kevinbot-mcp

March 2, 2026 · View on GitHub

MCP server for the KevinBot x402 API. Gives Claude Code, Claude Desktop, and any MCP-compatible client access to 20 paid tools via automatic USDC micropayments on Base.

12 web/AI utility tools + 8 live crypto trading signal tools from a NostalgiaForInfinityX7 bot with 77% win rate.

Tools

Web & AI Utilities

Tool	Price	Description
`search`	$0.002	Web search via DuckDuckGo
`crawl`	$0.005	Crawl URL, extract content + links
`monitor`	$0.003	URL change detection
`extract_url`	$0.002	Fetch URL, return markdown + metadata
`email_validate`	$0.001	Email syntax + MX + disposable check
`dns_lookup`	$0.001	DNS record lookup
`qr_generate`	$0.001	Generate QR code
`html_to_markdown`	$0.001	Convert HTML to markdown
`summarize`	$0.005	AI-powered summarization
`seo_analyze`	$0.01	SEO score + issues
`code_review`	$0.005	AI code review
`extract_data`	$0.01	Structured data extraction

NFI Trading Signals (Live Bot)

Tool	Price	Description
`nfi_status`	$0.005	Open positions with real-time P&L
`nfi_profit`	$0.003	Win rate, drawdown, daily P&L
`nfi_performance`	$0.003	Per-pair profitability ranking
`nfi_signals`	$0.01	Active entry/exit signals
`nfi_pair_rank`	$0.01	Best/worst performing pairs
`nfi_market_regime`	$0.02	Bullish/bearish/neutral detection
`nfi_trade_history`	$0.01	Recent closed trades with details
`nfi_strategy_stats`	$0.02	Signal modes, exit reasons, risk metrics

Setup

You need a Base mainnet wallet with USDC. Export the private key.

Claude Desktop / Claude Code

Add to your MCP config (claude_desktop_config.json or .claude.json):

{
  "mcpServers": {
    "kevinbot": {
      "command": "npx",
      "args": ["@baitoxkevin/kevinbot-mcp"],
      "env": {
        "KEVINBOT_PRIVATE_KEY": "0xYOUR_PRIVATE_KEY"
      }
    }
  }
}

All tools use the x402 protocol. When you invoke a tool, the MCP server automatically signs a USDC micropayment on Base mainnet and includes it with the request. Payments are settled via the PayAI facilitator.

Price range: $0.001 - $0.02 per call

How It Works

You call a tool (e.g., search)
The MCP server sends a request to the KevinBot API
API returns 402 Payment Required with price
MCP server signs a gasless USDC transfer authorization (EIP-3009)
Retries with signed payment in the header
API verifies payment via facilitator and returns results
Total latency: ~400ms including payment settlement

API

Free endpoints (no payment needed):

GET /health - API status
GET /.well-known/agent-card.json - Service discovery
GET /.well-known/x402 - x402 payment info

License

MIT