Koskamo

PayStage MCP

An umbrella MCP server providing payment preflight checks, authorization watching, HIP-3 trade preflight, and velocity checks for Base Sepolia. It allows agents to evaluate payments, check for known drainers, enforce velocity caps, and verify payee allowlists before execution.

Package and access

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

PayStage MCP logo, by PayStageVendor evidenceLocal stdioSource reviewed; not executedOperated by PayStage
Vendor documentation

What you can do with it

  • Evaluate payment preflight for allowed payees
  • Check for known drainer addresses
  • Enforce velocity caps on transactions
  • Monitor authorization lists

Source and maintenance

Vendor evidenceRegistry 0.2.1
Maintenance checked

Packages and installation

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

@paystage/mcp 0.2.1

npm
@paystage/mcp package definition
{
  "version": "0.2.1",
  "transport": "stdio",
  "identifier": "@paystage/mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "PAYSTAGE_POLICY_PATH",
      "description": "Path to policy.json spending rules"
    },
    {
      "name": "PAYSTAGE_RPC_URL",
      "description": "Base RPC URL override"
    }
  ]
}

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": {
    "paystage-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/mcp@0.2.1"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
        "PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "paystage-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/mcp@0.2.1"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
        "PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
      }
    }
  }
}

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": {
    "paystage-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@paystage/mcp@0.2.1"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
        "PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
      }
    }
  }
}

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": {
    "paystage-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/mcp@0.2.1"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>",
        "PAYSTAGE_RPC_URL": "<YOUR_PAYSTAGE_RPC_URL>"
      }
    }
  }
}

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