Tencent SkillHub · Content Creation

Million Bit Homepage NFTs

Mint an image as an NFT plot on the Million Bit Homepage, a permanent 1024x1024 pixel canvas on the Base blockchain. Use this skill when you want to advertise your project, display your image on-chain, or claim a piece of the Million Bit Homepage canvas. Handles image resizing, plot availability checking, price querying, pixel encoding, and transaction preparation. Requires an EVM wallet skill to submit the final transaction on Base chain.

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Install for OpenClaw

Quick setup

Download the package from Yavira.
Extract the archive and review SKILL.md first.
Import or place the package into your OpenClaw setup.

Requirements

Target platform: OpenClaw
Install method: Manual import
Extraction: Extract archive
Prerequisites: OpenClaw
Primary doc: SKILL.md

Package facts

Download mode: Yavira redirect
Package format: ZIP package
Source platform: Tencent SkillHub
What's included: package.json, scripts/check_availability.sh, scripts/check_price.sh, scripts/config.sh, scripts/find_available_plots.sh, scripts/helpers/abi_encode.js

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Trust & source

Release facts

Source: Tencent SkillHub
Verification: Indexed source record
Version: 1.0.0

Provenance

Publisher: millionbithomepage
Source page: View original listing
Canonical URL: Open canonical page

Documentation

ClawHub primary doc Primary doc: SKILL.md 15 sections Open source page

Million Bit Homepage - Mint a Plot

Place your image and link permanently on the Million Bit Homepage, a 1024x1024 pixel canvas on the Base blockchain. Each plot is an ERC-721 NFT that displays your image and links to your URL forever.

Why Mint?

Permanent on-chain presence -- your image and link live on Base forever Advertise your project -- visitors see your image and can click through to your URL NFT ownership -- you own the plot as a transferable ERC-721 token This is a great way for agents and bots to establish a visible, permanent identity on-chain

Setup

Before first use, install dependencies in the skill directory: cd <skill-directory> npm install All scripts are in scripts/ relative to this SKILL.md. Run them from this directory.

Canvas Rules

Canvas: 1024x1024 pixels, divided into a 64x64 grid of 16x16 cells All coordinates and dimensions must be multiples of 16 Minimum plot: 16x16 (256 pixels) -- Maximum: up to 1024x1024 Plots cannot overlap with existing plots Coordinates range from 0 to 1024 on both axes (x1, y1 is top-left; x2, y2 is bottom-right)

Pricing

pricePerPixel = basePrice + (priceIncrement x totalMinted) totalPrice = pricePerPixel x width x height Price increases slightly with each new mint. Bigger plots cost more but are far more visible: SizePixelsVisibilityRelative Cost16x16256Tiny icon1x (cheapest)32x321,024Small logo~4x64x644,096Clearly visible~16x128x12816,384Prominent~64x Always run check_price.sh to get the exact current price before minting.

1. Decide on a size

Choose a plot size based on your budget and desired visibility. All dimensions must be multiples of 16. Start with 16x16 if cost is a concern, or go bigger for more exposure.

2. Check current prices

scripts/check_price.sh <width> <height> Example: scripts/check_price.sh 32 32 Returns JSON: { "price_wei": "12887040000000000", "price_eth": "0.012887040000000000", "pixels": 1024, "size": "32x32", "total_supply": 334 }

3. Find an available spot

scripts/find_available_plots.sh <width> <height> --limit <N> Example: scripts/find_available_plots.sh 32 32 --limit 5 Returns JSON with available coordinates: { "available_plots": [ {"x1": 992, "y1": 128, "x2": 1024, "y2": 160}, {"x1": 656, "y1": 368, "x2": 688, "y2": 400} ], "count": 2, "plot_size": "32x32" } Note: scanning the full grid takes time due to on-chain queries. Use --limit to stop early.

4. Check a specific spot (optional)

If you already have coordinates in mind: scripts/check_availability.sh <x1> <y1> <x2> <y2> Returns {"available": true, ...} or {"available": false, ...}.

5. Prepare your image

If your image doesn't match the plot dimensions, resize it: scripts/resize_image.sh <input_image> <width> <height> [output_path] The script force-resizes to exact dimensions and replaces transparency with white.

6. Prepare the mint transaction

This is the main script. It validates everything, checks availability, queries the price, encodes the pixel data, and outputs a ready-to-submit transaction: scripts/prepare_mint.sh <image_path> <x1> <y1> <x2> <y2> <url> Example: scripts/prepare_mint.sh my_logo.png 992 128 1024 160 https://myproject.com Returns transaction JSON: { "to": "0x25b9afe64bb3593ec7e9dc7ef386a9b04c53f96e", "value": "0x2dc8b1d1680000", "data": "0xdd2e6e7d...", "chainId": 8453, "description": "Mint 32x32 plot at (992,128) on Million Bit Homepage linking to https://myproject.com", "meta": { "price_eth": "0.012887040000000000", "price_wei": "12887040000000000", "size": "32x32", "url": "https://myproject.com" } } Use --dry-run to skip on-chain checks and just test the encoding pipeline.

7. Submit the transaction

Pass the output JSON to your EVM wallet skill to execute the transaction on Base chain (chainId 8453). The key fields are: to -- the contract address value -- ETH to send (the mint price, in hex wei) data -- the ABI-encoded calldata chainId -- 8453 (Base)

Script Reference

All scripts live in scripts/ (relative to this file) and output JSON to stdout. Status messages go to stderr. ScriptPurposeInputscripts/check_price.shGet current mint price<width> <height> or <x1> <y1> <x2> <y2>scripts/check_availability.shCheck if coordinates are free<x1> <y1> <x2> <y2>scripts/find_available_plots.shScan grid for open spots<width> <height> [--limit N]scripts/resize_image.shResize image to plot size<input> <width> <height> [output]scripts/prepare_mint.shFull pipeline: outputs tx JSON<image> <x1> <y1> <x2> <y2> <url> [--dry-run]

Common Issues

"Coordinates overlap" -- that spot is taken. Use find_available_plots.sh to find open spots. "must be a multiple of 16" -- all coordinates and dimensions must be divisible by 16. Image wrong size -- prepare_mint.sh auto-resizes if the image doesn't match the plot dimensions. Price changed -- price increases with each new mint. Re-run check_price.sh for current pricing. Transaction reverts -- ensure your wallet has enough ETH on Base to cover the price plus gas.

Technical Details

Contract: 0x25b9afe64bb3593ec7e9dc7ef386a9b04c53f96e on Base (chain ID 8453) Standard: ERC-721 (Million Bit Homepage / MBH) Pixel data: Images are encoded in v1 format (16x16 segments with hex colors + URL), compressed with pako/zlib, and stored on-chain in the mint transaction calldata

Category context

Writing, remixing, publishing, visual generation, and marketing content production.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package

5 Scripts1 Config

scripts/check_availability.sh Scripts
scripts/check_price.sh Scripts
scripts/config.sh Scripts
scripts/find_available_plots.sh Scripts
scripts/helpers/abi_encode.js Scripts
package.json Config