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

# Create a hosted MCP server from OpenAPI

> Paste an OpenAPI document, curate tools, and deploy a hosted MCP server that Claude, ChatGPT, and Cursor can call

Turn a public OpenAPI or Swagger 3.x document into a hosted MCP server. You can try a public spec before creating an account.

## How does it work?

1. Paste a public OpenAPI URL, or upload a `.json` / `.yaml` file.
2. Review the generated tools. Enable, disable, rename, or reorder them.
3. Create a free account to deploy. Hosted MCP on the Developer plan does not require a card.
4. Copy the client snippet into Claude, ChatGPT, Cursor, or VS Code.

The hosted server proxies your API. MCP clients authenticate with a gateway token, not your upstream API key.

## What is supported?

* OpenAPI 3.0 and 3.1
* File upload or URL import
* Tool curation before deploy
* A free Developer tier

Swagger 2.0 is not supported. Convert the document to OpenAPI 3.x first.

## Try before you sign up

You can preview tools from a public spec on the app without creating an account. Deploying, minting client tokens, and storing upstream credentials require a Fetch Hive account.