TokenOS Gas & Fee Tracker
Live fees on five chains
Should I use this
Quality & Safety
Findings (2)
- LOWTool 'gas_now' description lacks action verbin gas_now
- LOWTool 'cheapest_chain_to_deploy' description lacks action verbin cheapest_chain_to_deploy
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"gas-tracker": {
"url": "https://tokenos.ai/api/mcp/apps/gas-tracker"
}
}
}Remote endpoints
https://tokenos.ai/api/mcp/apps/gas-trackerstreamable-httpWhat it can do
Tool inventory
Tools (3)
🟢gas_now(chains, speed)
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.
Input Schema
{
"type": "object",
"properties": {
"chains": {
"type": "array",
"items": {
"type": "string",
"enum": [
"ethereum",
"base",
"arbitrum",
"robinhood",
"solana"
]
},
"description": "Subset of chains (default all)"
},
"speed": {
"type": "string",
"enum": [
"slow",
"standard",
"fast"
],
"description": "Tier used for the USD cost columns (default standard)"
}
}
}🟢estimate_tx_cost(chain, tx_type, gas_units, speed)
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.
Input Schema
{
"type": "object",
"properties": {
"chain": {
"type": "string",
"enum": [
"ethereum",
"base",
"arbitrum",
"robinhood",
"solana"
]
},
"tx_type": {
"type": "string",
"enum": [
"transfer",
"erc20_transfer",
"swap",
"nft_mint",
"deploy"
]
},
"gas_units": {
"type": "integer",
"description": "Override: gas units (EVM) or compute units (Solana)"
},
"speed": {
"type": "string",
"enum": [
"slow",
"standard",
"fast"
]
}
},
"required": [
"chain"
]
}🟢cheapest_chain_to_deploy(bytecode_kb, speed)
Rank Ethereum, Base, Arbitrum, Robinhood Chain and Solana by the cost of deploying a contract or program of a given bytecode size.
Input Schema
{
"type": "object",
"properties": {
"bytecode_kb": {
"type": "number",
"description": "Compiled bytecode size in KB (default 24)"
},
"speed": {
"type": "string",
"enum": [
"slow",
"standard",
"fast"
]
}
}
}Community
Evidence