TatsuCode End User Terms of Service

Last Updated: January 21, 2026

Please read these Terms of Service ("Terms") carefully before downloading, installing, or using TatsuCode. These Terms constitute a legally binding agreement between you and Studio Tatsu, LLC ("Studio Tatsu," "Company," "we," "us," or "our"), governing your access to and use of the TatsuCode desktop application, the website at https://tatsu.ai (the "Website"), and related services (collectively, the "Software" or "Service").

By downloading, installing, or using the Software, you agree to be bound by these Terms. If you do not agree to these Terms, do not download, install, or use the Software.

If you are using the Software on behalf of an organization or entity, you represent and warrant that you have the authority to bind that organization to these Terms, and references to "you" or "your" shall include that organization.

1. Description of Service

1.1. Overview

TatsuCode is an AI-powered coding assistant desktop application designed to help developers write, edit, analyze, and manage code. The Software leverages artificial intelligence and machine learning technologies to provide code suggestions, completions, and other development assistance.

1.2. Third-Party AI Integration

The Software is designed to integrate with third-party AI providers and services ("Third-Party AI Services"), including but not limited to:

  • OpenRouter
  • Anthropic (Claude)
  • OpenAI
  • Google (Gemini)
  • Local AI model servers (Ollama, LM Studio, llama.cpp, etc.)

Your use of Third-Party AI Services through the Software is subject to the respective terms and conditions and privacy policies of those providers. Studio Tatsu is not responsible for the availability, performance, or conduct of any Third-Party AI Services.

1.3. Free Software

TatsuCode is provided free of charge. Development is supported through voluntary donations. While the Software is free to use, we encourage users who find value in TatsuCode to consider supporting continued development through our donation page.

2. License Grant

2.1. License

Subject to your compliance with these Terms, Studio Tatsu grants you a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to download, install, and use the Software on compatible devices for your personal or internal business purposes.

2.2. License Restrictions

You agree that you will not, and will not permit any third party to:

(a) Copy, modify, adapt, translate, or create derivative works based on the Software;

(b) Reverse engineer, disassemble, decompile, or otherwise attempt to derive the source code, object code, underlying structure, ideas, algorithms, or trade secrets of the Software, except to the extent expressly permitted by applicable law;

(c) Rent, lease, lend, sell, sublicense, assign, distribute, publish, transfer, or otherwise make available the Software to any third party;

(d) Remove, alter, or obscure any proprietary notices, labels, or marks on the Software;

(e) Use the Software to develop or train any AI model, machine learning algorithm, or similar technology that is competitive with the Software or any Studio Tatsu product;

(f) Use the Software in any manner that violates applicable laws or regulations;

(g) Use the Software in any manner that could damage, disable, overburden, or impair any Studio Tatsu server or network;

(h) Attempt to gain unauthorized access to any systems, networks, or data related to the Software;

(i) Use the Software to transmit any viruses, malware, or other malicious code;

(j) Use the Software for any illegal, harmful, or fraudulent purpose.

3. User Content and Data

3.1. Your Content

You retain all rights, title, and interest in and to any code, data, files, or other materials you create, upload, or process using the Software ("Your Content"). Studio Tatsu does not claim any ownership rights in Your Content.

3.2. Local Processing

The Software processes Your Content locally on your device. Studio Tatsu does not collect, store, transmit, or access Your Content on our servers unless you explicitly share it with us (e.g., for support purposes).

3.3. Third-Party AI Transmission

When you use Third-Party AI Services through the Software, Your Content (including code snippets, prompts, and context) may be transmitted directly to those third-party providers. You are solely responsible for:

(a) Understanding and complying with the terms and privacy policies of any Third-Party AI Services you use;

(b) Ensuring that Your Content does not contain sensitive, confidential, or proprietary information that you are not authorized to share;

(c) Any consequences arising from the transmission of Your Content to Third-Party AI Services.

3.4. Third-Party Account Actions

You acknowledge and agree that:

(a) Third-Party AI Services may suspend, terminate, or restrict your access to their services at any time, for any reason, including but not limited to violations of their terms of service, acceptable use policies, or applicable laws;

(b) Studio Tatsu has no control over and is not responsible for any actions taken by Third-Party AI Services against your account, including account suspension, termination, bans, rate limiting, or access restrictions;

(c) Studio Tatsu is not liable for any damages, losses, or consequences arising from your inability to access Third-Party AI Services, whether due to account actions, service outages, policy changes, or any other reason;

(d) You are solely responsible for maintaining your accounts with Third-Party AI Services in good standing and complying with their terms;

(e) If your access to a Third-Party AI Service is suspended or terminated, you remain bound by these Terms and may continue to use the Software with other compatible services or local AI models.

3.5. AI-Generated Output

Any code, suggestions, or content generated by AI through the Software ("AI Output") is provided for informational and assistance purposes only. You acknowledge that:

(a) AI Output may contain errors, inaccuracies, security vulnerabilities, or misleading information;

(b) AI Output may be similar or identical to output provided to other users;

(c) You are solely responsible for reviewing, testing, and validating all AI Output before use;

(d) You assume all risks associated with the use of AI Output in any production, commercial, or critical environment.

