# Pydantic AI - Agent Skills > A standardized, composable framework for building and managing Agent Skills within the Pydantic AI ecosystem A lightweight Python library implementing the Agent Skills specification (https://agentskills.io/specification) for Pydantic AI. Skills are modular collections of instructions, scripts, and resources that extend AI agent capabilities through progressive disclosure (load-on-demand to reduce token usage). ## Documentation - [Home](https://dougtrajano.github.io/pydantic-ai-skills/index.md) - [Advanced Features](https://dougtrajano.github.io/pydantic-ai-skills/advanced/index.md) - [Why pydantic-ai-skills](https://dougtrajano.github.io/pydantic-ai-skills/comparison/index.md) - [Core Concepts](https://dougtrajano.github.io/pydantic-ai-skills/concepts/index.md) - [Contributing](https://dougtrajano.github.io/pydantic-ai-skills/contributing/index.md) - [Creating Skills](https://dougtrajano.github.io/pydantic-ai-skills/creating-skills/index.md) - [Hooks](https://dougtrajano.github.io/pydantic-ai-skills/hooks/index.md) - [Installation](https://dougtrajano.github.io/pydantic-ai-skills/installation/index.md) - [Implementation Patterns](https://dougtrajano.github.io/pydantic-ai-skills/patterns/index.md) - [Programmatic Skills](https://dougtrajano.github.io/pydantic-ai-skills/programmatic-skills/index.md) - [Quick Start](https://dougtrajano.github.io/pydantic-ai-skills/quick-start/index.md) - [Skill Registries](https://dougtrajano.github.io/pydantic-ai-skills/registries/index.md) - [Security & Deployment](https://dougtrajano.github.io/pydantic-ai-skills/security/index.md) - [SkillsCapability API Reference](https://dougtrajano.github.io/pydantic-ai-skills/api/capability/index.md) - [Registries API Reference](https://dougtrajano.github.io/pydantic-ai-skills/api/registries/index.md) - [API Reference](https://dougtrajano.github.io/pydantic-ai-skills/api/toolset/index.md) - [Types API Reference](https://dougtrajano.github.io/pydantic-ai-skills/api/types/index.md)