{"data":{"name":"com.nythosx.tools/agent-tools","title":"NythosX Agent Tools","description":"Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. Pay per call, x402.","version":"1.0.0","websiteUrl":"https://tools.nythosx.com/","repositoryUrl":null,"remotes":[{"url":"https://tools.nythosx.com/mcp","type":"streamable-http"}],"packages":[],"status":"active","isLatest":true,"publishedAt":"2026-10-21T04:04:08.875Z","updatedAt":"2026-10-21T04:04:08.875Z","source":"official-registry","verification":"official","confidence":100,"stars":null,"sources":[{"stars":null,"title":"NythosX Agent Tools","source":"official-registry","sourceId":"com.nythosx.tools/agent-tools","updatedAt":"2026-10-21T04:04:08.875Z","confidence":100,"websiteUrl":"https://tools.nythosx.com/","description":"Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. Pay per call, x402.","verification":"official","repositoryUrl":null}],"toolIndex":{"tools":[{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"check_url_status","title":null,"description":"Check if a URL is reachable before paying to read it. HEAD request following up to five redirects: status code, final URL, content-type, content-length and last-modified — no page body fetched or charged for content. Use before read_url_as_markdown ($0.003) to confirm a URL resolves and is HTML before paying the bigger fee for extraction. Doesn't check robots.txt (that's enforced on the actual read). Some servers reject HEAD (405/403) even though GET works, so a non-2xx here doesn't guarantee read_url_as_markdown will also fail. Costs $0.001 USDC per call (x402).","inputSchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"Public http(s) URL to check"}},"required":["url"],"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"8b0224781e426791c00656d725d9048bb03da37e026e6df9c4661f9fe14f2c74","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"compare_gas_costs","title":null,"description":"Where is it cheapest to send this transaction right now?. Ranks all 6 supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) by USD cost for a transaction type (transfer, USDC transfer or swap) at a speed tier (slow/standard/fast). Returns the ranking, the cheapest chain, and any chains queried in parallel that didn't respond (in failed[]). Costs $0.005 USDC per call (x402).","inputSchema":{"type":"object","properties":{"tx":{"type":"string","enum":["transfer","usdc_transfer","swap"],"default":"transfer","description":"Transaction type"},"tier":{"type":"string","enum":["slow","standard","fast"],"default":"standard","description":"Speed tier"}},"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"618973a89731b6e056d7998d030a01c4054d75f27e05fe862886f48542a6fdf8","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"estimate_custom_tx_cost","title":null,"description":"USD cost of a custom gas limit or compute-unit budget. Prices an arbitrary transaction, not just the 3 canned types get_gas_price/compare_gas_costs cover: pass your own gas limit (EVM chains) or compute-unit budget (Solana) and get its USD cost at a speed tier. Use this for a contract call, NFT mint or any tx whose gas usage you already know or estimated via eth_estimateGas/simulation — get_gas_price's 3 canned tx types won't fit it. Typical EVM units: 21,000 plain transfer, 50,000-65,000 ERC20 transfer, 100,000-250,000 typical contract call/NFT mint, 150,000-400,000 DEX swap; typical Solana compute units: 200,000 simple transfer, up to 1,400,000 (the per-tx cap) for a complex instruction. Excludes OP-stack L1 data fee (depends on calldata size, not gas limit) — add a few % for Base/Optimism to be safe. Costs $0.002 USDC per call (x402).","inputSchema":{"type":"object","properties":{"chain":{"type":"string","enum":["base","ethereum","arbitrum","optimism","polygon","solana"],"description":"Chain to query"},"units":{"type":"integer","exclusiveMinimum":0,"description":"Gas limit (EVM) or compute units (Solana)"},"tier":{"type":"string","enum":["slow","standard","fast"],"default":"standard","description":"Speed tier"}},"required":["chain","units"],"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"f7847d556f43ff5fef4b2c88996bbce93844637b04220808a5ef9ce3f4e02bdf","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"get_gas_price","title":null,"description":"Current gas/fee tiers and USD costs for one chain. Slow/standard/fast gas tiers and USD cost of a transfer, USDC transfer and swap, for Base, Ethereum, Arbitrum, Optimism, Polygon or Solana. Updated every 15s. Solana is compute-unit pricing, not gwei-style gas; the other 5 are EVM. Use for one chain's prices; use compare_gas_costs to rank all 6, or estimate_custom_tx_cost