---
id: arcade-core
version: "4.11.0"
license: MIT
license_treatment: permissive
maintenance: active
---

# arcade-core — Arcade Core - Core library for Arcade platform

License: permissive · Maintenance: active · Downloads: 311.4K/mo

## What it is and what it does

Arcade Core is a foundational library for the Arcade platform ecosystem. It provides the core abstractions and utilities that Arcade toolkits build upon: a tool catalog system for discovering and organizing tools, configuration and schema validation via pydantic, authentication and authorization primitives, comprehensive error types, and observability features including telemetry. The package is designed to be installed alongside Arcade toolkit packages that extend its capabilities with domain-specific tools.

The library handles the plumbing that Arcade toolkits need: loading toolkit modules, managing tool metadata, validating configurations, and providing common utilities. It depends on httpx for HTTP operations, loguru for logging, pydantic for schema validation, pyjwt for authentication tokens, and posthog for telemetry, among others. It targets modern Python versions and is marked production-stable.

Use it for:

- Building or extending Arcade platform toolkits by providing the core toolkit loading and catalog infrastructure.
- Implementing authentication and authorization flows using the built-in auth provider utilities.
- Standardizing configuration and schema validation across Arcade ecosystem packages via pydantic integration.
- Adding observability and telemetry to Arcade-based applications through the telemetry utilities.
- Managing and organizing tool discovery in applications that use multiple Arcade toolkit packages.

## Worth the install?

AI-flagged interpretation of the facts above — verify before relying.

Arcade Core provides foundational components for the Arcade platform, including tool catalog management, configuration handling, authentication, error handling, and telemetry utilities.

Yes, if you are building on the Arcade platform or using Arcade toolkits—it is a required foundation. The package is actively maintained, has no known vulnerabilities, uses a permissive MIT license, and has low install friction. Install it as a dependency of Arcade toolkit packages rather than directly unless you are developing Arcade extensions.

## Install

pip install arcade-core
uv add arcade-core
poetry add arcade-core

## Installing arcade-core

Before you install: Low install friction with a pure-Python wheel distribution. Marked as active maintenance with a recent release 36 days ago. Supports Python 3.10 through 3.13.

License in practice: MIT license (permissive) means you can use, modify, and distribute this package freely in commercial and open-source projects with minimal restrictions.

Quickstart:

pip install arcade-core

import arcade_core
from arcade_core import ToolCatalog, Toolkit

catalog = ToolCatalog()
toolkit = Toolkit.from_module(some_arcade_module)

Requires Python 3.10 or later.

Verify before relying:

- Whether the 12 runtime dependencies are all required for basic usage or if some are optional.
- Specific authentication providers and security utilities included beyond the description.
- Whether telemetry/posthog integration is opt-in or enabled by default.

## Package facts

- License: MIT (permissive)
- Python support: supports_current
- Install friction: low
- Maintenance: active
- Downloads: 311.4K/month (top 15,000 on PyPI)
- Known vulnerabilities: none known

## Tags

tool catalog management, arcade platform core, configuration validation, authentication utilities, telemetry observability, toolkit management, error handling framework, platform-core, toolkit-management, observability

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