Apx

<p align="center"> <a href="https://github.com/databricks-solutions/apx"> <img src="https://raw.githubusercontent.com/databricks-solutions/apx/refs/heads/main/assets/logo.svg" class="align-center" width="200" height="200" alt="logo" /> </a> </p> <p align="center"> <b>🚀 <code>apx</code> is the toolkit for building Databricks Apps ⚡</b> </p> <div align="center">

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✨ apx bundles together a set of tools and libraries to help you with app development lifecycle: develop, build and deploy.

💡 The main idea of apx is to provide convenient, fast and AI-friendly development experience.

🚀 Quickstart

Install apx:

# macOS/Linux
curl -fsSL https://databricks-solutions.github.io/apx/install.sh | sh

# Windows
irm https://databricks-solutions.github.io/apx/install.ps1 | iex

Initialize a new project:

apx init

📚 Documentation

Documentation

⬆️ Upgrading apx

apx upgrade

License and Third Party Libraries

License

© 2025 Databricks, Inc. All rights reserved. The source in this project is provided subject to the Databricks License.

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Rust Crates

The core of apx is written in Rust. Below is the complete list of Rust crates used:

| Crate | Description | License | Source | | ------------------------------ | ------------------------------------------------------------------ | -------------------- | -------------------------------------------------------------- | | axum | Modern async web framework with WebSocket support for dev server | MIT | GitHub | | biome_css_parser | CSS parser for analyzing and transforming stylesheets | MIT | GitHub | | biome_css_syntax | CSS syntax tree definitions for parsing | MIT | GitHub | | biome_rowan | Red-green tree library for syntax analysis | MIT | GitHub | | chrono | Date and time handling with timezone support | MIT/Apache-2.0 | GitHub | | clap | Command line argument parser with derive macros for CLI definition | MIT/Apache-2.0 | GitHub | | console | Terminal styling and interaction utilities | MIT | GitHub | | dialoguer | Interactive command-line prompts and user input handling | MIT | GitHub | | dirs | Platform-specific standard directories (config, cache, data paths) | MIT/Apache-2.0 | GitHub | | flate2 | DEFLATE compression and decompression | MIT/Apache-2.0 | GitHub | | futures-util | Utilities for working with futures and async streams | MIT/Apache-2.0 | GitHub | | hex | Hexadecimal encoding/decoding utilities | MIT/Apache-2.0 | GitHub | | indicatif | Progress bars, spinners, and CLI status indicators | MIT | GitHub | | notify | Cross-platform file system change notifications for hot reload | CC0-1.0/Artistic-2.0 | GitHub | | opentelemetry | Observability SDK for distributed tracing and metrics | Apache-2.0 | GitHub | | opentelemetry_sdk | OpenTelemetry SDK implementation with Tokio runtime | Apache-2.0 | GitHub | | opentelemetry-otlp | OTLP exporter for sending telemetry to collectors | Apache-2.0 | GitHub | | opentelemetry-appender-tracing | Bridge between tracing and OpenTelemetry | Apache-2.0 | GitHub | | opentelemetry-proto | OpenTelemetry protocol buffer definitions | Apache-2.0 | GitHub | | prost | Protocol Buffers implementation for Rust | Apache-2.0 | GitHub | | rand | Random number generation for various use cases | MIT/Apache-2.0 | GitHub | | rayon | Data parallelism library for parallel iteration | MIT/Apache-2.0 | GitHub | | reqwest | HTTP client for making API requests and downloading resources | MIT/Apache-2.0 | GitHub | | rmcp | Rust SDK for the Model Context Protocol | MIT/Apache-2.0 | Crates.io | | ruff_python_ast | Python AST definitions from the Ruff project | MIT | GitHub | | ruff_python_parser | Python parser from Ruff for AST manipulation | MIT | GitHub | | ruff_text_size | Text size utilities from the Ruff project | MIT/Apache-2.0 | GitHub | | rust-embed | Embed files into Rust binary at compile time | MIT | GitHub | | schemars | JSON Schema generation from Rust types for API docs | MIT | GitHub | | serde | Serialization/deserialization framework for data structures | MIT/Apache-2.0 | GitHub | | serde_json | JSON serialization/deserialization for API communication | MIT/Apache-2.0 | GitHub | | serde_with | Custom serde serialization helpers | MIT/Apache-2.0 | GitHub | | serde_yaml | YAML serialization/deserialization for config files | MIT/Apache-2.0 | GitHub | | sha2 | SHA-2 hash functions for integrity verification | MIT/Apache-2.0 | GitHub | | similar | Text diffing library for addon apply diffs | MIT | GitHub | | sqlx | Async SQL toolkit with compile-time checked queries (SQLite) | MIT/Apache-2.0 | GitHub | | swc_atoms | Interned string atoms for the SWC compiler | Apache-2.0 | GitHub | | swc_common | Common utilities for SWC TypeScript/JavaScript AST | Apache-2.0 | GitHub | | swc_ecma_ast | ECMAScript AST definitions for TypeScript parsing | Apache-2.0 | GitHub | | swc_ecma_codegen | ECMAScript code generation from AST | Apache-2.0 | [GitHub](https://g