# Source: https://developers.openai.com/changelog/apps-sdk/2026-01-21.md

# Company knowledge compatibility guidance

- Date: 2026-01-21
- Products: Apps SDK

## Changes
- Added [company knowledge in ChatGPT](https://openai.com/index/introducing-company-knowledge/) compatibility guidance for the `search`/`fetch` tools. [Click here to learn more](https://developers.openai.com/apps-sdk/build/mcp-server#company-knowledge-compatibility).