Paywall-mcp Server

Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.

Local serverstdio

What is the Paywall-mcp Server?

Paywall-mcp is an MCP integration. Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.

Packages and local setup

The published npm package is paywall-mcp, version 0.1.2. Its declared MCP transport is stdio.

The package declares PAYWALL_UPSTREAM_COMMAND (required): Command to spawn the upstream MCP server (e.g. npx); PAYWALL_UPSTREAM_ARGS: JSON array of args for the upstream command; NWC_CONNECTION_STRING (required): NWC connection string of the receiving wallet (receive-only recommended); PAYWALL_DEFAULT_PRICE_SATS: Default price in sats for tools not in PAYWALL_PRICE_MAP; PAYWALL_PRICE_MAP: JSON map of tool name to price in sats.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 0.1.2 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related developer tools MCP servers for tools that cover the same kind of work.

Configuration

VariableDescriptionRequired
PAYWALL_UPSTREAM_COMMANDCommand to spawn the upstream MCP server (e.g. npx)Yes
PAYWALL_UPSTREAM_ARGSJSON array of args for the upstream commandOptional
NWC_CONNECTION_STRINGNWC connection string of the receiving wallet (receive-only recommended)Yes
PAYWALL_DEFAULT_PRICE_SATSDefault price in sats for tools not in PAYWALL_PRICE_MAPOptional
PAYWALL_PRICE_MAPJSON map of tool name to price in satsOptional