search_rules

Find the rules that answer a question, using only rules in force on a date.

Input

Output

as_of, the version_in_effect on that date, the method used, and a list of passages. Each passage has:

• ref: where the passage starts, like core@1.4:419.4.
• rules: every rule number inside it, version-qualified.
• version, valid_from, valid_to (empty if still current).
• newer_version_exists: true when a later version has replaced this one.
• text: the rule text, from your local database.

The search is always the configuration measured as best: a date filter before ranking, with the Qwen3 embedder. Configurations that were tested and dropped are not offered.

Example

{ "question": "Can an effect play a gear directly to a battlefield?", "as_of": "2026-10-01" }

Errors

• as_of is before 2025-10-24: no datable version existed then.
• not a date: use YYYY-MM-DD.
• k out of range, or an empty question.
• database unreachable, Ollama unreachable, embedder check failed, database differs from data/corpus.json: see Claude Desktop.

How good is it?

The right rule is in the top 5 for 80% (95% interval 68 to 89%) of version-change questions and 63% of expert rulings. See Results.