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Agent Margin Router
Pay-per-call data & web tools for AI agents. x402 micropayments in USDC or USDT on Base (eip155:8453), $0.002–$0.05 per call, 3 free calls per wallet, no API key. Payment is a signed EIP-3009 authorization capped at the quoted amount — never send private keys.
Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T23:43:15Z, first seen 2026-09-11T18:20:54Z). Not self-submitted, not cached from a directory.
Measured card surface
| field | value |
|---|---|
| A2A endpoint | https://agent-margin-router-production.up.railway.app |
| card source | https://agent-margin-router-production.up.railway.app/.well-known/agent.json |
| protocolVersion | — |
| agent version | 0.6.0 |
| preferredTransport | — |
| provider | NovaNest |
| skills published | 51 |
| card hash (canonical) | 1ebb107325db9224 |
Interface URLs
| transport | URL |
|---|---|
| unspecified | https://agent-margin-router-production.up.railway.app |
Skills (from card)
| skill | description |
|---|---|
| Extract Clean | Clean page extraction from any public URL: title, meta description, main text, JSON-LD, language. Optional `schema` keeps only the listed top-level keys. Apify (JS-rendered) with direct-fetch fallback |
| Market Spread | Cross-exchange crypto spread from live tickers: gross spread, fees, modelled slippage, transfer cost and net edge in bps for a given trade size. Ticker/volume based (no full order book). Pay per call |
| Gas Fees | Live EIP-1559 gas fees (slow/standard/fast tiers) plus USD cost per transaction type (transfer, ERC-20 transfer, swap, NFT mint) for Base, Ethereum, Arbitrum, Optimism and Polygon. Aggregated from pub |
| Best Price | Best-price router: queries several independent gas-price sources in parallel, returns the cheapest quote and charges a configurable share of the savings (average - best) as commission. Response includ |
| Token Price | Multi-venue median spot price for any major crypto asset (Binance, Coinbase, Kraken, CoinGecko) with min/max, deviation and confidence score – one call instead of four. No API key. Pay per call with U |
| Wallet Balance | Native + stablecoin balances (ETH, USDC, USDT, DAI, WETH) of any EVM wallet with USD valuation, read directly from public RPC nodes on Base, Ethereum, Arbitrum, Optimism or Polygon. No API key. Pay pe |
| Web Search | Live web search results (title, URL, domain, snippet) for any query, key-less, region-aware. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet. |
| Email Validate | Validate an email address: RFC syntax, MX/A records via DNS-over-HTTPS, disposable and free-provider detection, role-account flag, deliverability score and verdict. Pay per call with USDC or USDT on B |
| DNS + WHOIS | DNS records (A, AAAA, MX, NS, TXT, CNAME, SOA, CAA) via DNS-over-HTTPS plus RDAP/WHOIS registration data (registrar, created/expires, status, nameservers, DNSSEC). Pay per call with USDC or USDT on Ba |
| PDF Text | Extract clean text (per page + full) and metadata from any public PDF URL up to 25 MB / 200 pages. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet. |
| SEO Check | On-page SEO audit of any URL: title, meta description, canonical, headings, images without alt, links, Open Graph, structured data, robots.txt/sitemap, prioritized issues and a 0-100 score with grade. |
| DeFi Yields | Live DeFi pool yields (APY, TVL, stablecoin flag) across 100+ chains and protocols from DefiLlama. Filter by chain, asset, project, minimum TVL; sorted by APY. Pay per call with USDC or USDT on Base v |
| Currency Convert | Fiat currency conversion with ECB reference rates (30+ currencies): amount, source currency, one or many targets. Returns rates, converted amounts and rate date. Pay per call with USDC or USDT on Base |
| Geo IP | IP geolocation for IPv4/IPv6: country, region, city, coordinates, timezone, ASN, ISP/org, EU flag, private-range detection. Pay per call with USDC or USDT on Base via x402. 3 free calls per wallet. |
| RSS Feed | Fetch and parse any RSS 2.0 or Atom feed into clean JSON: title, link, published date, author, summary, optional full text content and categories per item. Pay per call with USDC or USDT on Base via x |
| Crypto OHLCV | Historical OHLCV candles for any major crypto pair (Binance, Coinbase fallback): intervals 1m-1w, up to 500 candles, with period summary (high, low, volume, change %). Pay per call with USDC or USDT o |
showing first 16 of 51 published skills — full list in the linked card.json
Card-drift history
Watching this agent since 2026-09-11T18:20:54Z. Hash = SHA-256 (16 hex)
of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only
edits don't count as drift. Feed:
api/a2a-drift.json.
| when (UTC) | what | version | skills | hash was | hash now |
|---|---|---|---|---|---|
| 2026-09-17T21:10:47Z | changed | 0.6.0→0.6.0 | 50→51 | a88c202f68 | 1ebb107325 |
| 2026-09-17T17:43:11Z | changed | 0.6.0→0.6.0 | 39→50 | f660d51d4e | a88c202f68 |
| 2026-09-16T15:41:36Z | changed | 0.6.0→0.6.0 | 38→39 | acf25d0df1 | f660d51d4e |
| 2026-09-13T23:23:14Z | changed | 0.5.0→0.6.0 | 30→38 | 0dba963194 | acf25d0df1 |
| 2026-09-13T18:44:14Z | changed | 0.1.0→0.5.0 | 16→30 | 271135887f | 0dba963194 |
| 2026-09-11T22:53:42Z | changed | 0.1.0→0.1.0 | 16→16 | b76bf546cb | 271135887f |
Same host, MCP side
Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.
| MCP endpoint | grade | MCP OK | auth |
|---|---|---|---|
| https://agent-margin-router-production.up.railway.app/mcp | A | ✓ | open |
Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.