LSP has addressed the editor code nav problem, but not the "just works in my web browser across all my code and multiple revisions" problem or the "let me build on top of a structured representation of code to enhance all my dev tools" problem. LSP's sister protocol LSIF aims to address the indexed code nav use case, but Steve calls out some of its shortcomings in the post, and these motivated our development of a new protocol, SCIP: https://about.sourcegraph.com/blog/announcing-scip