Chain Check (x402)

Overview

Chain Check (x402) is a Model Context Protocol server that provides on-chain tools for blockchain analysis and monitoring. It includes wallet reports, contract scanning, token risk assessment, gas estimation, and address labels for USDC on Base, enabling AI assistants to interact directly with blockchain data and perform financial analysis tasks.

The server runs as a remote endpoint at https://chaincheck-api.netlify.app/mcp with no authentication required and no local installation needed. Version v1.0.0 is the current release. Simply point your MCP client to the endpoint to begin using the tools.

Chain Check (x402) appears in the Finance category on mcp.site and integrates with Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed, and other MCP clients. If you maintain this server, claim your listing to earn the Verified badge and ensure the information stays accurate.

Installation

Settings → Connectors → Add custom connector
Name: Chain Check (x402)
URL:  https://chaincheck-api.netlify.app/mcp