Chaink9 MCP server

ChainK9 MCP server

Token risk checks for AI agents on BNB Smart Chain, Ethereum and Base.

Most token scanners read flags from someone else's API. ChainK9 does what a buyer would: it forks the chain and really buys and sells the token through its market (PancakeSwap or Uniswap V2, V3 or V4, hooks included), then runs 60+ checks. A honeypot is caught by what it does, not by what its code looks like.

Each successful call is paid automatically in USDC on Base with the x402 protocol, from a wallet you choose. There is no account and no API key, and failed calls (bad input, not a token, no liquidity, engine busy) are free.

Tools

The tool list is read live from api.chaink9.com, so new products appear without updating this package.

Every tool takes chain: bsc (default), eth or base.

Setup

needs no ETH: x402 payments are signatures, and the payment service pays the gas.

1. Make a new wallet just for this and put a few dollars of USDC on Base in it. It

1. Add the server to your MCP client with that wallet's private key.

Claude Code:

claude mcp add chaink9 -e CHAINK9_PRIVATE_KEY=0x... -- npx -y chaink9-mcp

Cursor, Claude Desktop or any client with a JSON config:

{
  "mcpServers": {
    "chaink9": {
      "command": "npx",
      "args": ["-y", "chaink9-mcp"],
      "env": { "CHAINK9_PRIVATE_KEY": "0x..." }
    }
  }
}

Claude Desktop can also install the .mcpb bundle from the releases with a click.

Hosted server, no install

https://api.chaink9.com/mcp serves the same tools over streamable HTTP, plus a free verdict tool (the stored verdict and which checks flagged it). Paid tools there take the payment inside the MCP call, x402-style, so they need an x402-aware client such as @x402/mcp's createx402MCPClient. Ordinary MCP clients can connect and use verdict; to pay from those, use the package above.

Limits

Shortened. The full README is on GitHub.