Securing MCP secrets with Vault + ToolHive in Kubernetes

Running MCP servers in Kubernetes often means dealing with the headache of managing secrets. Hardcoding them? Too risky. Mounting them directly? Too messy.

That’s where ToolHive’s Vault integration tutorial comes in. It shows you how to use HashiCorp Vault to provide secure, controlled access to secrets for MCP servers, without exposing more than you should.

We also put together a short video demo to walk you through it:

If you’re running Kubernetes and want to simplify how your MCP servers access secrets, ToolHive and Vault help you get there faster.