---
title: "Extend MCP server"
url: "https://martechdb.com/vendors/extend"
markdown_url: "https://martechdb.com/vendors/extend.md"
api_url: "https://martechdb.com/api/v1/vendors/extend.ai"
updated: "2026-10-01"
---

# Extend MCP server

The official MCP server published by Extend. MartechDB lists only servers the vendor publishes itself, never community servers.

- Website: [extend.ai](https://extend.ai)
- Categories: [Data integration](https://martechdb.com/categories/data-integration.md)

## Extend MCP server

Turn documents into structured data: parse, extract, classify, split, and fill PDF forms.

- Address: https://mcp.extend.ai/mcp
- Runs: Hosted
- Sign-in: Self-serve sign-in (`oauth_self_serve`)
- Official MCP Registry: listed as `ai.extend/extend`
- Source code: https://github.com/extend-hq/extend-agent-plugin
- Documentation: https://docs.extend.ai/mcp
- How we found it: Live check of the vendor's own web address; Official MCP Registry, published under the vendor's own domain
- Last checked: 2026-10-01

### Connect it

Claude Code:

```sh
claude mcp add --transport http extend https://mcp.extend.ai/mcp
```

- Add to Cursor: <cursor://anysphere.cursor-deeplink/mcp/install?name=extend&config=eyJ1cmwiOiJodHRwczovL21jcC5leHRlbmQuYWkvbWNwIn0%3D>
- Add to VS Code: <vscode:mcp/install?%7B%22name%22%3A%22extend%22%2C%22type%22%3A%22http%22%2C%22url%22%3A%22https%3A%2F%2Fmcp.extend.ai%2Fmcp%22%7D>
- Claude.ai and Claude Desktop: Customize, Connectors, "+", Add custom connector, then paste https://mcp.extend.ai/mcp
- ChatGPT: Settings, Apps, Advanced settings, turn on Developer mode, Create, then paste https://mcp.extend.ai/mcp

JSON for Cursor, Windsurf and other clients that connect to hosted servers:

```json
{
    "mcpServers": {
        "extend": {
            "type": "http",
            "url": "https://mcp.extend.ai/mcp"
        }
    }
}
```

## Alternatives with an official MCP server

In Data integration:

- [Microsoft](https://martechdb.com/vendors/microsoft.md) (microsoft.com)
- [HubSpot](https://martechdb.com/vendors/hubspot.md) (hubspot.com)
- [IBM](https://martechdb.com/vendors/ibm.md) (ibm.com)
- [Zapier](https://martechdb.com/vendors/zapier.md) (zapier.com)

## Get this data

- API: `curl https://martechdb.com/api/v1/vendors/extend.ai`
- MCP: `claude mcp add --transport http martechdb https://martechdb.com/mcp`, then ask about Extend.
- Web page: https://martechdb.com/vendors/extend
