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

# Changelog

> Releases of nativeharness.

<Update label="Unreleased" description="2026-09-21">
  **The first release.** nativeharness is an agent harness that runs inside your own application:
  a workspace per user, a disposable sandbox, one tool, connectors, and a resumable turn.

  **One import.** `new Harness()` assembles the store, the sandbox, the tool and the loop with
  defaults, and exposes every one of them.

  **The CLI.** `@nativeharness/cli` ships `nhar`: `create`, `ls`, `inspect`, `rm`, `exec`, `files`,
  `cat`, `put`, `export`, `import`, `chat` and `doctor`. The first consumer to drive every layer
  from outside a test.

  **Command output now streams during a turn.** `BashTool` publishes `output` events as a command
  runs, bounded in bytes at the same limit the result is truncated to. Before this, an agent turn
  delivered a command's output only inside the final `tool_result` — a three-minute install read
  as three minutes of silence.

  **An isolating sandbox provider.** `sandbox-nativesandbox`, over the published `nativesandbox`
  runtime; 41 conformance cases. The agent's refusal to run a model's commands without isolation
  is now satisfiable on hosts with no `/dev/kvm`.

  Nothing is published to npm yet.
</Update>