Sell Magic cards across eBay, ManaPool, and TCGplayer with AI agents
US stock screener and research workspace for self-directed investors
Stage
Not given
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Founded
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Based in
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Pricing model
Freemium
Freemium
Pricing
Free tier with core features. Premium: $8/mo or $80/yr for sealed-deals board, arbitrage alerts, and higher price-alert headroom. Free shop with 10,000 listed-card allowance (soft limit).
Free plan includes one complete introductory AI Mode run with six one-time credits. Premium includes two hundred credits per calendar month. Final subscription prices and billing terms are shown before payment.
Key features
Real transaction-backed pricing from TCGplayer market data
Cross-marketplace price comparison
Sealed product expected value rankings
Portfolio tracking with cost basis and opportunity cost measurement
AI agent integration for marketplace listing
Daily price updates from completed sales
Card inventory import from ManaBox or TCGplayer export
Desktop card scanner for Mac and Windows
Stock screening with customizable filters
Inspect financial statements and company filings
Valuation analysis with explicit assumptions
AI-assisted analysis and research support
Portfolio tools and saved workspaces
Dated price history and market data
Ownership records and fund holdings
Alerts and export functionality
Thesis workspace for documenting investment cases
Stock Sense MCP connector integration
What makes it different
Uses real completed transaction prices instead of listing medians
Focuses on sealed product expected value as a financial asset
Transparent, publicly reviewed methodology
Affiliate revenue does not influence rankings or recommendations
Combines dated public filings with current market prices and transparent calculations in one workspace
Emphasizes maintaining transparency about data freshness and source attribution
Designed specifically to help test investment theses with evidence-based research
Supports challenging investment assumptions with AI assistance checked against underlying sources
Public company research is open and accessible without requiring an account
SpellBook Finance
US Stock Sense