lspkit is the language server toolkit: write your language analysis once in Rust, serve it over LSP and as an MCP server, and profile it with a CPU and memory profiler built into VS Code. 2026-10-31T00:00:00.000Z https://lspkit.dev/ https://lspkit.dev/blog/one-engine/ 2026-10-31T00:00:00.000Z 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How to give Claude Code, Cursor and Codex the same live code intelligence as your VS Code extension, with one Rust engine behind an MCP server and a language server.