Koskamo

PayStage Preflight MCP

Evaluates x402 PaymentRequired against a local spending policy before an agent pays, supporting scenarios like offline policy fixtures, auth-watch for unlimited approval, known-drainer payee checks, velocity caps, and amount limits.

Visit PayStage

Package and access

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

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

What you can do with it

  • Evaluate x402 PaymentRequired against local spending policy
  • Check for known-drainer payees
  • Enforce velocity caps and max amount limits
  • Review unknown payees not on allowlist

Source and maintenance

Vendor evidenceRegistry 0.1.0
mcp-registry: xyz.paystage/preflight@0.1.0Source repositoryProject website
Maintenance checked

Packages and installation

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

@paystage/preflight 0.1.0

npm
@paystage/preflight package definition
{
  "version": "0.1.0",
  "transport": "stdio",
  "identifier": "@paystage/preflight",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "PAYSTAGE_POLICY_PATH",
      "description": "Path to policy.json spending rules"
    }
  ]
}

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-preflight-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/preflight@0.1.0"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "paystage-preflight-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/preflight@0.1.0"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>"
      }
    }
  }
}

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-preflight-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@paystage/preflight@0.1.0"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>"
      }
    }
  }
}

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-preflight-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@paystage/preflight@0.1.0"
      ],
      "env": {
        "PAYSTAGE_POLICY_PATH": "<YOUR_PAYSTAGE_POLICY_PATH>"
      }
    }
  }
}

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