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

# AI Content

> Generate post copy, captions from media, and AI images — exposed in the app and via REST.

Postsiva’s **AI Composer** (all plans for in-app; Pro for API/MCP) generates and edits social content.

## Operations

| Capability       | Typical credits | API / MCP                                 |
| ---------------- | --------------- | ----------------------------------------- |
| Idea → post copy | 2               | `/unified/content`, MCP `idea_to_content` |
| Media → caption  | 2               | Media-to-content endpoints                |
| Caption → image  | 5               | `/unified/image`, MCP `content_to_image`  |
| Image edit       | 3               | Image edit endpoints (when enabled)       |
| Rephrase         | 1               | Composer / agent tools                    |

Exact weights: [Plans — AI credits](/reference/plans#ai-credit-weights).

## Personas

When **personas** are enabled (Pro), generation follows the brand voice built for that LinkedIn profile, Facebook Page, etc. See [Personas](/features/personas).

## Clients

* Web: Content manager / AI Composer
* Mobile: Composer tab
* Chrome extension: rephrase + image generate on LinkedIn reposts
* API key / MCP: same backend tooling

Docs: [AI Content API](/apis/ai-content).