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helix-db

HelixDB is an open-source graph-vector database built from scratch in Rust.

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Description

HelixDB is an open-source graph-vector database built from scratch in Rust.

README

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HelixDB: an open-source graph-vector database built from scratch in Rust.

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Launch YC: HelixDB - The Database for Intelligence


HelixDB is a database that makes it easy to build all the components needed for an AI application in a single platform.

You no longer need a separate application DB, vector DB, graph DB, or application layers to manage the multiple storage locations to build the backend of any application that uses AI, agents or RAG. Just use Helix.

HelixDB primarily operates with a graph + vector data model, but it can also support KV, documents, and relational data.

Get started with HelixDB

Helix CLI Demo

Key Features

Built-in MCP tools Helix has built-in MCP support to allow your agents to discover data and walk the graph rather than generating human readable queries.
Built-in Embeddings No need to embed your data before sending it to Helix, just use the Embed function to vectorize text.
Tooling for RAG HelixDB has a built-in vector search, keyword search, and graph traversals that can be used to power any type of RAG applications.
Secure by Default HelixDB is private by default. You can only access your data through your compiled HelixQL queries.
Ultra-Low Latency Helix is built in Rust and uses LMDB as its storage engine to provide extremely low latencies.
Type-Safe Queries HelixQL is 100% type-safe, which lets you develop and deploy with the confidence that your queries will execute in production

Getting Started

Helix CLI

Start by installing the Helix CLI tool to deploy Helix locally.

  1. Install CLI

    curl -sSL "https://install.helix-db.com" | bash
  2. Initialize a project

    mkdir <path-to-project> && cd <path-to-project>
    helix init
  3. Write queries

    Open your newly created .hx files and start writing your schema and queries. Head over to our docs for more information about writing queries.

    N::User {
       INDEX name: String,
       age: U32
    }
    
    QUERY getUser(user_name: String) =>
       user <- N<User>({name: user_name})
       RETURN user
  4. (Optional) Check your queries compile

    helix check
  5. Deploy your queries to their API endpoints

    helix push dev
  6. Start calling them using our TypeScript SDK or Python SDK. For example:

    import HelixDB from "helix-ts";
    
    // Create a new HelixDB client
    // The default port is 6969
    const client = new HelixDB();
    
    // Query the database
    await client.query("addUser", {
      name: "John",
      age: 20,
    });
    
    // Get the created user
    const user = await client.query("getUser", {
      user_name: "John",
    });
    
    console.log(user);

License

HelixDB is licensed under the The AGPL (Affero General Public License).

Commercial Support

HelixDB is available as a managed service for selected users, if you're interested in using Helix's managed service or want enterprise support, contact us for more information and deployment options.


Just Use Helix

Release History

VersionChangesUrgencyDate
v3.0.3Latest release: v3.0.3High6/2/2026
v3.0.2Latest release: v3.0.2High5/22/2026
v3.0.0Latest release: v3.0.0High5/15/2026
v2.3.5Latest release: v2.3.5High5/13/2026
v2.3.4Latest release: v2.3.4Medium3/31/2026
v2.3.3Release v2.3.3Low3/10/2026
v2.3.2Release v2.3.2Low3/8/2026
v2.3.1Release v2.3.1Low3/5/2026
v2.3.0Release v2.3.0Low2/19/2026
v2.2.9Release v2.2.9Low2/17/2026
v2.2.8Release v2.2.8Low2/6/2026
v2.2.7Release v2.2.7Low1/30/2026
v2.2.6Release v2.2.6Low1/29/2026
v2.2.5Release v2.2.5Low1/25/2026
v2.2.4Release v2.2.4Low1/19/2026
v2.2.3Release v2.2.3Low1/19/2026
v2.2.2Release v2.2.2Low1/17/2026
v2.2.1Release v2.2.1Low1/13/2026
v2.2.0Release v2.2.0Low1/12/2026
v2.1.10Release v2.1.10Low12/18/2025
v2.1.9Release v2.1.9Low12/16/2025
v2.1.8Release v2.1.8Low12/16/2025
v2.1.7Release v2.1.7Low12/11/2025
v2.1.6Release v2.1.6Low12/10/2025
v2.1.5Release v2.1.5Low12/9/2025
v2.1.4Release v2.1.4Low12/5/2025
v2.1.3Release v2.1.3Low11/23/2025
v2.1.2Release v2.1.2Low11/12/2025
v2.1.1Release v2.1.1Low11/8/2025
v2.1.0Release v2.1.0Low11/7/2025
v2.0.5Release v2.0.5Low10/8/2025
v2.0.4Release v2.0.4Low10/1/2025
v2.0.3Release v2.0.3Low9/30/2025
v2.0.2Release v2.0.2Low9/30/2025
v2.0.1Release v2.0.1Low9/28/2025
v2.0.0Release v2.0.0Low9/27/2025
v1.0.138Release v1.0.138Low9/25/2025
v1.0.137Release v1.0.137Low9/21/2025
v1.0.136Release v1.0.136Low9/3/2025
v1.0.135Release v1.0.135Low8/29/2025
v1.0.134Release v1.0.134Low8/25/2025
v1.0.133Release v1.0.133Low8/17/2025
v1.0.132Release v1.0.132Low8/17/2025
v1.0.131Release v1.0.131Low8/17/2025
v1.0.130Release v1.0.130Low8/14/2025
v1.0.129Release v1.0.129Low8/7/2025
v1.0.128Release v1.0.128Low8/6/2025
v1.0.127Release v1.0.127Low8/3/2025
v1.0.126Release v1.0.126Low7/31/2025
v1.0.125Release v1.0.125Low7/31/2025
v1.0.124Release v1.0.124Low7/31/2025
v1.0.123Release v1.0.123Low7/30/2025
v1.0.122Release v1.0.122Low7/30/2025
v1.0.121Release v1.0.121Low7/27/2025

Dependencies & License Audit

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