ProvenPaid
Check an x402 endpoint before your agent pays it: challenge validity and on-chain payer evidence.
Install
Run one of the commands below, then add the client config underneath.
Pythonuvx provenpaid-mcp
Client configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
mcpServers{
"mcpServers": {
"mcp-962": {
"command": "uvx",
"args": [
"provenpaid-mcp"
]
}
}
}
About this server
ProvenPaid is listed in the Web APIs category of the MCPNav directory. It is distributed as Python and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the ProvenPaid MCP server?
ProvenPaid is an MCP server by provenpaid. Check an x402 endpoint before your agent pays it: challenge validity and on-chain payer evidence.
How do I install ProvenPaid?
Install it with: uvx provenpaid-mcp. Then add the JSON config to your client's MCP settings and restart the client.
Is ProvenPaid free to use?
The MCP server itself is free to install. The source is public on https://github.com/justinsmithphd/provenpaid-mcp. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support ProvenPaid?
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.