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  <xs:element id="mdb_VestingOfEarlyExercisedStockOptionsNoncash" abstract="false" name="VestingOfEarlyExercisedStockOptionsNoncash" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" abstract="true" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardSharesAvailableforGrantRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_EffectiveIncomeTaxRateReconciliationOfficerCompensationInExcessOfOneMillionAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationOfficerCompensationInExcessOfOneMillionAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_FinanceLeaseInterestOnLeaseLiability" abstract="false" name="FinanceLeaseInterestOnLeaseLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_ComputerAndOfficeEquipmentMember" abstract="true" name="ComputerAndOfficeEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_RelatedPartyTransactionsPolicyPolicyTextBlock" abstract="false" name="RelatedPartyTransactionsPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="mdb_StockIssuedDuringPeriodSharesPerformanceStockAwardGross" abstract="false" name="StockIssuedDuringPeriodSharesPerformanceStockAwardGross" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="mdb_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_ChipHazardMember" abstract="true" name="ChipHazardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_WebsiteCostsMember" abstract="true" name="WebsiteCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_RevenueFromContractWithCustomerPaymentTerm" abstract="false" name="RevenueFromContractWithCustomerPaymentTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mdb_ShareBasedPaymentArrangementCashPaidForExerciseOfStockAppreciationRights" abstract="false" name="ShareBasedPaymentArrangementCashPaidForExerciseOfStockAppreciationRights" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_HopeCochranMember" abstract="true" name="HopeCochranMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_ContractWithCustomerLiabilityDeferredRevenuePercent" abstract="false" name="ContractWithCustomerLiabilityDeferredRevenuePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="mdb_OperatingLeasesAbstract" abstract="true" name="OperatingLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_NonMarketableSecuritiesMember" abstract="true" name="NonMarketableSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_ConvertibleNotesDue2024Member" abstract="true" name="ConvertibleNotesDue2024Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" abstract="false" name="DeferredTaxAssetFinanceAndOperatingLeaseLiabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_FinanceLeasesAbstract" abstract="true" name="FinanceLeasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_DebtSecuritiesAvailableForSaleUnrealizedLossNoncurrent" abstract="false" name="DebtSecuritiesAvailableForSaleUnrealizedLossNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_MongoDBAtlasRelatedMember" abstract="true" name="MongoDBAtlasRelatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_NumberofRevenueSources" abstract="false" name="NumberofRevenueSources" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mdb_CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" abstract="true" name="CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardDurationOfOfferingPeriods" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mdb_Over10StockholderMember" abstract="true" name="Over10StockholderMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="mdb_OptionIndexedToIssuersEquityCapPrice" abstract="false" name="OptionIndexedToIssuersEquityCapPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodAdjustmentsWeightedAverageGrantDateFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodAdjustmentsWeightedAverageGrantDateFairValue" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="mdb_DeferredTaxLiabilitiesConvertibleDebtInstruments" abstract="false" name="DeferredTaxLiabilitiesConvertibleDebtInstruments" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_GrainiteIncMember" abstract="true" name="GrainiteIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mdb_PaymentsToAcquireNonMarketableSecurities" abstract="false" name="PaymentsToAcquireNonMarketableSecurities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" abstract="true" name="ShareBasedCompensationArrangementbySharebasedPaymentAwardWeightedAverageRemainingContractualTermRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" abstract="false" name="DeferredTaxLiabilityFinanceAndOperatingLeaseRightOfUseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mdb_WeightedaveragediscountrateAbstract" abstract="true" name="WeightedaveragediscountrateAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_WeightedaverageremainingleasetermAbstract" abstract="true" name="WeightedaverageremainingleasetermAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mdb_OtherSubscriptionMember" abstract="true" name="OtherSubscriptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
</xs:schema>
