OneCLI vs HashiCorp Vault: Why AI Agents Need a Different Approach

OneCLI vs HashiCorp Vault: why AI agents need a different approach HashiCorp Vault is one of the most respected tools in infrastructure security. It handles secrets rotation, dynamic credentials, encryption as a service, and access policies at massive scale. If you are running a traditional microservices architecture, Vault is a proven choice. But AI agents are not traditional microservices. They introduce a fundamentally different trust model, and that changes the requirements for credential management. This post explains why OneCLI exists alongside Vault - not as a replacement, but as a purpose-built layer for the specific problem of giving AI agents access to external services without exposing raw secrets. The core problem with AI agents When you deploy an AI agent (whether it is a LangChain pipeline, an AutoGPT instance, or a custom orchestration layer), you typically need it to call external APIs: OpenAI, Stripe, GitHub, Slack, databases, internal services. The standard approach i