Terms of Service

At a glance

Here are the five things you most need to know. The full terms below contain the complete picture.

The agreement

These Terms of Service ("Terms") form a binding agreement between you and the entity operating CAS ("CAS", "we", "us", "our"). By downloading, installing, or using any part of the service, you agree to these Terms. If you are using CAS on behalf of an organization, you represent that you have authority to bind that organization.

"You" means the individual or organization accessing the service. "The service" means:

• The CAS desktop application for macOS (and Linux and Windows when available).
• The cas.dev website and any web-based account management surfaces.
• Your CAS account, including the GitHub OAuth identity used to authenticate.
• Optional cloud sync features that store your configuration (rules, skills, templates, routing) on our infrastructure on your behalf.

The service does not include third-party model providers such as Anthropic or OpenAI. Those are separate services governed by their own terms.

Beta

CAS is currently in public beta. This means the product is actively being developed. You should expect:

• Breaking changes to the CLI, API, configuration format, and data model.
• Occasional unavailability of cloud account features.
• Data loss in rare cases, particularly for cloud-synced configuration.
• Features to be added, changed, or removed without prior notice.

We do not offer a service-level agreement (SLA) during the beta period. The service is provided on a best-effort basis. We will try to announce breaking changes in the changelog and via in-application notices, but we cannot guarantee advance warning for all changes.

Using CAS in beta is entirely at your own risk. You should not run it as the sole control plane for production systems in a way that would be critically harmed by an outage or breaking change.

Your account

To use CAS you create an account authenticated via GitHub OAuth. When you do, you agree to the following:

• Eligibility. You must be at least 16 years old, or the minimum age of digital consent in your jurisdiction if that is higher. By creating an account you represent that you meet this requirement.
• Accuracy. Your account is tied to your GitHub identity. You are responsible for keeping that identity accurate and for any activity that occurs under your account.
• Security. Keep your credentials and any API keys you configure in CAS secure. Notify us immediately at hello@cas.dev if you believe your account has been compromised.
• One account per person. Personal licenses are issued one per individual. Automated mass account creation is prohibited.

License to use CAS

Subject to your compliance with these Terms and any applicable paid plan, we grant you a limited, non-exclusive, non-transferable, non-sublicensable license to install and run the CAS desktop application on devices you own or control, solely for your own internal use, for the number of seats associated with your account.

CAS is proprietary software. The following are prohibited:

• Redistributing, selling, sublicensing, or otherwise transferring the application or your license to any third party.
• Reverse engineering, decompiling, disassembling, or otherwise attempting to derive source code from the application, except to the limited extent expressly permitted by applicable law and only after notifying us in writing.
• Removing, altering, or obscuring any proprietary notices, trademarks, or copyright legends within the application.
• Using the application, or any substantial portion of its design or functionality, to develop a product or service that competes with CAS.
• Circumventing any license enforcement or account-entitlement mechanisms in the application.

All rights not expressly granted are reserved. CAS and its licensors retain all intellectual property rights in the application.

Your content and IP

You retain full ownership of your code, prompts, agent transcripts, generated outputs, and any other content you create or that is created on your behalf by agents running on your machine ("Your Content").

By using optional cloud sync features, you grant CAS a limited, non-exclusive, worldwide license to store, transmit, and serve back to you the configuration you elect to sync (rules, skills, templates, routing). This license exists solely to operate the sync service on your behalf and for no other purpose.

We do not:

• Claim ownership over anything you produce with CAS.
• Use your code, prompts, transcripts, or outputs to train any machine learning models.
• Sell or share Your Content with third parties except as required to operate the service or as required by law.

The application runs entirely on your device. Agent interactions with model providers (such as Anthropic or OpenAI) go directly from your machine to those providers. CAS does not route, intercept, or store those interactions on our infrastructure.

Third-party services

CAS integrates with third-party AI model providers including, but not limited to, Anthropic and OpenAI. When your agents call these providers, you are using those services directly and are solely responsible for:

• Complying with each provider's terms of service and acceptable-use policies.
• All costs, fees, and charges incurred with those providers.
• Any consequences of provider outages, rate limits, policy changes, or deprecations.

CAS is not affiliated with, endorsed by, or responsible for any third-party AI provider. We are not liable for outages, inaccurate outputs, policy enforcement actions, or other events attributable to those services. You should review the terms of each provider you configure.

Acceptable use

You may use CAS only for lawful purposes. The following uses are expressly prohibited:

• Attacking, probing, scanning, or otherwise interfering with systems, networks, or services that you do not own or have explicit written permission to test.
• Using CAS to direct agents to bypass, circumvent, or undermine the safety measures, usage policies, or content filters of any model provider.
• Creating automated scripts to register or operate multiple accounts, or to abuse any free-tier limits.
• Using CAS for any purpose that violates applicable law, including laws governing privacy, data protection, export controls, and intellectual property.
• Exporting or re-exporting the application to any country, individual, or entity subject to applicable trade sanctions or embargoes, including OFAC-administered programs.
• Using CAS to generate, store, or distribute content that is unlawful, defamatory, harassing, or that infringes third-party intellectual property rights.

We may investigate suspected violations and may suspend or terminate accounts where we have reasonable grounds to believe a violation has occurred.

