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NFT Metadata API

br0ski777/nft-metadata-x402

Pulls NFT metadata directly from blockchain contracts using contract address and token ID. You get back the token name, image URL, and trait attributes without manually parsing contract calls or hitting multiple endpoints. Runs as a remote server over SSE and uses x402 micropayments, so you pay per request instead of managing API keys or rate limits. Useful when you're building NFT tooling, portfolio trackers, or marketplace features and need quick metadata lookups without spinning up your own indexer. The repository is minimal with no README, so you're working from the server definition and endpoint alone.

tool
1
transport
SSE
last updated
May 16, 2026
View on GitHub

Tools

1 tools

Public tool metadata for what this MCP can expose to an agent.

crypto_get_nft_metadataUse this when you need to fetch metadata for a specific NFT by contract address and token ID. Returns full NFT details in JSON. 1. name: NFT token name 2. description: token description text 3. image3 params

Use this when you need to fetch metadata for a specific NFT by contract address and token ID. Returns full NFT details in JSON. 1. name: NFT token name 2. description: token description text 3. image

Parameters* required
chainstring
Blockchain: 'ethereum' or 'base' (default: ethereum)
contractstring
NFT contract address (e.g. 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D)
tokenIdstring
Token ID within the contract

Sponsors

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Readme

NFT Metadata API

MCP Server x402 License: MIT

NFT metadata lookup -- name, image, attributes, collection info from contract + token ID. Ethereum and Base. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "mcpServers": {
    "nft-metadata": {
      "url": "https://nft-metadata.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

curl -X POST "https://nft-metadata.api.klymax402.com/api/metadata" \
  -H "Content-Type: application/json" \
  -d '{"contract":"...","tokenId":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

View the full README on GitHub

Details

Repository
github.com/br0ski777/nft-metadata-x402
Website
github.com/Br0ski777/nft-metadata-x402
Category
Search & Web Crawling
Transport
SSE
Registry
MCP registry, active

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