I found that the last time this talk was posted on HN [0], the author of tree-sitter mentioned that a couple of language servers are indeed using tree-sitter.

I found that the last time this talk was posted on HN [0], the author of tree-sitter mentioned that a couple of language servers are indeed using tree-sitter. * Bash - https://github.com/mads-hartmann/bash-language-server https://github.com/mads-hartmann/bash-language-server * Ruby - https://github.com/rubyide/vscode-ruby/tree/master/server https://github.com/rubyide/vscode-ruby/tree/master/server [0] https://news.ycombinator.com/item?id=18213022 https://news.ycombinator.com/item?id=18213022