Koskamo

paywall-mcp

A generic Lightning-paywall sidecar for any stdio MCP server that wraps an upstream, requires a paid invoice via NWC before forwarding priced tool calls, supporting per-tool pricing, replay protection, and audit logs.

Package and access

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

paywall-mcp logo, by llmops-proCommunity listingLocal stdioSource reviewed; not executedPublished by llmops-pro
Vendor documentation

What you can do with it

  • Charge sats for premium tools in an existing MCP server
  • Bundle and resell third-party MCP servers with a paywall
  • A/B test pricing by adjusting environment variables

Source and maintenance

Community listingRegistry 0.1.2
Maintenance checked

Packages and installation

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

paywall-mcp 0.1.2

npm
paywall-mcp package definition
{
  "version": "0.1.2",
  "transport": "stdio",
  "identifier": "paywall-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "PAYWALL_UPSTREAM_COMMAND",
      "isRequired": true,
      "description": "Command to spawn the upstream MCP server (e.g. npx)"
    },
    {
      "name": "PAYWALL_UPSTREAM_ARGS",
      "description": "JSON array of args for the upstream command"
    },
    {
      "name": "NWC_CONNECTION_STRING",
      "isRequired": true,
      "description": "NWC connection string of the receiving wallet (receive-only recommended)"
    },
    {
      "name": "PAYWALL_DEFAULT_PRICE_SATS",
      "description": "Default price in sats for tools not in PAYWALL_PRICE_MAP"
    },
    {
      "name": "PAYWALL_PRICE_MAP",
      "description": "JSON map of tool name to price in sats"
    }
  ]
}

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.

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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": {
    "paywall-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "paywall-mcp@0.1.2"
      ],
      "env": {
        "PAYWALL_UPSTREAM_COMMAND": "<YOUR_PAYWALL_UPSTREAM_COMMAND>",
        "PAYWALL_UPSTREAM_ARGS": "<YOUR_PAYWALL_UPSTREAM_ARGS>",
        "NWC_CONNECTION_STRING": "<YOUR_NWC_CONNECTION_STRING>",
        "PAYWALL_DEFAULT_PRICE_SATS": "<YOUR_PAYWALL_DEFAULT_PRICE_SATS>",
        "PAYWALL_PRICE_MAP": "<YOUR_PAYWALL_PRICE_MAP>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "paywall-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "paywall-mcp@0.1.2"
      ],
      "env": {
        "PAYWALL_UPSTREAM_COMMAND": "<YOUR_PAYWALL_UPSTREAM_COMMAND>",
        "PAYWALL_UPSTREAM_ARGS": "<YOUR_PAYWALL_UPSTREAM_ARGS>",
        "NWC_CONNECTION_STRING": "<YOUR_NWC_CONNECTION_STRING>",
        "PAYWALL_DEFAULT_PRICE_SATS": "<YOUR_PAYWALL_DEFAULT_PRICE_SATS>",
        "PAYWALL_PRICE_MAP": "<YOUR_PAYWALL_PRICE_MAP>"
      }
    }
  }
}

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": {
    "paywall-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "paywall-mcp@0.1.2"
      ],
      "env": {
        "PAYWALL_UPSTREAM_COMMAND": "<YOUR_PAYWALL_UPSTREAM_COMMAND>",
        "PAYWALL_UPSTREAM_ARGS": "<YOUR_PAYWALL_UPSTREAM_ARGS>",
        "NWC_CONNECTION_STRING": "<YOUR_NWC_CONNECTION_STRING>",
        "PAYWALL_DEFAULT_PRICE_SATS": "<YOUR_PAYWALL_DEFAULT_PRICE_SATS>",
        "PAYWALL_PRICE_MAP": "<YOUR_PAYWALL_PRICE_MAP>"
      }
    }
  }
}

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": {
    "paywall-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "paywall-mcp@0.1.2"
      ],
      "env": {
        "PAYWALL_UPSTREAM_COMMAND": "<YOUR_PAYWALL_UPSTREAM_COMMAND>",
        "PAYWALL_UPSTREAM_ARGS": "<YOUR_PAYWALL_UPSTREAM_ARGS>",
        "NWC_CONNECTION_STRING": "<YOUR_NWC_CONNECTION_STRING>",
        "PAYWALL_DEFAULT_PRICE_SATS": "<YOUR_PAYWALL_DEFAULT_PRICE_SATS>",
        "PAYWALL_PRICE_MAP": "<YOUR_PAYWALL_PRICE_MAP>"
      }
    }
  }
}

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