NFT collection floor price, volume, holders, rarity data. Ethereum and Base via Alchemy. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.
Nft Floor X402 is an MCP project maintained in the br0ski777/nft-floor-x402 repository. The maintainer describes its purpose as “NFT collection floor price, volume, holders, rarity data. Ethereum and Base via Alchemy. Pay-per-call via x402 (USDC on Base L2) -- no API key, no…”. Read the project documentation for the complete scope.
The maintainer’s configuration uses https://nft-floor.api.klymax402.com/mcp. Check the project’s account and authentication instructions when adding the endpoint to your client.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| floorPrice | - current floor price in ETH and USD |
| volume24h | - 24-hour trading volume in ETH and USD |
| totalSupply | - total tokens in the collection |
| holderCount | - number of unique holders |
| listedCount | - number of NFTs currently listed for sale |
| listedPercent | - percentage of supply listed |
| topTraitFloors | - floor prices broken down by top traits |
| rarityRank | - token's rarity rank within the collection (e.g. 142 out of 10000) |
| rarityScore | - computed rarity score |
| attributes | - array of token traits with name, value, frequency, and trait floor price |
| estimatedValue | - estimated value based on rarity and trait floors |
| nft_get_collection_data | |
| nft_get_token_rarity | |
| address | string |
| chain | string |
| tokenId | string |
{
"mcpServers": {
"nft-floor": {
"url": "https://nft-floor.api.klymax402.com/mcp"
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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