MCP tool descriptions: overview, examples, and best practices

The text provides an overview of Model Context Protocol (MCP) tool descriptions, emphasizing the importance of concise and clear descriptions to help AI agents select the appropriate tools for various tasks. These descriptions typically include a brief explanation of the tool's function and any operational details necessary for its use, although such specifics are ideally placed within the tool's schema. The narrative highlights best practices for writing effective tool descriptions, such as front-loading important information and testing descriptions using tools like Merge Agent Handler to ensure they lead to correct tool selection. Merge is presented as a platform that not only offers numerous tools with high-quality descriptions but also manages customer integrations, supporting AI adoption across engineering without compromising security.

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