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Fantasy Solvers – Balatro Lab

com.fantasysolvers.balatro/balatro-lab · v0.1.0

Supported Balatro scoring and exact small-deck play/discard analysis with verified explanations.

Connect Remote server

Terminal
claude mcp add --transport http balatro-lab https://balatro.fantasysolvers.com/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "balatro-lab": {
      "url": "https://balatro.fantasysolvers.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "balatro-lab": {
      "type": "http",
      "url": "https://balatro.fantasysolvers.com/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://balatro.fantasysolvers.com/mcp

Tools 4 found in our last check

  • evaluate_hand

    Versioned optimized immediate score from bengine-core. Played and held order is optimized, not evaluated literally. Unsupported effects are rejected.

  • recommend_action

    Exact small-deck mathematical action values under optimal continuation in the supported model, not estimated real-game success. Returns all optimal ties and fully reconciled draw explanations; no recommendation on incomplete jobs. No A2/full-deck sampling.

  • compare_actions

    Compare all immediate plays or exact small-deck play/discard values, with the same contract and validation as HTTP. Exact mode limits: 12 draw cards, two hands, two discards. Select explain_actions for particular branches.

  • get_solver_capabilities

    Engine/rules/build identity, contract version, supported effects, assumptions and limits.

Details

Endpointhttps://balatro.fantasysolvers.com/mcp (Streamable HTTP)
First published14 Oct 2026
Last updated14 Oct 2026
Registry namecom.fantasysolvers.balatro/balatro-lab

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