Terms of Service

This End User License Agreement (this "Agreement") governs the use of the desktop application "AI Usage Viewer" (the "Software"), provided free of charge by VIT Works (the "Provider"). By installing or using the Software, you agree to be bound by this Agreement. If you do not agree to this Agreement, do not install or use the Software.

Article 1 (Overview of the Software)

The Software is a tool that resides in the Windows system tray on Windows 11 and displays usage information (token usage, usage rate, etc.) for Claude Code and Codex. The Software is distributed free of charge as closed-source, binary-only software, self-hosted for download from the Provider's website or other official distribution channels.

Article 2 (Unofficial Tool Disclosure)

The Software is an unofficial companion tool for Claude Code, provided by Anthropic, PBC ("Anthropic"), and Codex, provided by OpenAI, L.L.C. ("OpenAI"). The Provider has no capital relationship, business partnership, sponsorship, endorsement, or any other affiliation with either Anthropic or OpenAI. The Software is not officially provided, warranted, or supported by either company.

The Software may rely on interfaces (unofficial API endpoints) that are not publicly documented or not guaranteed for general use by these companies in order to retrieve usage information. As a result, changes to either company's specifications or Terms of Service, or the discontinuation of such endpoints, may cause part or all of the Software's functionality to stop working without prior notice.

Article 3 (No Warranty — Provided "AS IS")

The Software is provided "AS IS," without warranty of any kind, whether express or implied, including but not limited to warranties of merchantability, fitness for a particular purpose, non-infringement, accuracy, completeness, or continuity of operation. The token usage, usage rate, and other figures displayed by the Software are obtained through unofficial means, and the Provider makes no guarantee as to their accuracy or timeliness.

Article 4 (Self-Responsibility and Disclaimer)

You use the Software at your own risk and discretion. To the maximum extent permitted by applicable law, the Provider shall not be liable for any damages arising from the use of, or inability to use, the Software, including but not limited to direct, indirect, special, or consequential damages, lost profits, data loss, or breach of contract with any third-party service.

In particular, you are solely responsible for determining whether your use of the Software conflicts with the Terms of Service of Anthropic or OpenAI. The Provider is not involved in, and bears no responsibility for, the contractual relationship between you and either company (including any account suspension or usage restriction).

Article 5 (Handling of Data)

The handling of authentication information and usage data by the Software is governed by the separately provided "Privacy Policy". The Privacy Policy forms part of this Agreement.

Article 6 (Prohibition of Reverse Engineering and Copying)

Except as expressly permitted by applicable law, you may not reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code of the Software.

Article 7 (Redistribution)

You may share or introduce the unmodified Software to third parties for personal, non-commercial purposes (for example, by sharing a link to the Provider's official distribution page). However, you may not independently redistribute, re-host, mirror, or commercially repurpose the Software itself (binary or installer) or any modified version thereof without the Provider's permission. The Provider bears no liability for any damages arising from unauthorized redistribution.

Article 8 (Changes to This Agreement)

The Provider may modify this Agreement as necessary. The Provider will endeavor to notify users of material changes through a Software update or the official distribution page. Continued use of the Software after such changes constitutes acceptance of the revised Agreement.

Article 9 (Governing Law and Jurisdiction)

This Agreement shall be governed by and construed in accordance with the laws of Japan. Any dispute arising in connection with the Software shall be subject to the exclusive jurisdiction of the court having jurisdiction over the location of the Provider as the court of first instance.

Article 10 (Severability)

If any provision of this Agreement is held invalid or unenforceable under applicable law, the remaining provisions shall remain in full effect.

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Provider: VIT Works

Last updated: 2026-07-03