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

# Server Variables Knowledge Base

> Map programmatic secrets and contextual constants seamlessly injecting down exactly when explicit dependencies necessitate runtime configurations.

# Server Variables

Map programmatic secrets and contextual constants dynamically into your HasMCP environment securely and safely.

* [How do I create a server variable?](/kb/create-server-variable)
* [What is the API endpoint to create a server variable?](/kb/create-server-variable-endpoint)
* [How do I get a list of server variables via the API?](/kb/list-server-variables-api)
* [Are Server Variables encrypted?](/kb/server-variable-encryption)
* [How do I delete a server variable?](/kb/delete-server-variable)
* [Can a variable be shared among different providers?](/kb/variable-provider-sharing)
* [What is the payload structure of a server variable?](/kb/variable-payload-structure)
* [What happens if a tool requires a variable that is missing?](/kb/missing-variable-handling)
* [How do I update a server variable?](/kb/update-server-variable)
* [Can two server variables have the same name?](/kb/duplicate-variable-names)