Paywall MCP Server
by llmops-proio.github.llmops-pro/paywall-mcpv0.1.2
Lightning-paywall sidecar: wraps any stdio MCP server, requires paid invoices before tool calls.
context tax
queued
security
queued
cold start
queued
freshness
Slowing4mo ago
Install Paywall MCP server
Install in Claude Code
claude mcp add paywall -e PAYWALL_UPSTREAM_COMMAND='<paywall-upstream-command>' -e NWC_CONNECTION_STRING='<nwc-connection-string>' -- npx -y paywall-mcpInstall in Cursor
{
"mcpServers": {
"paywall": {
"command": "npx",
"args": [
"-y",
"paywall-mcp"
],
"env": {
"PAYWALL_UPSTREAM_COMMAND": "<paywall-upstream-command>",
"NWC_CONNECTION_STRING": "<nwc-connection-string>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"paywall": {
"command": "npx",
"args": [
"-y",
"paywall-mcp"
],
"env": {
"PAYWALL_UPSTREAM_COMMAND": "<paywall-upstream-command>",
"NWC_CONNECTION_STRING": "<nwc-connection-string>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"paywall": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"paywall-mcp"
],
"env": {
"PAYWALL_UPSTREAM_COMMAND": "<paywall-upstream-command>",
"NWC_CONNECTION_STRING": "<nwc-connection-string>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"paywall": {
"command": "npx",
"args": [
"-y",
"paywall-mcp"
],
"env": {
"PAYWALL_UPSTREAM_COMMAND": "<paywall-upstream-command>",
"NWC_CONNECTION_STRING": "<nwc-connection-string>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PAYWALL_UPSTREAM_COMMAND | yes | — | Command to spawn the upstream MCP server (e.g. npx) |
| PAYWALL_UPSTREAM_ARGS | — | — | JSON array of args for the upstream command |
| NWC_CONNECTION_STRING | yes | yes | 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 |
Freshness
Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-06-15 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-12 · 4mo ago · official registry · v0.1.2
FAQ
›How do I install the Paywall MCP server in Claude Code?
Run: claude mcp add paywall -e PAYWALL_UPSTREAM_COMMAND='<paywall-upstream-command>' -e NWC_CONNECTION_STRING='<nwc-connection-string>' -- npx -y paywall-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Paywall require an API key?
Yes. It expects PAYWALL_UPSTREAM_COMMAND, NWC_CONNECTION_STRING, of which 1 is a secret.
›Can I use Paywall as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Paywall in the official MCP registry?
Yes, as io.github.llmops-pro/paywall-mcp.