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@Query-farm

Query.Farm

We build with DuckDB. Extensions. Products. Consulting. Tools.

🚜 Query.Farm

We build with DuckDB — extensions, products, consulting, and tools.

🦆 DuckDB, Extended

Query.Farm is a product studio focused on extending DuckDB.

We write DuckDB extensions, build developer tools, and help teams embed DuckDB into modern data systems.

If you’re working with DuckDB, we can help you accomplish great things.

💼 What We Offer

🧩 DuckDB Extension Development

We build native DuckDB extensions in C++ and Rust — from custom functions and table sources to new file formats and catalogs.

If DuckDB doesn’t do it yet, we can make it happen.

🛠️ Tools & Products

We’re building software around DuckDB and Apache Arrow: libraries, connectors, developer utilities, and full-stack integrations.

Get in touch to learn more or ask about early access.

🧠 Expert Consulting

From performance tuning to production deployment, we help teams use DuckDB effectively — embedded, at the edge, or in the cloud.

Whether you’re starting fresh or scaling fast, we can guide the way.

👋 Let’s Talk

If you’re building with DuckDB — or want to — we’d love to help.

📬 hello@query.farm

🌾 About Query.Farm

We’re data people — database engineers, systems hackers, and DuckDB contributors focused on building powerful, lightweight solutions.

We help teams get the most out of DuckDB: fast, open, and local analytics at your fingertips.

  • Query.Farm is an independent company.
  • We’re not affiliated with DuckDB Labs or the DuckDB Foundation.
  • We build on the public DuckDB project, and deeply respect the team behind it — many of whom we count as friends and collaborators in the broader DuckDB ecosystem.

Pinned Loading

  1. airport airport Public

    The Airport extension for DuckDB, enables the use of Arrow Flight with DuckDB

    C++ 349 27

  2. shellfs shellfs Public

    DuckDB extension allowing shell commands to be used for input and output.

    C++ 96 5

  3. lindel lindel Public

    DuckDB Extension Linearization/Delinearization, Z-Order, Hilbert and Morton Curves

    C++ 67 6

  4. datasketches datasketches Public

    Integrates DuckDB with the high-performance Apache DataSketches library. This extension enables users to perform approximate analytics on large-scale datasets using state-of-the-art streaming algor…

    C++ 52 3

  5. evalexpr_rhai evalexpr_rhai Public

    A DuckDB extension to evaluate the Rhai scripting language as part of SQL.

    C++ 27

  6. crypto crypto Public

    DuckDB Extension for cryptographic hash functions and HMAC

    C++ 31 7

Repositories

Showing 10 of 222 repositories
  • vgi-tiktoken Public

    Count LLM tokens & chunk text for RAG in DuckDB (Rust, tiktoken)

    Query-farm/vgi-tiktoken's past year of commit activity
    Rust 1 MIT 0 0 5 Updated Sep 15, 2026
  • vgi-iso20022 Public

    Parse ISO 20022 (pacs/camt/pain) and SWIFT MT payment messages in DuckDB with SQL — no egress. A VGI worker.

    Query-farm/vgi-iso20022's past year of commit activity
    Rust 1 MIT 0 0 9 Updated Sep 15, 2026
  • cupola Public

    Cupola — web catalog browser for VGI database servers, with an embedded DuckDB-WASM SQL shell, AI data analysis agent, charts, and pivot tables

    Query-farm/cupola's past year of commit activity
    TypeScript 1 Apache-2.0 0 0 0 Updated Sep 14, 2026
  • Query-farm/query-farm-astro's past year of commit activity
    MDX 0 0 0 0 Updated Sep 14, 2026
  • vgi-typescript Public

    TypeScript SDK for the VGI (Vector Gateway Interface) protocol — host DuckDB scalar, table, aggregate, and table-in-out functions in an external worker over Arrow IPC.

    Query-farm/vgi-typescript's past year of commit activity
    TypeScript 1 0 0 0 Updated Sep 14, 2026
  • vgi-rpc-python Public

    Transport-agnostic RPC framework built on Apache Arrow IPC serialization. Define RPC interfaces as Python Protocol classes with automatic schema derivation, typed client proxies, and streaming support.

    Query-farm/vgi-rpc-python's past year of commit activity
    Python 14 Apache-2.0 0 0 3 Updated Sep 14, 2026
  • vgi-ioc Public

    Extract & defang/refang IOCs from text for DuckDB (Rust)

    Query-farm/vgi-ioc's past year of commit activity
    Rust 0 MIT 0 0 6 Updated Sep 14, 2026
  • vgi-barcode Public

    Decode & generate QR/EAN/UPC/Code128 barcodes for DuckDB (Rust, rxing)

    Query-farm/vgi-barcode's past year of commit activity
    Rust 1 MIT 0 0 6 Updated Sep 14, 2026
  • vgi-python Public

    Python SDK for the VGI (Vector Gateway Interface) protocol — host DuckDB scalar, table, aggregate, and table-in-out functions in an external worker over Arrow IPC.

    Query-farm/vgi-python's past year of commit activity
    Python 4 0 4 3 Updated Sep 14, 2026
  • vgi-units Public

    Physical unit conversion & dimensional analysis (14 dimensions) for DuckDB (Rust)

    Query-farm/vgi-units's past year of commit activity
    Rust 1 MIT 0 0 6 Updated Sep 14, 2026

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