44 tools for AI agents: Trends, SERP, SEO audits, screenshots, weather, FX, whois, RSS.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Documentation Overview
NanoTools — x402 pay-per-call API for AI agents
44 tools. No signup. No API keys. Pure x402 micropayments on Base mainnet.
Agents pay per call with USDC ($0.001–$0.03) via the x402 protocol — the HTTP 402 flow is fully automatic with any x402-capable client/wallet.
🔗 Discovery endpoints
| What | URL |
|---|---|
| Tool catalog for LLMs | https://nano.stacknodehost.com/llms.txt |
| OpenAPI 3 spec (x402 prices in extensions) | https://nano.stacknodehost.com/openapi.json |
| x402 discovery | https://nano.stacknodehost.com/.well-known/x402 |
| A2A agent card | https://nano.stacknodehost.com/.well-known/agent.json |
| Health | https://nano.stacknodehost.com/health |
🧰 Tool groups
- Trends & SERP — Google Trends (timeline, related queries, regions), Google SERP, Yandex SERP, wordstat regions
- SEO — meta audit, robots.txt audit, readability audit, IndexNow submit
- Chromium tools — page screenshot, page PDF, OG-image generation (real headless Chromium)
- Data — weather (open-meteo), FX rates (ECB), whois (RDAP), RSS parse
- Utilities — QR, JWT, cron parse, hash, uuid, base64, url encode, slug, datetime, ... ($0.001 tier)
💳 Payment
x402 ExactEvmScheme on Base (eip155:8453), payTo 0x4F568Bf0cE8537CBE7a0DAF1A43C955e0a648db9,
facilitator https://facilitator.openx402.ai. Prices are declared per-tool in the discovery endpoints
(x-price-usd extension in OpenAPI).
🚀 Quick start with any x402 client
Point your agent at any tool URL from llms.txt — the first call returns 402 with payment requirements,
the client signs USDC, retries with X-PAYMENT header and gets the result.
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Frequently Asked Questions about NanoTools
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CategoryFinance & Fintech
27Quality signal: Emerging · 27/100How this signal is calculated ▾
Server availabilityNot measured
Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.
Verified ownership8/20
Documentation & tools11/30
Adoption & activity1/15
Community engagement0/10
A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.
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