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Introducing the smoke-test AI Agent Skill for gbrain
August 25, 2026 · 6 min read

Introducing the smoke-test AI Agent Skill for gbrain

Omni Apps introduces smoke-test, an AI agent skill for gbrain that performs health checks after restarts, ensuring system stability. It covers core.

August 25, 2026 · 6 min read
AIgbrainSystem Administration

Maintaining the stability of your gbrain installations is important for reliable operations. Omni Apps is pleased to introduce smoke-test, an AI agent skill designed to streamline this process. The skill focuses on performing essential health checks automatically following machine or container restarts. It helps ensure your gbrain environment is functioning correctly from the moment it comes online, providing a critical layer of operational resilience. This tool is built for developers and system administrators who need quick, verifiable confirmation of system health without manual intervention after a restart. Its design prioritizes direct assessment and actionable feedback, making system oversight more efficient.

Core Diagnostics and Automated Checks The primary role of this skill is to execute a comprehensive suite of eight core diagnostics. These checks cover fundamental aspects of a gbrain installation, addressing common points of failure that can arise after a system restart, which might otherwise lead to unexpected behavior or service interruptions. Specifically, it meticulously verifies the integrity of the Bun runtime, ensuring that the underlying JavaScript runtime environment is properly installed and operational. A functional Bun runtime is essential for gbrain's performance and execution of its processes. It also assesses CLI functionality, confirming that command-line interfaces are responsive, correctly configured, and capable of interacting with the gbrain system. This ensures that administrative and programmatic interactions remain possible. Database integrity checks are performed to ensure data consistency, confirm connectivity, and verify the accessibility of important databases. Issues here could prevent gbrain from storing or retrieving vital information. Furthermore, this agent scrutinizes worker processes, verifying that all background operations and asynchronous tasks are running as expected. Unresponsive or crashed workers can lead to stalled operations or incomplete data processing. It also checks for valid API keys, preventing service disruptions due to expired, revoked, or improperly configured authentication credentials. These eight diagnostics together offer a robust initial assessment of the gbrain system's operational status. A key feature of the skill is its ability to auto-fix known issues. This proactive measure means that many common problems identified during the diagnostic phase can be resolved automatically, reducing the need for manual intervention and significantly speeding up recovery times. For instance, if a specific configuration file is found to be missing or corrupted, and a known fix exists, this agent can apply that correction without human input. All diagnostic results, including any auto-fixes applied and their outcomes, are meticulously logged to a specified file. This log provides a clear audit trail for debugging, compliance, or further analysis, offering transparency into the agent's actions. When all tests pass and any identified issues are successfully fixed, the skill returns an exit code of 0, indicating a healthy and operational system. If there are unfixed failures, it returns a precise count of those failures, providing an immediate and actionable indicator of system health. This agent utilizes the exec tool to run commands and scripts, and the read tool to process output or configuration, enabling its diagnostic and auto-fix capabilities.

Extending Functionality with Custom Scripts While the core diagnostics cover essential aspects of a gbrain setup, every installation can have unique operational requirements, dependencies, or specialized configurations. The skill is designed with strong extensibility in mind, allowing users to tailor its functionality to their specific needs without modifying the core skill. You can easily extend the default checks by adding your own custom scripts, written to perform any additional validation relevant to your environment. Simply place these scripts in the designated smoke-tests.d directory within your gbrain installation. These custom scripts will be automatically discovered and executed by this skill alongside its standard diagnostics, integrating reliably into the overall health check routine. This capability empowers developers and system administrators to integrate application-specific health checks, verify the status of external services gbrain depends on, or address particular configurations unique to their deployment. For example, a custom script might check the status of a specific microservice, validate a particular data format, or ensure an external API endpoint is reachable. By allowing this level of customization, the tool ensures a comprehensive validation process that goes beyond generic system checks, providing confidence that your gbrain environment is not just generically healthy, but also fully functional for its specific purpose.

Strategic Usage and Triggers Deploying the smoke-test skill effectively involves understanding its appropriate usage patterns and activation triggers. The skill is primarily designed to run automatically or upon explicit request, specifically targeting post-restart scenarios where initial system validation is critical. It can be triggered using several intuitive phrases within your gbrain environment, making it easy to invoke when needed. These triggers include 'smoke test', 'run smoke tests', 'health check', or 'container restart check'. The flexibility in these phrases ensures accessibility and natural interaction with the AI agent. A important best practice for this tool is to avoid running it on every chat turn. Its fundamental purpose is to perform a thorough system verification after a significant event like a machine or container restart, or when a specific health check is explicitly required for troubleshooting or validation. Running it excessively would consume unnecessary computational resources and add latency to routine chat interactions without providing additional value beyond its intended restart or on-demand checks. For instance, consider a scenario where you have just performed maintenance on your gbrain server and restarted its container. Instead of manually logging in and checking multiple components, you might simply type 'health check' into your gbrain interface. The agent would then initiate its diagnostics, providing consolidated feedback on the system's readiness and highlighting any potential issues that require attention. This targeted approach ensures that the skill provides maximum value by focusing its efforts on critical validation points, thereby optimizing both system stability and operational efficiency.

FAQ Q1: What exactly does this skill check in a gbrain install? A1: The skill runs eight core diagnostics covering important components like the Bun runtime, CLI functionality, database integrity, worker processes, and the validity of API keys. These checks ensure fundamental operational components are stable and correctly configured after a restart. Q2: Can I add my own custom checks to the skill for unique needs? A2: Yes, you can extend this skill by placing your custom scripts in the smoke-tests.d directory. These scripts will be automatically discovered and executed alongside the default diagnostics, allowing for tailored validation. Q3: When is the best time to run this tool to optimize system resources? A3: It is recommended to run it once after a machine or container restart, or on request, to verify system health. Avoid running it on every chat turn to optimize resource usage and ensure the tool is used for its intended purpose of post-restart validation. The skill offers a straightforward and robust method to maintain gbrain operational integrity. Integrate it into your post-restart procedures for consistent environment validation and swift issue identification.

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