SchemaDrift A pinned tool's drift from the latest listing (1.60.0); both null for removed. An object with 6 fields. Fields changeMcpToolChangerequireddetected_atTimestamprequiredlisted_contract_sha256Sha256Hex or nullrequiredlisted_presentation_sha256Sha256Hex or nullrequiredpinned_contract_sha256Sha256Hexrequiredpinned_presentation_sha256Sha256Hexrequired