NFT Mint Front-Run Protector

WHAT IT DOES

NFT Mint Front-Run Protector monitors the current page for NFT mint transaction initiation, detects when a user is about to mint, analyzes the mempool for front-running activity—including gas price spikes and pending transactions from other addresses targeting the same contract—and provides real-time warnings with recommended gas adjustments to help you avoid being front-run during NFT mints. The tool watches for suspicious activity in the public mempool and alerts you before you confirm your transaction.

WHERE IT RUNS

This tool works on any webpage that displays NFT minting information, including NFT project pages, minting dApps, marketplaces, and launchpad sites. It automatically detects contract addresses from page content and monitors the mempool through your connected wallet. The script runs on all websites as designated in its match patterns.

HOW TO USE

After installing the BotGentz extension, navigate to any NFT minting page. Click the NFT Mint Front-Run Protector icon in your browser toolbar or use the keyboard shortcut (Alt+F). The panel will open. Click "Connect Wallet" to connect your real EVM wallet extension—this enables gas price and network detection. Configure your gas buffer percentage, maximum recommended gas price, and refresh interval in the settings. Click "Detect Contract Address" to find the mint contract from the page. Click "Check Mempool" to scan for pending transactions targeting the same contract. If front-running activity is detected, you will see a warning with the number of pending transactions and a recommended gas adjustment. Enable "Start Monitoring" to automatically refresh mempool status at your configured interval. The panel displays current gas price, recommended gas with buffer, and any detected threats.

TECHNICAL SECTION — MEMPOOL ACTIVITY DETECTION AND GAS RECOMMENDATION

Unlike basic gas trackers that only show current prices, this tool uses a mempool activity detection and gas recommendation engine. It connects to your wallet to read current gas prices and network conditions, then queries the pending transaction pool via eth_getBlockByNumber("pending") and eth_getLogs RPC calls targeting the detected contract address. The engine analyzes the count of pending transactions, identifies patterns that suggest front-running activity (multiple pending transactions from different addresses targeting the same contract), and compares current gas prices against your configured thresholds. Based on the observed activity level and current gas conditions, it calculates a recommended gas price that includes a buffer above the current price to help your transaction compete with front-runners. If the recommended gas exceeds your maximum threshold or a high number of pending transactions is detected, the tool triggers clear warnings. This approach gives you actionable intelligence rather than just raw data.

THE PANEL

The panel is draggable anywhere on the screen and remembers its position per site. It can snap to the left, right, top, or bottom edges, or float freely. Collapse it to a small status indicator when you need more page visibility, and expand it again with a single click. Resize it vertically or horizontally to show more details. Press Escape to close the panel instantly. All settings (gas buffer, max gas, refresh interval, monitoring enabled) are saved globally and persist across sessions.

PLEASE NOTE

This tool requires the free BotGentz extension and a real EVM wallet extension already installed in your browser. EVM chains only—supports Ethereum Mainnet, Polygon, Arbitrum, and Optimism. Wallet connection is read-only; this tool never initiates transactions or signs messages. Cannot access private mempool data (e.g., Flashbots, private relays), cannot detect front-running attempts that are not visible in public mempool data, cannot read transaction simulation results without simulating the transaction itself, and cannot prevent transactions that are already signed and broadcast from being front-run. Always verify all details manually before confirming any mint transaction. Websites change their layouts frequently; scripts may need updates, and we work to keep them current but cannot guarantee uninterrupted operation.