pay-mcp MCP

An MCP server providing a complete x402 payment stack for AI agents on the Base network. It enables direct USDC payments, metered tabs, x402 paywalls, service discovery, and wallet management. It integrates with clients like Claude Desktop, Cursor, and VS Code, automatically generating and storing wallets in the OS keychain.

Package and access

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

Community listingLocal stdioSource reviewed; not executedPublished by pay-skill

Vendor documentation

What you can do with it

Send direct USDC payments from AI agents
Manage metered tabs for pay-per-call services
Discover paid API services by keyword
Register webhooks for payment events

Source and maintenance

Community listingRegistry 0.2.8

mcp-registry: io.github.pay-skill/pay-mcp@0.2.8 Source repository

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

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

@pay-skill/mcp 0.2.8

npm

@pay-skill/mcp package definition

{
  "version": "0.2.8",
  "transport": "stdio",
  "identifier": "@pay-skill/mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "PAYSKILL_SIGNER_KEY",
      "format": "string",
      "description": "Private key hex for importing an existing wallet (optional — generates new wallet if not set)"
    },
    {
      "name": "PAY_NETWORK",
      "format": "string",
      "description": "Network to use: mainnet or testnet (default: mainnet)"
    }
  ]
}

Tools

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

No tool definitions available.

Connect from your client

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

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

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

Cursor configuration

{
  "mcpServers": {
    "pay-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pay-skill/mcp@0.2.8"
      ],
      "env": {
        "PAYSKILL_SIGNER_KEY": "<YOUR_PAYSKILL_SIGNER_KEY>",
        "PAY_NETWORK": "<YOUR_PAY_NETWORK>"
      }
    }
  }
}

Cline

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

Cline configuration

{
  "mcpServers": {
    "pay-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pay-skill/mcp@0.2.8"
      ],
      "env": {
        "PAYSKILL_SIGNER_KEY": "<YOUR_PAYSKILL_SIGNER_KEY>",
        "PAY_NETWORK": "<YOUR_PAY_NETWORK>"
      }
    }
  }
}

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": {
    "pay-mcp-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pay-skill/mcp@0.2.8"
      ],
      "env": {
        "PAYSKILL_SIGNER_KEY": "<YOUR_PAYSKILL_SIGNER_KEY>",
        "PAY_NETWORK": "<YOUR_PAY_NETWORK>"
      }
    }
  }
}

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": {
    "pay-mcp-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@pay-skill/mcp@0.2.8"
      ],
      "env": {
        "PAYSKILL_SIGNER_KEY": "<YOUR_PAYSKILL_SIGNER_KEY>",
        "PAY_NETWORK": "<YOUR_PAY_NETWORK>"
      }
    }
  }
}

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