temporal_query
ActiveTool of Japan Public Ledgers MCP
declared in 0.1.0
Reconstruct what a ledger item (or items matching a query) officially said AS OF a past date T, by replaying the kept event history. Returns each item's point-in-time state plus an F-037 provenance receipt (observed_at = the state's effective time). existence:false with a first_seen receipt when the item did not yet exist at T; latest state with as_of_clamped:false when T is in the future. Read-only; price 0.0.
Parameters schema
{
"type": "object",
"required": [
"ledger",
"as_of"
],
"properties": {
"as_of": {
"type": "string",
"format": "date-time",
"description": "ISO-8601 point in time T."
},
"query": {
"type": "string",
"description": "Title substring to reconstruct every matching item (capped at 25). Use instead of item_id."
},
"ledger": {
"type": "string",
"description": "Ledger key (e.g. 'sanction', 'license', 'subsidy', 'recall', 'pharma', 'bid', 'grant', 'pubcom', 'ordinance', 'tos', 'realestate', 'landprice')."
},
"item_id": {
"type": "string",
"description": "Stable item id (single-item reconstruction)."
},
"jurisdiction": {
"type": "string",
"description": "Jurisdiction code (default 'jp')."
}
}
}No endpoints wrapped at confidence ≥ 0.70.
Parent server
Japan Public Ledgers MCP
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