不動産鑑定士が公開する白箱方式の土地査定OSS。MLIT取引データからヘドニック回帰係数を都度推定、業者用シート（係数全開示）と顧客用シートを生成。Claude Coworkerシリーズ。White-box AVM skill for Japanese land price assessment. Re-estimates hedonic coefficients on every run from MLIT transaction data, generating broker-side worksheets (full coefficient disclosure) and client-facing assessment reports (xlsx). Part of the Clau

Hedonic price index for Decentraland primary LAND sales with daily disaggregation

Explainable comparable-sales valuation for lenders. An AI agent that retrieves, scores, and adjusts comparable property sales to produce a conservative, defensible value with full reasoning. LLM normalizes input and explains; every number comes from a deterministic, tested engine.

Hedonic regression testing whether climate hazard exposure is priced into municipal bond yield spreads. Issuer fixed effects, clustered standard errors, specification table.