# What is Sentinel? > *"Lurking in the wastelands of the real world, the Sentinels patrol with a relentless, cold precision." ― The Matrix* Sentinel Codes is an automation-first technology provider, aimed at optimizing DeFi liquidity and yield strategies through our state-of-the-art and proprietary algorithmic solutions. Sentinel was born from the collaboration between DeFi, TradFi, and Machine Learning professionals, with decades of combined expertise in quantitative trading, micro-market structure, and risk analysis. Our automations: **The Sentinels** provide fully customizable, hands-off, automated solution to execute and optimize yields within DeFi Vault strategies, as well as to rebalance and grow liquidity depth in Defi markets. All our Sentinels are designed to enhance the capital efficiency of DeFi assets, while maintaining a strong alignment with the core ethos of Web3, including providing robust trustlessness and self-custody guarantees. *** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://sentinel-7.gitbook.io/sentinel-codes/intro/what-is-sentinel.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.