Terms of Service

Effective: October 27, 2026

These Terms of Service (the “Terms”) set out the conditions for using Toy Box (the “Service”), provided by Yuhei FUJITA (the “Operator”). By using the Service, you agree to these Terms.

Article 1 (Scope)

These Terms apply to all use of the Service’s website (toy-box.dev), REST API (api.toy-box.dev) and MCP server (mcp.toy-box.dev), including use through AI assistants and other programs.

Article 2 (The Service)

  1. The Service is free and requires no registration.
  2. Within these Terms, you may call the REST API and MCP server automatically from programs.
  3. The Operator may add to, change, suspend or end the Service without prior notice to users.
  4. The Operator will endeavor not to make breaking changes to the REST API and MCP server within the same version (for example, /v1).

Article 3 (Your responsibilities)

  1. You must have the rights needed to process your input with the Service.
  2. You are responsible for checking and using the Service’s output at your own judgment.

Article 4 (Prohibited conduct)

When using the Service, you must not:

  1. Violate laws or public order and morals
  2. Infringe the rights or interests of the Operator or others
  3. Place excessive load on the Service, including sending large numbers of requests in a short time
  4. Access the Service without authorization or interfere with its operation
  5. Falsely suggest that the Operator provides, endorses or is affiliated with your product or service
  6. Encourage any of the above

Article 5 (Exclusion of antisocial forces)

  1. You represent and warrant that you are not, and will not become, an organized crime group, a member of one, a person for whom five years have not passed since ceasing to be a member, a quasi-member, a company affiliated with one, a corporate racketeer (sokaiya), a person extorting under the guise of social or political activism, a specialized intellectual crime group, or any similar person (collectively, “Antisocial Forces”), and that you have no relationship with Antisocial Forces that would be socially condemned.
  2. You must not, by yourself or through a third party, make violent demands or unjust demands beyond legal responsibility, use threatening words, conduct or violence, damage the Operator’s reputation or interfere with its business by spreading rumors or by fraudulent means, or do anything similar.
  3. If the Operator determines that you have violated either of the preceding paragraphs, it may suspend your use of the Service without prior notice, and is not liable for any damage you suffer as a result.

Article 6 (Restriction of use)

If you violate these Terms, or if the Operator considers it necessary to keep the Service running, the Operator may restrict your access to the Service without prior notice.

Article 7 (Intellectual property)

  1. Rights in the programs, design, text and other materials of the Service belong to the Operator or their rightful owners.
  2. The Operator claims no rights in your input or the output.

Article 8 (Disclaimer of warranties)

  1. The Operator makes reasonable efforts to keep the Service working correctly and securely, and endeavors to fix defects and security issues it becomes aware of.
  2. The Service is free and provided as is. The Operator does not go so far as to warrant that the Service or its output is accurate, complete or fit for a particular purpose, that it will be continuously available, or that it is free of defects.
  3. If you use the Service’s output for business-critical processing or anything affecting safety, check the results yourself.
  4. If you find a defect, please let us know through our contact channel.

Article 9 (Limitation of liability)

  1. The Operator is not liable for any damage you suffer in connection with the Service. This paragraph does not apply where the contract between the Operator and you regarding the Service is a consumer contract under the Consumer Contract Act of Japan.
  2. Even in the case of the proviso above, for damage caused by the Operator’s negligence (excluding gross negligence) through breach of obligation or tort, the Operator is liable only for ordinary and direct damage.

Article 10 (Third-party services)

AI assistants used with the Service and external services linked from it are governed by their providers’ terms. The Operator is not responsible for those services.

Article 11 (Privacy)

Our handling of information is described in the Privacy Policy.

Article 12 (Changes to these Terms)

The Operator may change these Terms under Article 548-4 of the Civil Code of Japan. Before a change takes effect, the Operator will announce the new Terms and their effective date on this page.

Article 13 (Governing law and jurisdiction)

  1. These Terms are governed by the laws of Japan. The district court with jurisdiction over the Operator’s place of residence has exclusive jurisdiction in the first instance over any dispute relating to the Service.
  2. If you are a consumer, the preceding paragraph does not deprive you of mandatory protections granted by the laws of your place of residence.

Article 14 (Severability)

If any provision of these Terms, or any part of one, is held invalid or unenforceable under applicable law, the rest of these Terms remains in effect.

Article 15 (Language)

The Japanese version of these Terms is the original. This English version is a translation; if they differ, the Japanese version prevails.

Contact

Operator: Yuhei FUJITA
Contact: https://toy-box.dev/support