> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vectorshift.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

> Build custom AI workflows using powerful modular components

Workflows are no-code AI processes that execute logic that you define.
For a deeper dive into core workflow mechanics, visit [Workflow Mechanics](/platform/pipelines/variables).
Workflows are built by connecting nodes. Browse the node library by category below:

<CardGroup cols={2}>
  <Card title="Start" icon="play" href="/nodes/input/overview">
    Set your workflow's inputs, outputs, and triggers
  </Card>

  <Card title="VectorShift" icon="workflow" href="/nodes/workflow/overview">
    Embed other workflows and agents as building blocks
  </Card>

  <Card title="Knowledge" icon="book" href="/nodes/knowledge-base-v3/overview">
    Read, write, and search your knowledge bases
  </Card>

  <Card title="AI" icon="sparkles" href="/nodes/openai/overview">
    LLMs and multi-modal models that power your workflow
  </Card>

  <Card title="Logic" icon="git-branch" href="/nodes/condition/overview">
    Control the flow of logic in your workflow
  </Card>

  <Card title="Chat" icon="message-square" href="/nodes/chat-file-reader/overview">
    Add chat-specific functionality like memory and messages
  </Card>
</CardGroup>