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Mystic Forge

A unified MCP server for Magic: The Gathering. Card search, printing-accurate pricing, commander recommendations, deck reading, price tracking, deck simulation, and validation — all in one place. Connect via Claude Desktop or any MCP-compatible client.

Latest 2026-10-12 · v1.4.0
Moved to the MCP 2 SDK, with nothing to relearn

Now running on version 2 of the MCP SDK. All 46 tools, their inputs, answers and error messages are unchanged, and personal connector URLs and passphrases keep working — this keeps the server current as clients adopt newer protocol revisions. See full changelog for more.

full changelog →
Tool Groups
🃏 Scryfall
Search cards, find by name, or get a random card. Pricing resolves down to a specific set, collector number, and finish — including whole decklists priced at the printing written on each line. Pull full oracle text for a list of cards in one call.
scryfall_search scryfall_named scryfall_price scryfall_price_list scryfall_card_text scryfall_random
⚔️ EDHRec
Commander deck recommendations, top cards by theme or color, combo lookups, average decklists, and community salt scores.
edhrec_commander edhrec_recommendations edhrec_top_cards edhrec_combos edhrec_average_deck edhrec_salt
📚 Archidekt
Fetch public decks, browse a user's decklists, export decks, or generate Archidekt-importable lists with categories and labels.
archidekt_deck archidekt_user_decks archidekt_export format_archidekt
✅ Validation
Verify card names, deck size, color identity, and validate full Archidekt decks including categories.
validate_decklist validate_archidekt_deck
⚡ Commander Spellbook
Search for infinite combos and synergies from the Commander Spellbook database, with step-by-step instructions.
spellbook_combos spellbook_card_combos
📜 Rulings
Official Wizards of the Coast rulings for any card — interactions, edge cases, and errata.
scryfall_rulings
📚 Comprehensive Rules
The actual rulebook, on tap. Look up any rule by number or keyword — with its subrules and glossary entry — or full-text search the Comprehensive Rules. Refreshes itself when Wizards publishes a new set's rules.
rules_get rules_search
🃏 Precon Decks
Search and fetch preconstructed decklists from 2700+ official decks, with Archidekt export. Diff a precon against any deck, or see how the community actually upgrades it — which cards get cut, which get added, and how often.
precon_search precon_decklist precon_export precon_diff edhrec_precon_upgrade
📈 Price Watchlist
Track card prices over time. Create a list, add cards singly or in bulk, set targets, and get a push notification when one hits your number. Lists live behind a passphrase URL at mcp.kautiontape.com/mtg/w/ with price history, a bought toggle, and cloning.
watchlist_create watchlist_add watchlist_bulk_add watchlist_remove watchlist_list watchlist_view watchlist_report watchlist_history watchlist_clone price_history
🐟 Goldfish
Simulate opening hands and turns to measure a deck's speed and consistency. Seeded Monte Carlo runs with 95% confidence intervals, paired A/B comparisons that flag whether a difference is real, exact hypergeometric draw odds, and shareable HTML reports. Measures speed and consistency only — it cannot value interaction.
goldfish_annotate goldfish_run goldfish_ab goldfish_odds goldfish_report goldfish_start goldfish_step goldfish_state
Connection
MCP Endpoint
https://mcp.kautiontape.com/mtg/mcp

Quick Setup

Add to your Claude Desktop config (claude_desktop_config.json) under mcpServers: 

{
  "mcpServers": {
    "mystic-forge": {
      "url": "https://mcp.kautiontape.com/mtg/mcp"
    }
  }
}

No authentication required. All 44 tools are available through a single connection.