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

# Rate limits

> Default per-account limits for the Visk MCP server

The following limits apply per account:

| Limit                      | Default       | What counts                                                              |
| -------------------------- | ------------- | ------------------------------------------------------------------------ |
| Operations                 | 600 per hour  | Every MCP tool call                                                      |
| New sessions               | 50 per day    | Each `create_pptx_session`                                               |
| Concurrent active sessions | 5             | Sessions doing work at the same moment — idle sessions don't count       |
| Upload size                | 50 MB         | Each uploaded .pptx                                                      |
| Export links               | Valid 6 hours | Download URLs from `export`; re-export from the session for a fresh link |

## Need higher limits?

If your use case needs more, contact **[contact@visk.com](mailto:contact@visk.com)** with what you're building and the volumes you expect.