UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypt

Overview

UnFee is an MCP server providing flat-rate access to Base, Ethereum, and XRP Ledger RPC endpoints. Each standard call costs 1 credit, including eth_getLogs queries. The server includes an x402 wash filter to identify suspicious transaction patterns and generates CSV exports with 0% checkout fees and no tax complications for developers managing blockchain data.

This is a remote-hosted MCP server; connect your client directly to https://unfee.xyz/mcp with no local installation required. Version 1.5.0 is the latest release. Authentication is not needed to get started.

UnFee belongs in the Development category on mcp.site and works with MCP clients including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and others. If you maintain this server, claim the listing to verify ownership, earn the Verified badge, and ensure the information stays accurate.

Installation

Settings → Connectors → Add custom connector
Name: UnFee — 1-Credit Base/ETH/XRPL RPC, x402 Trace & Wash Filter, 0% Crypt
URL:  https://unfee.xyz/mcp