Terms of Service
Last updated: March 2026
1. Acceptance of Terms
By accessing or using taxmcp.io (the "Service"), including our website, MCP server, and REST API, you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, you may not access or use the Service.
These Terms constitute a legally binding agreement between you and taxmcp.io. Your continued use of the Service following any modifications to these Terms constitutes acceptance of those changes.
2. Description of Service
taxmcp.io provides AI-powered tax code research through both a Model Context Protocol (MCP) server and a REST API. The Service enables programmatic access to federal tax law sources including, but not limited to:
- The Internal Revenue Code (IRC)
- Treasury Regulations
- IRS Publications
- Revenue Rulings
Data sources are exclusively official U.S. government publications. The Service uses semantic search and indexing technology to return relevant, citation-level results from these public domain sources.
3. Account Terms
You must be at least 18 years old to use the Service. The free tier of the Service may be used without creating an account. Paid plans require you to register an account and provide accurate, complete information.
You are responsible for safeguarding your API keys, passwords, and any other credentials used to access the Service. You must not share your credentials with third parties. You are solely responsible for all activity that occurs under your account.
You must notify us immediately at if you become aware of any unauthorized use of your account or credentials.
4. Acceptable Use
You agree to use the Service only for lawful purposes and in accordance with these Terms. You specifically agree not to:
- Scrape, crawl, or use automated means to access the Service beyond the provided API and MCP interfaces
- Redistribute bulk data obtained from the Service, or build a competing product using our indexed data
- Use the Service for any illegal purpose or in violation of any applicable laws or regulations
- Attempt to circumvent rate limits, authentication mechanisms, or other technical restrictions
- Interfere with or disrupt the integrity or performance of the Service
Rate limits apply to all plans, including the free tier. Exceeding your plan's rate limits may result in throttling or temporary suspension of access.
5. Intellectual Property
The underlying tax code data, including the Internal Revenue Code, Treasury Regulations, IRS Publications, and Revenue Rulings, is in the public domain and is not subject to copyright protection.
Our search algorithms, indexing technology, API design, user interface, documentation, and all other original works created by taxmcp.io are proprietary and protected by applicable intellectual property laws. You may not copy, modify, or reverse-engineer any proprietary component of the Service.
API responses may include public domain content sourced from federal government publications. You are free to use such public domain content in accordance with applicable law.
6. Disclaimers
The Service is NOT legal advice or tax advice.
taxmcp.io is a research tool designed to help users locate and reference federal tax law sources. The results provided by the Service are for informational and research purposes only. You should always consult a qualified tax professional, CPA, or attorney before making any tax-related decisions.
The Service and all data are provided on an "as-is" and "as-available" basis, without warranties of any kind, either express or implied. We do not warrant that the Service will be uninterrupted, error-free, or that any data returned will be complete, current, or accurate.
While we strive to keep our indexed data up-to-date with official government sources, there may be delays between when tax law changes take effect and when those changes are reflected in our Service.
7. Limitation of Liability
To the maximum extent permitted by applicable law, taxmcp.io and its officers, directors, employees, and agents shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits or revenue, whether incurred directly or indirectly, or any loss of data, use, goodwill, or other intangible losses, resulting from:
- Your use of or inability to use the Service
- Any errors, inaccuracies, or omissions in the data provided by the Service
- Unauthorized access to or alteration of your data or transmissions
- Any other matter relating to the Service
In no event shall our aggregate liability exceed the greater of one hundred U.S. dollars (USD $100.00) or the amount you paid us in the twelve (12) months preceding the claim.
8. Termination
We reserve the right to suspend or terminate your access to the Service at any time, with or without notice, for conduct that we determine, in our sole discretion, violates these Terms, is harmful to other users or third parties, or is otherwise objectionable.
You may cancel your account and stop using the Service at any time. Upon cancellation of a paid plan, you will retain access through the end of your current billing period. All provisions of these Terms that by their nature should survive termination shall survive, including ownership provisions, warranty disclaimers, and limitations of liability.
9. Changes to Terms
We may revise these Terms from time to time. For material changes, we will provide at least thirty (30) days' notice before the updated Terms take effect, via email to the address associated with your account or through a prominent notice on the Service.
Your continued use of the Service after the effective date of any changes constitutes your acceptance of the revised Terms. If you do not agree to the updated Terms, you must stop using the Service.
10. Governing Law
These Terms shall be governed by and construed in accordance with the laws of the State of Delaware, without regard to its conflict of law provisions. Any legal action or proceeding arising under these Terms shall be brought exclusively in the federal or state courts located in the State of Delaware, and you hereby consent to the personal jurisdiction and venue of such courts.
11. Severability
If any provision of these Terms is found to be unenforceable or invalid, that provision shall be limited or eliminated to the minimum extent necessary, and the remaining provisions shall remain in full force and effect.
12. Contact
If you have any questions about these Terms of Service, please contact us at .