YOUR_LIMIT_REFUNDS_PER_DAY>",
        "LIMIT_CURRENCY": "<YOUR_LIMIT_CURRENCY>",
        "GUARD_POLICY": "<YOUR_GUARD_POLICY>",
        "FIZZL_AGENT_KEY": "<YOUR_FIZZL_AGENT_KEY>",
        "TELEGRAM_BOT_TOKEN": "<YOUR_TELEGRAM_BOT_TOKEN>",
        "TELEGRAM_CHAT_ID": "<YOUR_TELEGRAM_CHAT_ID>",
        "APPROVAL_IN_CHAT": "<YOUR_APPROVAL_IN_CHAT>",
        "APPROVAL_MINUTES": "<YOUR_APPROVAL_MINUTES>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "fizzl-paypal-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "fizzl-paypal-guard-mcp@0.2.1"
      ],
      "env": {
        "PAYPAL_CLIENT_ID": "<YOUR_PAYPAL_CLIENT_ID>",
        "PAYPAL_CLIENT_SECRET": "<YOUR_PAYPAL_CLIENT_SECRET>",
        "PAYPAL_ENVIRONMENT": "<YOUR_PAYPAL_ENVIRONMENT>",
        "LIMIT_REFUND": "<YOUR_LIMIT_REFUND>",
        "LIMIT_REFUND_PER_DAY": "<YOUR_LIMIT_REFUND_PER_DAY>",
        "LIMIT_REFUNDS_PER_DAY": "<YOUR_LIMIT_REFUNDS_PER_DAY>",
        "LIMIT_CURRENCY": "<YOUR_LIMIT_CURRENCY>",
        "GUARD_POLICY": "<YOUR_GUARD_POLICY>",
        "FIZZL_AGENT_KEY": "<YOUR_FIZZL_AGENT_KEY>",
        "TELEGRAM_BOT_TOKEN": "<YOUR_TELEGRAM_BOT_TOKEN>",
        "TELEGRAM_CHAT_ID": "<YOUR_TELEGRAM_CHAT_ID>",
        "APPROVAL_IN_CHAT": "<YOUR_APPROVAL_IN_CHAT>",
        "APPROVAL_MINUTES": "<YOUR_APPROVAL_MINUTES>"
      }
    }
  }
}

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