Fees and billing

Beta period

CAS is currently free to use during the public beta. We will provide reasonable advance notice before introducing paid plans.

Paid plans

When paid plans are introduced, the following terms will apply:

• Licenses are billed per seat, on a monthly or annual basis, processed via our payment provider.
• Applicable taxes (including VAT, GST, and sales tax) will be added to your invoice where required by law.
• Annual subscriptions are eligible for a pro-rata refund of unused whole months remaining at the time of cancellation, applied as account credit or returned to your original payment method at our discretion.
• Monthly subscriptions and partial months are non-refundable by default. Exceptions may be made at our reasonable discretion for demonstrable billing errors.
• If a payment fails, we will attempt to notify you via the email associated with your account. Access may be suspended after a grace period of [PLACEHOLDER: e.g., 10 days] following a missed payment.

Termination

By you

You may stop using CAS and delete your account at any time through your account settings. Deletion will remove your account data from our systems, including cloud-synced configuration, after a grace period of [PLACEHOLDER: e.g., 30 days]. Data stored locally on your device is unaffected.

By us

We may suspend or terminate your access to the service, with or without prior notice, if you:

• Materially breach these Terms and fail to cure within a reasonable period after notice.
• Commit fraud or misrepresent your identity or organization.
• Engage in conduct that we determine, at our reasonable discretion, to constitute abuse of the service.
• Fail to pay amounts owed under a paid plan after the applicable grace period.

Effect of termination

Upon termination, your license to use CAS ends immediately. Cloud-synced configuration will be queued for deletion after the grace period stated above. Sections of these Terms that by their nature should survive (including Your Content and IP, Warranties and Disclaimers, Limitation of Liability, Indemnification, and Governing Law) will remain in effect.

Warranties and disclaimers

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED.

WE EXPRESSLY DISCLAIM ALL WARRANTIES INCLUDING, WITHOUT LIMITATION:

• Any implied warranty of merchantability or fitness for a particular purpose.
• Any warranty that the service will be uninterrupted, error-free, or free of harmful components.
• Any warranty regarding the accuracy, completeness, or reliability of outputs generated by agents running within CAS.
• Any warranty that defects will be corrected or that the service will meet your specific requirements.

Some jurisdictions do not allow the exclusion of implied warranties. To the extent such laws apply, the above exclusions may not apply to you in full.

Limitation of liability

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT WILL CAS, ITS AFFILIATES, OFFICERS, EMPLOYEES, AGENTS, OR LICENSORS BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL DAMAGES — INCLUDING LOSS OF PROFITS, DATA, BUSINESS, OR GOODWILL — ARISING OUT OF OR IN CONNECTION WITH THESE TERMS OR YOUR USE OF THE SERVICE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, THE TOTAL AGGREGATE LIABILITY OF CAS FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE IS LIMITED TO THE GREATER OF: (A) THE TOTAL FEES YOU PAID TO CAS IN THE TWELVE MONTHS IMMEDIATELY PRECEDING THE EVENT GIVING RISE TO THE CLAIM, OR (B) ONE HUNDRED US DOLLARS ($100).

These limitations apply regardless of the theory of liability — whether based in contract, tort, negligence, strict liability, or otherwise — and even if the limited remedy fails of its essential purpose. Some jurisdictions do not allow certain limitations of liability; in those jurisdictions the limitations above apply to the fullest extent permitted by law.

Indemnification

You agree to indemnify, defend, and hold harmless CAS and its affiliates, officers, employees, agents, and licensors from and against any claims, liabilities, damages, judgments, awards, losses, costs, and expenses (including reasonable legal fees) arising out of or relating to:

• Your violation of these Terms.
• Your use of the service in a manner that violates applicable law.
• Your violation of the terms of any third-party model provider you configure within CAS.
• Any content you direct agents to generate, transmit, or store that infringes third-party intellectual property rights or applicable law.

Changes to these terms

We may update these Terms from time to time. The date at the top of this page reflects when they were last revised.

For material changes — those that meaningfully affect your rights or obligations — we will provide at least 14 days' advance notice via an in-application notification and, where we hold your email address, via email to the address associated with your account.

If you continue to use the service after a revised version of the Terms takes effect, you accept the revised Terms. If you do not agree to the updated Terms, you should stop using the service and may delete your account before the effective date.

For minor changes — such as clarifications, typographical corrections, or updated contact information — we may update these Terms without advance notice.

Governing law and disputes

These Terms and any dispute arising from them are governed by the laws of [Jurisdiction — TBD], without regard to its conflict-of-law principles.

Before initiating any formal proceeding, both parties agree to attempt informal resolution in good faith. If you have a dispute, contact us at hello@cas.dev with a description of the issue. We will attempt to respond within 10 business days.

Where enforceable under applicable law, any unresolved dispute will be submitted to binding individual arbitration rather than decided by a court. Class actions and class-wide arbitrations are waived to the maximum extent permitted by law.

Nothing in this section prevents either party from seeking injunctive or other equitable relief in a court of competent jurisdiction to protect intellectual property rights or to prevent immediate harm.

Contact

Questions about these Terms, requests related to your account or data, or reports of suspected abuse should be directed to: