Check whether a real-world fact can be verified before an agent acts on it. **What it does:** business-exists claims are answered on the spot with a dated evidence bundle from public registries (GLEIF LEI records, SEC EDGAR filings, Wikidata, website liveness). Results report observed evidence with sources and an honest confidence — never a bare verdict. - **Free, no auth, no account.** All tools are read-only with no side effects — safe to call speculatively during planning. - `triage_unknowns`: batch every uncertainty in a task; each is classified as answerable-yourself (with a suggested source), verifiable here, or not determinable (with planning advice). - `plan_verification`: map a multi-step plan against which steps rest on checkable real-world facts. - `check_feasibility` / `confirm_before_purchase` / `check_before_relying` / `check_physical_condition`: check a fact before your task depends on it. **Scope limit, stated up front:** claims about individual people (identity, emp