Simple MCP Tools and Gemini-CLI

Summary

Today I'm checking how gemini-cli can help me to create a simple app to analyze relevant entries in my diary and to give me an overview of major themes mentioned in the entries. The app should be able to handle 2 use cases:

• Use case "look up the diary": I search for a specific term in my diary and the app finds all entries containing the search phrase, then analyzes the content and spits out the themes to the terminal
• Use case "analyze x last months": I instruct the app to analyze the content of my diary for the last X months and ask it to provide major themes in those entries

I will be creating an MCP server using fastmcp to host the tools that will read entries of my diary (made with Obsidian). The diary is a collection of markdown files.

Use case: look up the diary

The agent could select a suitable tool for each task in the prompt and complete the tasks. Worth mentioning that in the implementation of the search_diary_tool I used ripgrep utility to search for a pattern provided in the prompt (<smth> in the diagram above).

Use case: analyze x last months

Thoughts

Source code: agent-0511