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HecO is a command-line tool developed by HecO-CLI for HarmonyOS (Hongmeng) application development. Its primary purpose is to provide convenient command-line hints and auto-completion, making the development workflow more efficient for those building applications on the HarmonyOS platform. Falling into the developer tools category, specifically within command-line utilities and mobile application development tooling, HecO is designed to serve two distinct audiences: human developers working on HarmonyOS applications and AI systems that need to invoke development commands programmatically. This dual accessibility makes it suitable for traditional interactive terminal use, where developers benefit from command suggestions and completion while typing, as well as for automated or AI-assisted workflows in which an intelligent agent issues commands on the user's behalf. Typical use cases include streamlining everyday HarmonyOS app development tasks from the terminal, reducing the need to memorize exact command syntax through built-in prompting and completion features, and integrating HarmonyOS development operations into AI-driven tooling or scripts. The software is currently at version 0.1.0, an early-stage release that reflects its initial public availability, and a total of two versions have been published to date, indicating that the project has already seen at least one update since its first release. As a young and actively maintained command-line utility, HecO represents a focused effort to lower the barrier to HarmonyOS application development by combining practical CLI conveniences with compatibility for both developers and AI callers. Users interested in HarmonyOS development can consider HecO as a lightweight addition to their toolchain when seeking a command-line interface with helpful completion support tailored to the HarmonyOS ecosystem.
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