PipRail
MCP server piprail/piprail/io.github.piprail/mcp homepage
Budget-bound x402 payment wallet for AI agents — pays HTTP 402 URLs, capped locally. No backend.
claude mcp add piprail -- npx -y @piprail/mcpAssembled from the repository path, not quoted from the project. Check it against their README if it does not work.
One thing to look at
- 7 stars7 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.