{"name":"NythosX Agent Tools","description":"Pay-per-call tools for AI agents via x402: current gas and fee prices across six chains, and web page to Markdown conversion.","protocol":"x402","x402Version":2,"network":"eip155:8453","networks":["eip155:8453"],"testnet":false,"asset":"USDC","payTo":"0x803522D25f7B6f2E6Df006650CDc032e644057a2","openapi":"https://tools.nythosx.com/openapi.json","mcp":{"url":"https://tools.nythosx.com/mcp","transport":"streamable-http","payment":"x402 via _meta[\"x402/payment\"]"},"endpoints":[{"method":"GET","url":"https://tools.nythosx.com/v1/gas","price":"$0.002","summary":"Current gas and fee prices for one chain","description":"Current gas and fee prices for Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: slow/standard/fast tiers and the USD cost of a transfer, USDC transfer and swap. Updated every 15 seconds.","params":{"chain":{"type":"string","description":"Chain to query","enum":["base","ethereum","arbitrum","optimism","polygon","solana"],"required":true}},"example":{"chain":"base"}},{"method":"GET","url":"https://tools.nythosx.com/v1/gas/compare","price":"$0.005","summary":"Where is it cheapest to send this transaction right now?","description":"Ranks all supported chains by the USD cost of a specific transaction type (transfer, USDC transfer or swap) at a specific speed tier (slow, standard or fast). Returns the sorted ranking, the cheapest chain and any chains that could not be queried.","params":{"tx":{"type":"string","description":"Transaction type","enum":["transfer","usdc_transfer","swap"],"default":"transfer"},"tier":{"type":"string","description":"Speed tier","enum":["slow","standard","fast"],"default":"standard"}},"example":{"tx":"usdc_transfer","tier":"standard"}},{"method":"GET","url":"https://tools.nythosx.com/v1/read","price":"$0.003","summary":"Convert any web page into clean, readable Markdown","description":"Fetches a public web page and returns clean Markdown: title, byline, site name, excerpt, word count and the extracted article body. Use it to give an AI agent readable text from a URL without writing your own scraper. Respects robots.txt, blocks private hosts, follows at most five redirects, caps the page at 3 MB. Pass links=true to also get the page's outbound links.","params":{"url":{"type":"string","description":"Public http(s) URL to read","required":true},"links":{"type":"string","description":"Set to true to include the page's outbound links (max 200)","enum":["true","false"],"default":"false"}},"example":{"url":"https://example.com","links":"false"}}],"free":[{"method":"GET","url":"https://tools.nythosx.com/v1/chains","summary":"Supported chains and gas-unit constants"},{"method":"GET","url":"https://tools.nythosx.com/v1/sample?endpoint={gas|compare|read}","summary":"Free sample responses for paid endpoints"}],"disclaimer":"Informational data. Verify critical values before acting."}