for a gas limit/compute budget outside the 3 canned tx types here. x402: 402 first, retry with PAYMENT-SIGNATURE (MCP: _meta[\"x402/payment\"]) — unpaid/failed calls are never charged. Costs $0.002 USDC per call (x402).","inputSchema":{"type":"object","properties":{"chain":{"type":"string","enum":["base","ethereum","arbitrum","optimism","polygon","solana"],"description":"Chain to query"}},"required":["chain"],"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"7d395063c88fa9e44355f8c5f3620ebc19758c9cbe2db5c6b4572302b12f31e4","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"get_native_token_price","title":null,"description":"USD price of a chain's native token, no gas data. Just the native-token USD price (ETH, POL or SOL), sourced from MEXC/Gate.io/Coinbase with the same price feed get_gas_price uses. Use this when you only need the asset price, not fees — get_gas_price and compare_gas_costs already return nativeUsd alongside gas data, so call this instead only to skip the gas lookup (e.g. valuing a wallet balance, not estimating a transaction). Costs $0.001 USDC per call (x402).","inputSchema":{"type":"object","properties":{"chain":{"type":"string","enum":["base","ethereum","arbitrum","optimism","polygon","solana"],"description":"Chain to query"}},"required":["chain"],"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"6b22f368fa085ceed0191630208baefdff36cfa60be4d41bf9e83c34af28d606","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"list_chains","title":null,"description":"List supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) and the gas-unit constants used by the paid tools (free). Always returns the full, unfiltered list of all 6 chains (no input/filter params). gasUnits.{transfer|usdc_transfer|swap} are plain integers: the gas units a typical transaction of that type costs on an EVM chain (evm) or in Solana compute units (svm) — multiply by the chain's current fee from get_gas_price to estimate USD cost yourself, or just call get_gas_price/compare_gas_costs which already does this.","inputSchema":{"type":"object","properties":{},"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"0d9b194bdafdccdf09c6236b48cb2ca323d657484bf9667755f56fff92aad677","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"},{"serverName":"com.nythosx.tools/agent-tools","endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","name":"read_url_as_markdown","title":null,"description":"Convert any web page into clean, readable Markdown. Fetches a public web page and returns clean Markdown: title, byline, site name, excerpt, word count and article body. Respects robots.txt, blocks private hosts, follows up to five redirects, caps the page at 3 MB. links=true adds outbound links. Not charged on failure: 403 if robots.txt disallows the path, 415 for non-HTML, 422 if no article text extracts, 502 on upstream error. Costs $0.003 USDC per call (x402).","inputSchema":{"type":"object","properties":{"url":{"type":"string","format":"uri","description":"Public http(s) URL to read"},"links":{"type":"boolean","default":false,"description":"Include outbound links (max 200)"}},"required":["url"],"additionalProperties":false,"$schema":"http://json-schema.org/draft-07/schema#"},"annotations":null,"definitionHash":"df932292495d12dfd7735bbba417562d316427ed1ed09e00a4184afc16db57e9","schemaStatus":"valid","origin":"official-registry","observedAt":"2026-10-29T23:46:32.282Z","metadataTrust":"untrusted"}],"endpoints":[{"endpointFingerprint":"b50b038361faf7cad78c00f8f319fc7fe601f2dc002b4f8ac4b75e4addc20583","protocol":"streamable-http","status":"indexed","toolCount":7,"observedAt":"2026-10-29T23:46:32.282Z"}],"authentication":"unknown"},"connectionConfigurations":{"status":"ready","authentication":"not embedded","clients":{"Claude Desktop":{"mcpServers":{"com.nythosx.tools/agent-tools":{"url":"https://tools.nythosx.com/mcp"}}},"Cursor":{"mcpServers":{"com.nythosx.tools/agent-tools":{"url":"https://tools.nythosx.com/mcp"}}},"VS Code":{"servers":{"com.nythosx.tools/agent-tools":{"type":"http","url":"https://tools.nythosx.com/mcp"}}}}},"resourceType":"mcp-server","callable":true,"runtime":{"callable":true,"protocols":["mcp"]},"interfaces":[{"protocol":"mcp","transport":"streamable-http","url":"https://tools.nythosx.com/mcp"}],"profile":{"apiVersion":"1","schemaVersion":"1","id":"mcp-server:com.nythosx.tools%2Fagent-tools","resourceType":"mcp-server","canonicalUrl":"https://www.agentsjunction.com/api/v1/servers/com.nythosx.tools%2Fagent-tools","name":"com.nythosx.tools/agent-tools","description":"Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. 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