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

# Introduction

> Welcome to the COR API Documentation

<Badge color="orange">v1.0</Badge>

## Welcome to COR API

Build powerful integrations with COR's project management platform.

<CardGroup cols={2}>
  <Card title="Start here" icon="rocket" href="/quickstart">
    Follow our three step quickstart guide to get up and running.
  </Card>

  <Card title="MCP Server" icon="plug" href="/ai-tools/mcp-server">
    Connect Claude, Cursor, Windsurf, and other AI clients to your COR workspace.
  </Card>
</CardGroup>

## Explore the API

Discover the core capabilities of the COR API.

<CardGroup cols={2}>
  <Card title="Authentication" icon="key" href="/api-reference/auth/jwt-authorization-by-client-credentials" color="#F97316">
    Learn how to authenticate your API requests using OAuth 2.0.
  </Card>

  <Card title="Projects" icon="folder-open" href="/api-reference/projects/get-projects">
    Create, update, and manage projects programmatically.
  </Card>

  <Card title="Tasks" icon="list-check" href="/api-reference/tasks/get-tasks">
    Manage tasks, assignments, and track progress.
  </Card>

  <Card title="Time Tracking" icon="clock" href="/api-reference/hours/get-hours" color="#F97316">
    Log hours and manage time entries for your team.
  </Card>
</CardGroup>

## What can you build?

Discover how teams use the COR API to streamline their operations.

<Columns cols={2}>
  <Card title="Sync your team" icon="users" href="/api-reference/integrations-introduction">
    Keep users, contracts, and schedules synchronized from your HR system using the Integrations API.
  </Card>

  <Card title="Automate projects" icon="wand-magic-sparkles" href="/api-reference/integrations/projects/create">
    Automatically create projects when a deal closes in your CRM.
  </Card>

  <Card title="Integrate timetracking" icon="timer" href="/api-reference/integrations/working-time/create">
    Connect hours logged in COR with your payroll or billing system.
  </Card>

  <Card title="Connect your ERP" icon="arrows-rotate" href="/api-reference/integrations/clients/create">
    Sync clients, transactions, and costs with your financial system.
  </Card>
</Columns>

<Warning>
  **Rate Limits**: The COR API has rate limits in place. Make sure to handle rate limit responses appropriately in your integration.
</Warning>