> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.nvidia.com/nemoclaw/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemoclaw/_mcp/server. # Run and Manage Pi > Operate Pi interactively or headlessly and manage its sandbox lifecycle and persistent state. Use NemoClaw for host-side lifecycle operations and Pi for work inside the sandbox. Pi remains unavailable to normal installations until final release activation. These commands describe the accepted runtime once the installed release lists `pi` as a supported agent. ## Connect and Run Pi Start the interactive terminal through the launch preflight. ```bash nemoclaw launch ``` Open a sandbox shell when you want to invoke Pi or inspect workspace files yourself. ```bash nemoclaw connect pi ``` For one non-interactive task from the host, use the managed sandbox command boundary. ```bash nemoclaw exec --workdir /sandbox --no-tty -- \ pi --no-approve --print "Review the current changes" ``` For automation, select JSON mode and an explicit tool set. ```bash nemoclaw exec --workdir /sandbox --no-tty -- \ pi --no-approve --mode json --print --tools read,grep,find,ls \ "Find the configuration entry that selects the default model" ``` Pi JSON mode emits newline-delimited events. Automation must reject malformed output, require a successful process exit, validate the expected `tool_execution_start` and `tool_execution_end` events, and validate the final assistant message independently. ## Inspect Runtime State ```bash nemoclaw status nemoclaw logs nemoclaw doctor nemoclaw list ``` Pi stores runtime state under `/sandbox/.pi/agent`: | Path | Ownership | Snapshot behaviour | | --------------- | ------------------------------- | --------------------------- | | `sessions/` | Confidential user state | Preserved | | `prompts/` | Read-only user resources | Preserved | | `themes/` | Read-only user resources | Preserved | | `tools/` | Executable resource state | Reconstructed, not restored | | `bin/` | Executable resource state | Reconstructed, not restored | | `settings.json` | User preferences | Restores only accepted keys | | `models.json` | Managed inference configuration | Reconstructed, not restored | The accepted `settings.json` restore keys are `theme`, `hideThinkingBlock`, `showCacheMissNotices`, `quietStartup`, `steeringMode`, `followUpMode`, and `defaultThinkingLevel`. Unknown keys, managed routing, authentication, project trust, and executable extension state are not restored. ## Create and Restore Snapshots Finish active Pi tasks and lower Shields before creating a snapshot. Snapshot creation refuses to continue while Shields are up. ```bash nemoclaw shields down nemoclaw snapshot create --name before-change nemoclaw snapshot list ``` Snapshots preserve declared user state. They do not preserve `auth.json`, managed route credentials, generated model configuration, project trust decisions, or executable tool and extension state. Restore replaces sandbox state from a selector returned by `snapshot list`: a version such as `v3`, an exact snapshot name, or a timestamp. Review the target and retain any newer state before continuing. ```bash nemoclaw snapshot restore ``` ## Rebuild and Recover Rebuild validates the recorded workload authority, resolves the current release's exact Pi image, and preserves declared Pi state. ```bash nemoclaw rebuild --yes ``` Use recovery when status reports a stopped or inconsistent sandbox. ```bash nemoclaw recover nemoclaw status ``` After a NemoClaw update, rebuild the sandbox to consume a newer reviewed Pi package and image. Each Pi update requires a new exact package integrity, dependency review, image digest, and qualification result. ## Stop, Start, and Destroy Destroy removes the registered sandbox and its managed runtime resources. It does not remove gateway-held provider credentials. Create a snapshot before destroy when you need declared user state, and reset a provider credential separately after every dependent sandbox is gone. ```bash nemoclaw stop nemoclaw start nemoclaw shields down nemoclaw snapshot create --name before-destroy nemoclaw destroy --yes nemoclaw credentials reset --yes ``` ## Troubleshoot Pi ### Resolve `Unknown agent 'pi'` The installed release has not activated Pi. Update NemoClaw only after a release lists Pi as supported. Do not enable internal candidate qualification settings. ### Fix a Candidate Receipt or Managed-Image Contract Error The selected build cannot prove an accepted immutable Pi image. Do not replace the receipt, use a mutable image tag, or fall back to a host Dockerfile build. Use a release whose Pi activation and image cohort completed together. ### Fix an Unsupported API Pi v1 accepts `openai-completions`. Select a Chat Completions-compatible provider or re-onboard with a supported provider and model. ### Diagnose an Inference Failure Run `nemoclaw status` and `nemoclaw doctor`. Confirm that the host credential remains registered with OpenShell and that the selected model supports streaming and structured tool calls. ### Load a Project Resource Headless `--no-approve` intentionally ignores project-local skills, extensions, prompts, and packages. Use an interactive session to make an explicit Pi project-trust decision. A restored backup never raises project trust automatically. ### Diagnose Direct Internet Access The baseline permits only the managed inference route. GitHub, npm, and other services require explicit policy selection. Do not put provider or service credentials in Pi state to bypass the managed policy.