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NythosX Agent Tools

by tools.nythosx.com · remote · no sign-in to list tools · v1.0.0 · published by com.nythosx.tools

Gas fees and USD tx costs on 6 chains, cheapest-chain ranking, URL to Markdown. Pay per call, x402.

Changes · 1
CompareRegistry entry

4 tools: 1 change things and 3 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http agent-tools https://tools.nythosx.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

4 tools

Changes things 1Claude Code: ask
  • read_url_as_markdownConvert any web page into clean, readable Markdown.No findings

    Why it is in this group

    • The name "read_url_as_markdown" says "read": a word for reading.
    • The description's first verb is "convert": a word for a change.
    Description, as the server wrote it
    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 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. Costs $0.003 USDC per call (x402).
Only reads 3Claude Code: allow
  • compare_gas_costsWhere is it cheapest to send this transaction right now?.No findings

    Why it is in this group

    • The name "compare_gas_costs" says "compare": a word for reading.
    Description, as the server wrote it
    Where is it cheapest to send this transaction right now?. 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. Costs $0.005 USDC per call (x402).
  • get_gas_priceCurrent gas and fee prices for one chain.No findings

    Why it is in this group

    • The name "get_gas_price" says "get": a word for reading.
    Description, as the server wrote it
    Current gas and fee prices for one chain. 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. Costs $0.002 USDC per call (x402).
  • list_chainsList supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) and the gas-unit constants used by the paid tools (free).No findings

    Why it is in this group

    • The name "list_chains" says "list": a word for reading.
    Description, as the server wrote it
    List supported chains (Base, Ethereum, Arbitrum, Optimism, Polygon, Solana) and the gas-unit constants used by the paid tools (free).

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http agent-tools https://tools.nythosx.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__agent-tools__list_chains",
      "mcp__agent-tools__get_gas_price",
      "mcp__agent-tools__compare_gas_costs"
    ],
    "ask": [
      "mcp__agent-tools__read_url_as_markdown"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as agent-tools. Review it before you use it.