I use Coding tools daily and got tired of it describing code by line numbers. So I built an MCP server that lets the agent control my Neovim instance instead: opening files, highlighting lines, adding annotations, splitting views.
The tool I actually wanted was "walkthrough mode": I ask the agent to walk me through a PR, it opens each file, highlights what matters, explains briefly, and waits for my questions. Turns code review into pair programming where the agent points at the screen.
It also works passively — while the agent investigates a bug or reads code, my Neovim follows along so I can see what it's looking at.
Built with pynvim, talks to Neovim via --listen socket. Works with any MCP client.
https://github.com/kcaldas/vim-navigator
Comments URL: https://news.ycombinator.com/item?id=47655128
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