Monitor current Ethereum gas prices (Slow/Standard/Fast/Instant tiers) with Gwei values and estimated confirmation times. Use when user asks about ETH gas pr...
编程
Gas Fee Tracker
试用Track live EVM gas fees across Ethereum, Base, Polygon, and Arbitrum using free public RPC endpoints with no API key required. Classifies current gas as low,...
它能做什么
Track live EVM gas fees across Ethereum, Base, Polygon, and Arbitrum using free public RPC endpoints with no API key required. Classifies current gas as low, medium, or high against configurable thresholds, logs snapshots to a JSONL history file over time, and supports threshold alerts for scripting into automations. Useful for crypto trading, defi, smart contract deployment, and passive income bots that need to time on-chain transactions to avoid overpaying for gas. Complements whale-tracking and defi yield-farming workflows by timing execution around cheap gas windows.
技能文档
Gas Fee Tracker
Live gas price snapshots across four EVM chains, using only free public RPC endpoints — no API key, no rate-limit signup required.
When to use this skill
- Timing a contract deployment or large transaction batch for a cheap gas window
- Building an automation that only executes a transaction when gas drops below a threshold
- Logging gas price history over time to spot patterns (e.g. daily/weekly cycles) before scheduling recurring on-chain jobs
How to use it
Snapshot all chains:
python3 scripts/gas_tracker.py
Single chain, JSON output for scripting:
python3 scripts/gas_tracker.py --chain ethereum --json
Append to a running history log:
python3 scripts/gas_tracker.py --log gas_history.jsonl
Use as a gate in an automation (exits 0 only if gas is at/below threshold):
python3 scripts/gas_tracker.py --chain base --alert-below 0.1 && echo "cheap gas, proceed"
Supported chains
Ethereum mainnet, Base, Polygon, Arbitrum One — each with its own low/high gwei thresholds tuned to that chain's typical range.
Limitations
- Reports the current
eth_gasPricelegacy gas price, not EIP-1559 base-fee/priority-fee breakdown or a predictive estimate of future blocks - Public RPC endpoints can occasionally rate-limit or time out; the script reports per-chain errors rather than failing the whole run
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