4. Intellectual Property

4.1. Studio Tatsu Property

The Software, including all intellectual property rights therein (including but not limited to copyrights, trademarks, trade secrets, and patents), is and shall remain the exclusive property of Studio Tatsu and its licensors. These Terms do not grant you any rights to use Studio Tatsu's name, logo, trademarks, or service marks.

4.2. Feedback

If you provide any suggestions, ideas, comments, or other feedback regarding the Software ("Feedback"), you grant Studio Tatsu a worldwide, perpetual, irrevocable, royalty-free, fully paid-up, sublicensable, and transferable license to use, reproduce, modify, distribute, and otherwise exploit the Feedback for any purpose without obligation or compensation to you.

4.3. Open Source Components

The Software may include open source software components that are subject to their own license terms. A list of open source components and their respective licenses is available within the Software or upon request. In the event of a conflict between these Terms and any open source license, the open source license shall govern solely with respect to that component.

5. Updates and Modifications

5.1. Software Updates

Studio Tatsu may, from time to time, release updates, patches, or new versions of the Software. The Software may automatically check for available updates. You are responsible for installing updates to ensure optimal performance and security.

5.2. Service Modifications

Studio Tatsu reserves the right to modify, suspend, or discontinue the Software or any part thereof at any time, with or without notice. Studio Tatsu shall not be liable to you or any third party for any modification, suspension, or discontinuation of the Software.

6. Disclaimers

6.1. "As Is" Basis

THE SOFTWARE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTY OF ANY KIND, WHETHER EXPRESS, IMPLIED, OR STATUTORY. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, STUDIO TATSU DISCLAIMS ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO:

(a) IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT;

(b) WARRANTIES ARISING FROM COURSE OF DEALING, USAGE, OR TRADE PRACTICE;

(c) WARRANTIES THAT THE SOFTWARE WILL BE UNINTERRUPTED, ERROR-FREE, SECURE, OR FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS;

(d) WARRANTIES THAT ANY DEFECTS WILL BE CORRECTED;

(e) WARRANTIES REGARDING THE ACCURACY, RELIABILITY, OR COMPLETENESS OF ANY AI OUTPUT.

6.2. AI Limitations

You acknowledge and agree that:

(a) AI technology has inherent limitations and may produce incorrect, biased, offensive, or harmful output;

(b) AI-generated code may contain bugs, security vulnerabilities, or may not function as intended;

(c) The Software is not a substitute for professional judgment, expertise, or advice;

(d) You should not rely solely on AI Output for critical decisions or applications.

6.3. Third-Party Services

STUDIO TATSU MAKES NO WARRANTIES OR REPRESENTATIONS WITH RESPECT TO ANY THIRD-PARTY AI SERVICES OR OTHER THIRD-PARTY PRODUCTS OR SERVICES. YOUR USE OF THIRD-PARTY SERVICES IS AT YOUR OWN RISK AND SUBJECT TO THE TERMS OF THOSE THIRD PARTIES.

6.4. No Professional Advice

The Software and any AI Output do not constitute professional advice (including but not limited to legal, medical, financial, or security advice). Do not rely on the Software or AI Output for decisions that require professional expertise.

7. Limitation of Liability

7.1. Exclusion of Damages

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL STUDIO TATSU, ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, AFFILIATES, SUCCESSORS, SUPPLIERS, OR LICENSORS BE LIABLE FOR ANY:

(a) INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, PUNITIVE, OR EXEMPLARY DAMAGES;

(b) DAMAGES FOR LOSS OF PROFITS, REVENUE, DATA, GOODWILL, BUSINESS OPPORTUNITIES, OR OTHER INTANGIBLE LOSSES;

(c) DAMAGES ARISING FROM YOUR USE OR INABILITY TO USE THE SOFTWARE, THIRD-PARTY AI SERVICES, OR AI OUTPUT;

(d) DAMAGES ARISING FROM UNAUTHORIZED ACCESS TO OR ALTERATION OF YOUR CONTENT OR TRANSMISSIONS;

(e) DAMAGES ARISING FROM ANY THIRD-PARTY CONDUCT OR CONTENT;

WHETHER BASED ON WARRANTY, CONTRACT, TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY, OR ANY OTHER LEGAL THEORY, EVEN IF STUDIO TATSU HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

7.2. Liability Cap

TO THE EXTENT PERMITTED BY APPLICABLE LAW, STUDIO TATSU'S TOTAL CUMULATIVE LIABILITY FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SOFTWARE SHALL NOT EXCEED FIFTY U.S. DOLLARS ($50.00).

7.3. Essential Purpose

THE LIMITATIONS IN THIS SECTION 7 SHALL APPLY EVEN IF ANY LIMITED REMEDY FAILS OF ITS ESSENTIAL PURPOSE. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR LIMITATION OF CERTAIN DAMAGES, SO SOME OF THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU.

