plano/docs/source/get_started/overview.rst
Salman Paracha fbe82351c0
Salmanap/fix docs new providers model alias (#571)
* fixed docs and added ollama as a first-class LLM provider

* matching the LLM routing section on the README.md to the docs

* updated the section on preference-based routing

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Co-authored-by: Salman Paracha <salmanparacha@MacBook-Pro-167.local>
2025-09-19 10:19:57 -07:00

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.. _overview:
Overview
============
`Arch <https://github.com/katanemo/arch>`_ is a smart edge and AI gateway for AI agents - one that is natively designed to handle and process prompts, not just network traffic.
Built by contributors to the widely adopted `Envoy Proxy <https://www.envoyproxy.io/>`_, Arch handles the *pesky low-level work* in building agentic apps — like applying guardrails, clarifying vague user input, routing prompts to the right agent, and unifying access to any LLM. Its a protocol-friendly and framework-agnostic infrastructure layer designed to help you build and ship agentic apps faster.
In this documentation, you will learn how to quickly set up Arch to trigger API calls via prompts, apply prompt guardrails without writing any application-level logic,
simplify the interaction with upstream LLMs, and improve observability all while simplifying your application development process.
.. figure:: /_static/img/arch_network_diagram_high_level.png
:width: 100%
:align: center
High-level network flow of where Arch Gateway sits in your agentic stack. Designed for both ingress and egress prompt traffic.
Get Started
-----------
This section introduces you to Arch and helps you get set up quickly:
.. grid:: 3
.. grid-item-card:: :octicon:`apps` Overview
:link: overview.html
Overview of Arch and Doc navigation
.. grid-item-card:: :octicon:`book` Intro to Arch
:link: intro_to_arch.html
Explore Arch's features and developer workflow
.. grid-item-card:: :octicon:`rocket` Quickstart
:link: quickstart.html
Learn how to quickly set up and integrate
Concepts
--------
Deep dive into essential ideas and mechanisms behind Arch:
.. grid:: 3
.. grid-item-card:: :octicon:`package` Tech Overview
:link: ../concepts/tech_overview/tech_overview.html
Learn about the technology stack
.. grid-item-card:: :octicon:`webhook` LLM Providers
:link: ../concepts/llm_providers/llm_providers.html
Explore Archs LLM integration options
.. grid-item-card:: :octicon:`workflow` Prompt Target
:link: ../concepts/prompt_target.html
Understand how Arch handles prompts
Guides
------
Step-by-step tutorials for practical Arch use cases and scenarios:
.. grid:: 3
.. grid-item-card:: :octicon:`shield-check` Prompt Guard
:link: ../guides/prompt_guard.html
Instructions on securing and validating prompts
.. grid-item-card:: :octicon:`code-square` Function Calling
:link: ../guides/function_calling.html
A guide to effective function calling
.. grid-item-card:: :octicon:`issue-opened` Observability
:link: ../guides/observability/observability.html
Learn to monitor and troubleshoot Arch
Build with Arch
---------------
For developers extending and customizing Arch for specialized needs:
.. grid:: 2
.. grid-item-card:: :octicon:`dependabot` Agentic Workflow
:link: ../build_with_arch/agent.html
Discover how to create and manage custom agents within Arch
.. grid-item-card:: :octicon:`stack` RAG Application
:link: ../build_with_arch/rag.html
Integrate RAG for knowledge-driven responses