NanoCrawl
MCP Server (Agent)

Tools

All MCP tools available to AI agents.

browse(url)

Pay for and retrieve content from a URL. Handles the full x402 payment flow automatically.

> browse https://shop-cannes.vercel.app/products/1
[proactive] Paid 0.002000 USDC | TX: a3f1b2c4-...

# Nike Air Max 90
**Price:** $129.99 | **Rating:** 4.5/5
...
  • Tries proactive flow first (1 HTTP request), falls back to reactive (2 requests)
  • Results are cached — browsing the same URL twice returns the cached content
  • Respects the session budget set via set_budget()

peek(url)

Check the price of a URL without paying.

> peek https://demo-chef.vercel.app/recipes/5
Price: 0.002 USDC
Network: eip155:5042002
Pay to: 0xfC2a...B566
Scheme: GatewayWalletBatched

Returns "This URL is free" if no payment is required.

get_balance()

Check wallet balances and session spending.

> get_balance
Wallet (on-chain): 18.994 USDC
Gateway available:  0.972 USDC
Gateway total:      0.972 USDC
Session spend:      0.003000 USDC
Budget remaining:   unlimited
Address: 0x2df7...Dc3E8
Chain:   arcTestnet

set_budget(max_usd)

Set a USDC spending cap for this session. browse() will refuse once the cap is reached.

> set_budget 0.05
Budget: 0.05 USDC | Spent: 0.003000 | Remaining: 0.047000 USDC

get_receipts()

List all payments made this session.

> get_receipts
3 payments | 0.005000 USDC total

1. https://demo-chef.vercel.app/recipes/3
   0.002000 USDC | TX: a3f1b2c4-... | 2026-04-05T10:30:00Z
2. https://shop-cannes.vercel.app/products/1
   0.002000 USDC | TX: b7e2d1f9-... | 2026-04-05T10:31:00Z
3. https://demo-hire.vercel.app/jobs/42
   0.001000 USDC | TX: c9a3e5b2-... | 2026-04-05T10:32:00Z

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