TunaPay TX Classifier

中文简介：TunaPay TX Classifier 是一个基于 MCP (Model Context Protocol) 的 Solana 链上交易分类微服务。 输入交易哈希，自动分析交易类型（转账、Swap、质押、NFT、DeFi 等），生成合规对账和税务分类草稿， 输出 CSV（兼容 TurboTax / CoinTracker）和 JSON 双格式。前 100 次免费，之后 $0.005 USDC/次（x402 协议，Base 链）。

A production-ready MCP microservice that classifies Solana on-chain transactions for tax reporting and compliance. Feed it a transaction hash, get back a structured classification with tax category, compliance flags, and an exportable CSV report.

Input:  5wHu...3xKq  (Solana tx signature)
Output: { type: "swap", tax_category: "capital_gain", usd_value_estimate: 1243.50, ... }
        + CSV download (TurboTax / CoinTracker compatible)

Features

• 7 transaction types: transfer, swap, stake, nft_trade, defi_interaction, token_mint, unknown

• 7 tax categories: income, capital_gain, capital_loss, gift, self_transfer, fee, not_taxable

• IRS-aligned: Notice 2014-21, Rev. Rul. 2023-14 (staking rewards)

• Compliance flags: large transfers (>$10k), DEX interactions, NFT trades, staking rewards, airdrops

• CSV exports: Full audit, CoinTracker format, TurboTax (Form 8949-compatible)

• MCP-native: JSON-RPC 2.0 over HTTP — works with Claude, GPT, Cursor, and any MCP client

• Freemium: First 100 calls free; paid via x402 (USDC on Base)

• Demo fallback: If RPC is unreachable, returns synthetic data clearly marked demo_mode: true

Related MCP server: taxformatter-mcp-server

Quick Start

1. MCP Configuration (Claude Desktop / Cursor)

{
  "mcpServers": {
    "tunapay-tx-classifier": {
      "url": "https://tunapay-tx-classifier.fly.dev/mcp"
    }
  }
}

Then ask your AI assistant:

"Classify Solana transaction 5wHuVGNbNEW9kSNYDhR9e5oU2F7CcgMH3eTJtpNR9oP"

2. REST API

curl -X POST https://tunapay-tx-classifier.fly.dev/api/v1/classify \
  -H "Content-Type: application/json" \
  -d '{"tx_hash": "5wHuVGNbNEW9kSNYDhR9e5oU2F7CcgMH3eTJtpNR9oP"}'

Deployment

fly launch --name tunapay-tx-classifier --region sjc
fly secrets set WALLET_ADDRESS=0xYourBaseChainAddress
fly secrets set ADMIN_API_KEY=$(python3 -c "import secrets; print(secrets.token_hex(32))")
fly deploy

License

MIT

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