8. Indemnification

You agree to defend, indemnify, and hold harmless Studio Tatsu and its officers, directors, employees, agents, affiliates, successors, and assigns from and against any and all claims, damages, obligations, losses, liabilities, costs, and expenses (including reasonable attorneys' fees) arising from:

(a) Your use of the Software or Third-Party AI Services;

(b) Your Content or any use thereof;

(c) Your violation of these Terms;

(d) Your violation of any applicable law or regulation;

(e) Your violation of any third-party rights, including intellectual property rights, privacy rights, or publicity rights;

(f) Any claim that Your Content caused damage to a third party.

9.1. Respect for Intellectual Property

Studio Tatsu respects the intellectual property rights of others and expects users to do the same. If you believe that any content available through the Software infringes your copyright, please send a written notice to:

Email: security@tatsu.ai

9.2. DMCA Notice Requirements

Your notice must include:

(a) A physical or electronic signature of the copyright owner or authorized representative;

(b) Identification of the copyrighted work claimed to be infringed;

(c) Identification of the allegedly infringing material and information reasonably sufficient to locate it;

(d) Your contact information (address, telephone number, email);

(e) A statement that you have a good faith belief that use of the material is not authorized by the copyright owner, its agent, or the law;

(f) A statement, under penalty of perjury, that the information in the notice is accurate and that you are authorized to act on behalf of the copyright owner.

10. Export Controls

The Software may be subject to export control laws and regulations, including those of the United States. You represent and warrant that you:

(a) Are not located in, organized under the laws of, or a resident of any country subject to U.S. trade sanctions or embargoes;

(b) Are not identified on any U.S. government restricted party list;

(c) Will not use the Software in violation of any applicable export control laws or regulations;

(d) Will not export, re-export, or transfer the Software to any prohibited destination, entity, or person.

11. Term and Termination

11.1. Term

These Terms are effective from the date you first download, install, or use the Software and continue until terminated.

11.2. Termination by You

You may terminate these Terms at any time by uninstalling the Software and ceasing all use.

11.3. Termination by Studio Tatsu

Studio Tatsu may terminate or suspend your license at any time, with or without cause, and with or without notice. Without limiting the foregoing, Studio Tatsu may terminate your license if you breach any provision of these Terms.

11.4. Effects of Termination

Upon termination:

(a) All licenses granted to you under these Terms shall immediately terminate;

(b) You must immediately cease all use of the Software;

(c) You must uninstall and delete all copies of the Software from your devices.

11.5. Survival

Sections 3.4, 3.5, 4, 6, 7, 8, 9, 10, 11.4, 11.5, 12, and 13 shall survive any termination or expiration of these Terms.

12. Dispute Resolution

12.1. Governing Law

These Terms and any dispute arising out of or relating to these Terms or the Software shall be governed by and construed in accordance with the laws of the State of Alabama, United States, without regard to its conflict of laws principles.

12.2. Jurisdiction

You agree to submit to the personal and exclusive jurisdiction of the state and federal courts located in Madison County, Alabama, for any disputes arising out of or relating to these Terms or the Software.

12.3. Informal Resolution

Before initiating any formal dispute resolution, you agree to first contact us at security@tatsu.ai to attempt to resolve any dispute informally. We will attempt to resolve the dispute through good faith negotiations for at least thirty (30) days.

12.4. Class Action Waiver

TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, YOU AGREE THAT ANY DISPUTE RESOLUTION PROCEEDINGS WILL BE CONDUCTED ON AN INDIVIDUAL BASIS AND NOT IN A CLASS, CONSOLIDATED, OR REPRESENTATIVE ACTION.

13. General Provisions

13.1. Entire Agreement

These Terms, together with our Privacy Policy and any other documents incorporated by reference, constitute the entire agreement between you and Studio Tatsu regarding the Software and supersede all prior agreements, understandings, and communications.

13.2. Severability

If any provision of these Terms is held to be invalid, illegal, or unenforceable, the remaining provisions shall continue in full force and effect. The invalid provision shall be modified to the minimum extent necessary to make it valid and enforceable while preserving its intent.

13.3. Waiver

The failure of Studio Tatsu to enforce any right or provision of these Terms shall not constitute a waiver of such right or provision.

13.4. Assignment

You may not assign or transfer these Terms or any rights or obligations hereunder without Studio Tatsu's prior written consent. Studio Tatsu may freely assign these Terms without restriction.

13.5. No Third-Party Beneficiaries

These Terms do not create any third-party beneficiary rights.

13.6. Notices

Studio Tatsu may provide notices to you through the Software, via email, or by posting on our website. You may provide notices to Studio Tatsu at security@tatsu.ai.

13.7. Force Majeure

Studio Tatsu shall not be liable for any delay or failure to perform resulting from causes outside its reasonable control, including but not limited to acts of God, natural disasters, war, terrorism, riots, embargoes, acts of civil or military authorities, fire, floods, accidents, strikes, or shortages of transportation, facilities, fuel, energy, labor, or materials.

13.8. Modifications to Terms

Studio Tatsu reserves the right to modify these Terms at any time. We will provide notice of material changes by updating the "Last Updated" date at the top of these Terms and, where appropriate, through the Software or our website. Your continued use of the Software after such modifications constitutes your acceptance of the modified Terms.

14. Contact Information

If you have any questions about these Terms, please contact us:

Studio Tatsu, LLC

By using TatsuCode, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service.