# Agent Harness Platform

- [Overview](https://docs.zenml.io/kitaru/agent-harness-platform/agent-harness-platform.md): A runnable reference architecture for building an internal agent harness platform with Kitaru and PydanticAI
- [Durable Agent](https://docs.zenml.io/kitaru/agent-harness-platform/01-durable-agent.md): PydanticAI runs the agent loop. Kitaru keeps a durable record of the work that finished before a crash.
- [Sandbox](https://docs.zenml.io/kitaru/agent-harness-platform/02-sandbox.md): Run the agent's shell commands inside a Docker sandbox, so a mistaken command hits a throwaway container instead of your host.
- [Skills](https://docs.zenml.io/kitaru/agent-harness-platform/03-skills.md): Move the agent's procedure out of the system prompt and into a markdown file an operator can edit without changing code.
- [Credential Proxy](https://docs.zenml.io/kitaru/agent-harness-platform/04-credential-proxy.md): A separate proxy container holds the service credentials and injects auth headers; the worker never holds them
- [Typed Services](https://docs.zenml.io/kitaru/agent-harness-platform/05-typed-services.md): Add exec\_service for structured host-side calls (look up a record, create a ticket, publish a summary) when a shell command is the wrong shape
- [Human in the Loop](https://docs.zenml.io/kitaru/agent-harness-platform/06-hitl.md): ask\_question, a freeform HITL tool that pauses the flow until an operator answers from any surface
- [Production Notes](https://docs.zenml.io/kitaru/agent-harness-platform/production-notes.md): Which pieces of the Agent Harness Platform tour are teaching stand-ins, where each one plugs into production, and what to harden before you rely on the pattern


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