CryptoCloset
An AI portfolio steward that connects your wallets and exchanges, tracks cost basis across chains, flags transactions exposed to known MEV or sandwich attacks, and produces tax-ready reports in 30 seconds.
Active retail crypto investors juggling multiple wallets, CEXs, and DeFi positions
- Auto-import of transactions from MetaMask, Coinbase, Uniswap, and major L2s with chain-level cost-basis tracking
- Risk scanner that flags past transactions exposed to known MEV, sandwich, or rug-pull patterns
- Country-specific tax form export for US, DE, and UK with FIFO/LIFO/specific-id methods
- P&L dashboard breaking down realized and unrealized gains by token, chain, and strategy
The trending MEV arbitrage repo (634 stars) shows retail users are chasing passive crypto income through automated tools; the same audience urgently needs a way to audit, track, and tax what those bots and trades actually do to their portfolio.
Crypto tax/portfolio tracking is a proven, large market — multiple 'best of 2025/2026' roundups list 6-12 actively used tools covering DeFi, multi-chain and staking, signaling sustained retail demand.Best Crypto Tax Software 2025: Top 6 Tools Reviewed ↗Crypto Portfolio Trackers: 11 Best Tested 2026 | CoinCodeCap ↗
Crowded space — Koinly, CoinTracker, TokenTax, Blockpit/Accointing, CoinLedger, plus dedicated MEV tools (Flashbots Protect, Eden, MEV Shield) already cover the individual jobs; no clear white-space for a combined retail 'steward' that isn't just bolting features onto existing trackers.CoinTracker vs Koinly 2026 | Subscription vs Per-Year Pricing Compared ↗DeFi MEV Protection 2026: Tools to Avoid Sandwich Attacks ↗
Clear paid SaaS precedent — Koinly charges per tax year and CoinTracker runs annual subscriptions for both tax and year-round tracking, with tiered pricing that retail users already accept.Tax Plans and Pricing | Koinly ↗CoinTracker vs Koinly 2026 | Subscription vs Per-Year Pricing Compared ↗
Tax reporting is a recurring annual need with sticky retention, and growing regulatory clarity (IRS, MiCA) plus rising MEV awareness support a multi-year runway.Best Crypto Tax Software 2025: I Tested 8 Tools (Only 3 Got My Taxes ...) ↗Top 8 MEV Protection Tools in 2026 | Quicknode ↗
Buildable but non-trivial — requires multi-chain indexer integrations, cost-basis/FIFO/LIFO engines, and on-chain MEV attribution (e.g., via the open mev-attack-detector rules); '30-second tax report' is marketing-speak over already-slow sync pipelines.MEV Attack Detector - GitHub ↗