By accessing or using SeriousLetter (the "Service"), available at seriousletter.com and jobs.seriousletter.com, you agree to be bound by these Terms of Service ("Terms"). These Terms form a legally binding agreement between you and Matthias Nott ("Operator", "we", "us", or "our").
If you do not agree to these Terms, you must not use the Service. If you are using the Service on behalf of an organization, you represent that you have authority to bind that organization to these Terms.
These Terms apply to all users of the Service, including users of the free tier and all paid subscription tiers, as well as users accessing the Service through the MCP API.
SeriousLetter is a web-based job application management platform that provides:
AI features are powered by Anthropic's Claude API. Token usage for AI operations is metered and billed through Stripe's AI Gateway infrastructure. The platform is accessible via standard web browsers; no installation is required.
We reserve the right to modify, suspend, or discontinue any aspect of the Service at any time with reasonable notice. We will endeavor to provide at least 30 days' notice for material changes that affect paid subscribers.
Access to the Service requires an account. You may register using LinkedIn OAuth authentication. By using LinkedIn OAuth, you authorize us to retrieve your name and email address from LinkedIn for the purpose of creating and identifying your account. We do not receive your LinkedIn password.
You agree to:
You must be at least 16 years old to create an account. Accounts may not be shared between multiple individuals. One person may not maintain multiple active accounts to circumvent plan limits.
SeriousLetter offers the following subscription tiers:
AI Token Billing
AI operations (cover letter generation, CV optimization, chat conversations, pipeline execution) consume tokens that are billed separately from your base subscription fee. Token usage is metered by Stripe's AI Gateway and billed at cost. You will see a transparent breakdown of token usage and cost in your billing dashboard. Token charges are in addition to, and independent of, your monthly subscription fee.
All billing is processed by Stripe. By providing payment information, you authorize Stripe to charge your payment method for your subscription fee and any applicable AI token usage on a monthly basis. We do not store your payment card details on our servers.
Auto-Renewal and Cancellation
Subscriptions renew automatically at the end of each billing cycle. You may cancel your subscription at any time from your account settings. Cancellation takes effect at the end of the current billing period; you retain access to paid features until that date. We do not provide refunds for partial billing periods, except as required by applicable law.
We reserve the right to adjust subscription prices with at least 30 days' written notice to the email address on your account. Continued use of the Service after a price change takes effect constitutes acceptance of the new price.
Paid subscribers (Starter, Professional, and Unlimited tiers) may access the
SeriousLetter API using personal API tokens. The API is available at
https://jobs.seriousletter.com/api/v1/.
Rate Limits
API access is subject to rate limits of 100 requests per minute and 1,000 requests per day per API token. These limits exist to protect service availability for all users. Exceeding rate limits will result in temporary blocking of further requests. Persistent abuse of rate limits may result in account suspension.
MCP Server
SeriousLetter provides an open-source Model Context Protocol (MCP) server, published on npm and GitHub at github.com/mnott/SeriousLetter-MCP. The MCP server is a client-side tool that connects your AI assistant (such as Claude Code) to the SeriousLetter API using your personal API token. Use of the MCP server is subject to these Terms and to the license terms of the open-source repository.
Acceptable API Use
We reserve the right to revoke API access for violations of these Terms without prior notice.
"User Content" means any content you submit to the Service, including CVs, work history, skills, job descriptions, company information, cover letters, chat messages, notes, and application data.
You retain full ownership of your User Content. We do not claim any ownership rights over the content you create or upload.
By submitting User Content, you grant us a limited, non-exclusive, worldwide license to store, process, and transmit your User Content solely for the purpose of providing the Service to you. This includes transmitting relevant portions of your User Content to Anthropic's API for AI processing when you use AI features.
You represent that you have all necessary rights to submit your User Content, and that your User Content does not violate any law or third-party rights. You must not submit content that contains personal data of third parties without an appropriate legal basis.
You may delete your User Content at any time from within the Service. Account deletion removes all associated User Content from our systems within 30 days, subject to any retention obligations described in our Privacy Policy.
