# Havincy > Havincy API and MCP server: generate images, videos, voice-overs, music, 3D and viral Encore video effects from your code or from ChatGPT, Claude and Cursor. - [Introduction](https://docs.havincy.com/index.md): Generate images, videos, voice-overs, music, 3D and viral video effects with one API — or straight from ChatGPT, Claude and Cursor. - [Quickstart](https://docs.havincy.com/quickstart.md): Create an API key and generate your first image. - [Authentication](https://docs.havincy.com/authentication.md): API keys, OAuth for MCP clients, workspaces and permissions. - [Credits and limits](https://docs.havincy.com/credits-and-limits.md): How generations are billed and how rate limits work. - [Errors](https://docs.havincy.com/errors.md): Error format and codes. - [MCP overview](https://docs.havincy.com/mcp/overview.md): Use Havincy as a tool inside ChatGPT, Claude, Cursor and Claude Code. - [Connect ChatGPT](https://docs.havincy.com/mcp/chatgpt.md): Add Havincy to ChatGPT as a custom connector. - [Connect Claude](https://docs.havincy.com/mcp/claude.md): Add Havincy to claude.ai and Claude Desktop. - [Claude Code, Cursor and other clients](https://docs.havincy.com/mcp/claude-code-and-cursor.md): Connect Havincy from your terminal, your editor or any MCP client. - [Tools reference](https://docs.havincy.com/mcp/tools.md): The tools exposed by the Havincy MCP server. - [Generate images](https://docs.havincy.com/guides/generate-images.md): Text-to-image, image editing and references. - [Generate videos](https://docs.havincy.com/guides/generate-videos.md): Text-to-video and image-to-video with Kling, Veo, Seedance and more. - [Voice, music and 3D](https://docs.havincy.com/guides/audio-and-3d.md): Text to speech, music generation and 3D models. - [Encore effects](https://docs.havincy.com/guides/encore-effects.md): Turn one photo into a viral vertical video. - [Async generation and polling](https://docs.havincy.com/guides/async-and-polling.md): Wait for results with wait_seconds or by polling. - [Publish to social networks](https://docs.havincy.com/guides/publish-to-social.md): Post or schedule media on TikTok, Instagram Reels and YouTube Shorts. - [API reference](https://docs.havincy.com/api-reference/introduction.md): Base URL, authentication and conventions of the Havincy REST API v1. - [Get account](https://docs.havincy.com/api-reference/get-account.md) - [List models](https://docs.havincy.com/api-reference/list-models.md) - [Create a generation](https://docs.havincy.com/api-reference/generate.md) - [Get a generation](https://docs.havincy.com/api-reference/get-generation.md) - [Upload an image](https://docs.havincy.com/api-reference/upload-image.md) - [List Encore effects](https://docs.havincy.com/api-reference/list-encore-effects.md) - [Create an Encore video](https://docs.havincy.com/api-reference/create-encore.md) - [Get an Encore creation](https://docs.havincy.com/api-reference/get-encore-creation.md) - [List characters](https://docs.havincy.com/api-reference/list-characters.md) - [List assets](https://docs.havincy.com/api-reference/list-assets.md) - [Get asset](https://docs.havincy.com/api-reference/get-asset.md) - [List brand kits](https://docs.havincy.com/api-reference/list-brand-kits.md) - [List projects](https://docs.havincy.com/api-reference/list-projects.md) - [List social accounts](https://docs.havincy.com/api-reference/list-social-accounts.md) - [Publish to social networks](https://docs.havincy.com/api-reference/publish-to-social.md) - [Get a publication](https://docs.havincy.com/api-reference/get-publication.md) - [List publications](https://docs.havincy.com/api-reference/list-publications.md) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.