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Connects Claude Code to the Intelephense PHP language server for code intelligence and diagnostics. Install intelephense globally with npm first. Official Anthropic plugin.

Connects Claude Code to rust-analyzer so the agent can go to definitions, find references and analyze symbols and call relationships in Rust code. Install rust-analyzer via rustup or a package manager first. Official Anthropic plugin.

Connects Claude Code to Shopify's Ruby LSP for code intelligence and analysis of .rb, .rake, .gemspec, .erb and other files. Needs Ruby 3.0+; run gem install ruby-lsp first. Official Anthropic plugin.

Connects Claude Code to a TypeScript/JavaScript language server for go-to-definition, find references and live type error checking. Install typescript-language-server globally first. Official Anthropic plugin.

Connects Claude Code to gopls, Go's official language server, for code intelligence, refactoring and analysis. Install gopls with go install and add Go's bin directory to PATH first. Official Anthropic plugin.

Connects Claude Code to the Pyright language server for static type checking and code intelligence in Python. Install pyright first with npm, pip or pipx. Official Anthropic plugin.

Gives coding agents IDE-like symbol-level code search, editing and refactoring via language servers (LSP) across 40+ languages, with cross-session memory. An optional paid JetBrains plugin backend adds breakpoint debugging. Install with uv first.

Third-party LSP plugin marketplace with 30+ language server plugins, including TypeScript, Python, Rust, Go, Java, C/C++, Vue, Svelte, Elixir and Haskell, covering more languages than the official set. Requires Claude Code 2.1.50+; install the language servers yourself.