The Service uses Anthropic's Claude AI to generate cover letters, CV suggestions, chat responses, skill analyses, and other content. The following terms apply to all AI-generated content:
You own any cover letters or other content you generate using the Service, subject to Anthropic's usage policies for API outputs.
You agree not to use the Service to:
We reserve the right to investigate suspected violations and to suspend or terminate accounts involved in violations of these policies, with or without notice depending on the severity of the violation.
The Service, including its software, design, visual elements, trademarks, and documentation (excluding User Content and AI-generated output), is owned by Matthias Nott and protected by applicable intellectual property laws.
We grant you a limited, non-exclusive, non-transferable, revocable license to use the Service for your personal job application purposes in accordance with these Terms. This license does not include any right to sublicense, sell, resell, or otherwise exploit the Service for commercial purposes beyond your personal use.
The open-source MCP server is licensed under the terms published in its GitHub repository. Those terms govern your use of the MCP server source code.
THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
We do not warrant that the Service will be uninterrupted, error-free, or free of viruses or other harmful components. We do not warrant that AI-generated content will meet your expectations or be suitable for your specific needs.
We are not responsible for the accuracy, completeness, or suitability of job listings or employer information that may be imported into the Service from third-party sources.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL MATTHIAS NOTT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, DATA, OR BUSINESS OPPORTUNITIES, ARISING OUT OF OR IN CONNECTION WITH THE SERVICE OR THESE TERMS.
OUR TOTAL AGGREGATE LIABILITY TO YOU FOR ANY CLAIM ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE SHALL NOT EXCEED THE GREATER OF (A) THE TOTAL FEES YOU PAID TO US IN THE TWELVE (12) MONTHS IMMEDIATELY PRECEDING THE EVENT GIVING RISE TO THE CLAIM, OR (B) ONE HUNDRED SWISS FRANCS (CHF 100).
Some jurisdictions do not allow the exclusion or limitation of certain damages. In such jurisdictions, our liability shall be limited to the maximum extent permitted by applicable law.
You agree to indemnify, defend, and hold harmless Matthias Nott from and against any claims, liabilities, damages, losses, costs, and expenses (including reasonable legal fees) arising out of or in any way connected with:
You may terminate your account at any time by requesting deletion through the account settings or by contacting support@seriousletter.com.
We may suspend or terminate your account if you violate these Terms, fail to pay applicable fees, or if we are required to do so by law. We will provide reasonable notice before termination except where immediate action is required due to a serious violation.
Data Upon Termination
Upon account deletion, you have a 30-day grace period during which you may request an export of your data. After the grace period, your data will be permanently deleted from our active systems within 30 days. Backup copies may persist for a limited additional period before being overwritten. Billing records are retained for as long as required by applicable law.
The following sections survive termination: Section 6 (User Content, as it relates to content already processed), Section 9 (Intellectual Property), Section 10 (Disclaimer of Warranties), Section 11 (Limitation of Liability), Section 12 (Indemnification), and Section 15 (Governing Law).
We may update these Terms from time to time. When we make material changes, we will notify you by email to the address on your account and by posting a notice in the Service at least 14 days before the changes take effect.
Your continued use of the Service after the effective date of updated Terms constitutes your acceptance of the changes. If you do not agree to the updated Terms, you must stop using the Service and may request account deletion.
These Terms are governed by and construed in accordance with the laws of Switzerland, without regard to its conflict of law principles. The United Nations Convention on Contracts for the International Sale of Goods does not apply.
Any dispute arising from these Terms or the Service shall be subject to the exclusive jurisdiction of the competent courts of the Canton of Valais, Switzerland. If you are a consumer in the European Union, you may also have the right to bring a claim before the courts of your country of residence.
Nothing in this section limits your rights under any mandatory consumer protection laws applicable in your jurisdiction.
If any provision of these Terms is found to be invalid, illegal, or unenforceable by a court of competent jurisdiction, that provision shall be modified to the minimum extent necessary to make it enforceable. The remaining provisions shall continue in full force and effect.
Our failure to enforce any right or provision of these Terms shall not constitute a waiver of that right or provision.
If you have questions or concerns about these Terms, please contact us: