Supported Balatro scoring and exact small-deck play/discard analysis with verified explanations.
Connect Remote server
claude mcp add --transport http balatro-lab https://balatro.fantasysolvers.com/mcp
{
"mcpServers": {
"balatro-lab": {
"url": "https://balatro.fantasysolvers.com/mcp"
}
}
}
{
"servers": {
"balatro-lab": {
"type": "http",
"url": "https://balatro.fantasysolvers.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://balatro.fantasysolvers.com/mcp
Tools 4 found in our last check
evaluate_handVersioned optimized immediate score from bengine-core. Played and held order is optimized, not evaluated literally. Unsupported effects are rejected.
recommend_actionExact 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_actionsCompare 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_capabilitiesEngine/rules/build identity, contract version, supported effects, assumptions and limits.
Details
| Endpoint | https://balatro.fantasysolvers.com/mcp (Streamable HTTP) |
| First published | 14 Oct 2026 |
| Last updated | 14 Oct 2026 |
| Registry name | com.fantasysolvers.balatro/balatro-lab |
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