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MongoDB Sharded Cluster to MotherDuck integration

Replicate your MongoDB Sharded Cluster data into MotherDuck with Weld. Automatically replicate the tables you choose from MongoDB Sharded Cluster into MotherDuck, keeping your analytics layer up to date and ready for querying.

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4.8 on G2
MongoDB Sharded ClusterSource
WeldWeld
MotherDuckWarehouse
Weld · New sync
MongoDB Sharded ClusterSourceMongoDB Sharded ClusterConnected
Tables to sync

Your own tables, picked when you set up the sync.

  • Extract
  • Load
  • Keep in sync
MotherDuckDestinationMotherDuckReady
mongodb_sharded_cluster schema
  • mongodb_sharded_cluster.Synced
  • mongodb_sharded_cluster.Syncing
  • mongodb_sharded_cluster.Synced
  • mongodb_sharded_cluster.Synced

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How it works

How to set up MongoDB Sharded Cluster to MotherDuck in Weld.
In the app, with the API or an agent.

Setup guideAPI guideMCP docs
Weld · New MongoDB Sharded Cluster sync
MongoDB Sharded ClusterNew connectionMongoDB Sharded ClusterAuthorised
Connection namemongodb_sharded_cluster
AuthorizeOpens MongoDB Sharded Cluster to grant read access
Use cases

Why replicate MongoDB Sharded Cluster to MotherDuck?
Ready for analysis.

Centralizing your MongoDB Sharded Cluster data in MotherDuck lets you join it with other data sources for cross-platform analytics and deeper insights.

Build reliable dashboards and reports by querying MongoDB Sharded Cluster data directly in MotherDuck using SQL or your preferred BI tool.

Consolidate data from MongoDB Sharded Cluster alongside other databases and applications in a single database for a unified analytical layer.

  • Database replication for analytics

    Replicate your MongoDB Sharded Cluster production data to MotherDuck without impacting database performance. Query historical data without load on your primary database.

  • Centralized data warehouse

    Bring MongoDB Sharded Cluster data into MotherDuck alongside other sources to create a single source of truth for your organization.

  • Automated reporting

    Replace manual exports and spreadsheet-based reporting with automated pipelines from MongoDB Sharded Cluster to MotherDuck. Connect BI tools like Looker, Metabase, or Power BI.

Data

What data can you replicate?
From MongoDB Sharded Cluster to MotherDuck.

Weld syncs the objects the MongoDB Sharded Cluster connector exposes into MotherDuck, and you choose which tables and fields to include. The connector's docs list what is available.

    Weld MCP server

    Ask your agent.
    It queries MotherDuck for you.

    Connect Claude, Cursor, ChatGPT or your own agent to Weld over MCP. It reads the MongoDB Sharded Cluster context, finds the tables it needs and runs the query in MotherDuck.

    Set up the MCP serverClaudeCursorChatGPTGemini
    Claude CodeOpus 5
    >

    Which MongoDB Sharded Cluster tables do we have in MotherDuck, and which is the largest?

    Looking up what Weld has synced from MongoDB Sharded Cluster.

    ●weld·search_available_references
    ⎿raw.mongodb_sharded_cluster.*
    tables, columns and freshness
    ●weld·get_reference_schema
    ⎿columns, types and nullability
    ●weld·run_query
    ⎿select count(*) from {{raw.mongodb_sharded_cluster.…}}
    submitted
    ●weld·get_query_status
    ⎿DONE
    ●weld·get_query_result
    ⎿rows returned
    ✓Answered from MongoDB Sharded Cluster data in MotherDuck
    >Ask about your MongoDB Sharded Cluster data
    Under the hood

    Technical considerations.
    What to expect.

    Incremental syncing
    Weld uses incremental syncing where supported by the MongoDB Sharded Cluster API, loading only new and updated records to minimize data transfer and warehouse costs.
    Change data capture
    For MongoDB Sharded Cluster, Weld can use log-based replication (CDC) to capture inserts, updates, and deletes without querying the entire table on every sync.
    Schema handling
    Weld automatically manages schema changes. If MongoDB Sharded Cluster adds new fields, they're detected and added to the corresponding MotherDuck tables.
    Data freshness
    Sync frequency depends on your Weld plan. Most connectors support schedules from every 5 minutes up to daily intervals.
    Security
    All data is encrypted in transit (TLS) and at rest. Weld is SOC 2 Type II compliant and supports IP whitelisting for database connections.
    Resources

    Keep reading.
    Guides, docs and schema.

    Documentation

    MongoDB Sharded Cluster setup guide

    How to connect MongoDB Sharded Cluster to Weld, step by step.

    Documentation

    MotherDuck setup guide

    How to connect MotherDuck to Weld, step by step.

    Connector

    MongoDB Sharded Cluster connector

    Everything Weld does with MongoDB Sharded Cluster.

    Connector

    MotherDuck connector

    Everything Weld does with MotherDuck.

    FAQ

    Common questions.
    About MongoDB Sharded Cluster to MotherDuck.

    Start syncing MongoDB Sharded Cluster to MotherDuck.

    Set up your MongoDB Sharded Cluster data pipeline in minutes. No credit card required. Free for 14 days.

    MongoDB Sharded ClusterSource
    WeldWeld
    MotherDuckWarehouse
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    Related

    Related integrations.
    More with MongoDB Sharded Cluster and MotherDuck.

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