TokenOS Gas & Fee Tracker MCP Server

by tokenos Your server? Claim it

answering

TokenOS Gas & Fee Tracker is answering right now. Last checked 14 min ago. It exposes 3 tools.

Live fees on five chains

Uptime history 13 days of history · worst day 99%

13 days agonow

98.9%

Uptime 24h

90 of 91 checks

Tools

read from the server

368 ms

Response time

average over 24h

open, no key

Access

streamable-http

TokenOS Gas & Fee Tracker missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add gas-tracker --transport http https://tokenos.ai/api/mcp/apps/gas-tracker

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "gas-tracker": {
      "url": "https://tokenos.ai/api/mcp/apps/gas-tracker"
    }
  }
}

~/.codex/config.toml

[mcp_servers.gas-tracker]
url = "https://tokenos.ai/api/mcp/apps/gas-tracker"

.cursor/mcp.json

{
  "mcpServers": {
    "gas-tracker": {
      "url": "https://tokenos.ai/api/mcp/apps/gas-tracker"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "gas-tracker": {
      "url": "https://tokenos.ai/api/mcp/apps/gas-tracker"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

cheapest

cheapest_chain_to_deploy

Rank Ethereum, Base, Arbitrum, Robinhood Chain and Solana by the cost of deploying a contract or program of a given bytecode size.

estimate

estimate_tx_cost

Cost of one transaction on a chain at a speed tier, by transaction type (transfer, erc20_transfer, swap, nft_mint, deploy) or explicit gas / compute units.

gas

gas_now

Current fees on Ethereum, Base, Arbitrum, Robinhood Chain and Solana: base fee, slow/standard/fast tiers, USD cost per transaction type, trend and the cheapest chain.

Endpoints

URL	Transport	State	Latency	Checked
https://tokenos.ai/api/mcp/apps/gas-tracker	streamable-http	answering	531 ms	14 min ago

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TokenOS Gas & Fee Tracker — questions

Answers built from our own checks of this server.

What can TokenOS Gas & Fee Tracker do?

It exposes 3 tools, read directly from the server on our last check. Among them: cheapest_chain_to_deploy, estimate_tx_cost, gas_now. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is TokenOS Gas & Fee Tracker working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 90 of 91 checks got a reply (98.9%), average response time 368 ms. The bar chart above shows every period we have measured.

How do I connect TokenOS Gas & Fee Tracker?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does TokenOS Gas & Fee Tracker need an API key?

No. TokenOS Gas & Fee Tracker completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is TokenOS Gas & Fee Tracker?

It answers our handshake in 368 ms on average, which is faster than 35% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.