vscode-langservers
claudeHTML and CSS language servers from VS Code
LSP
Plugin marketplace
Claude Code marketplace providing language server integrations across popular programming languages.
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Then install any plugin below by name — each page has its exact command.
HTML and CSS language servers from VS Code
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Ada/SPARK and GPR language server
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Lean 4 language server with per-file Lake project-root detection (lake serve, or lean --server for standalone files), elan toolchain discovery, multi-project and worktree routing, and bounded memory (Lean workers are closed when idle or past a cap). Bundles the lean-goal CLI for proof goals, candidate tactics and Mathlib-wide lemma search.
1 skill · LSP
Python language server using basedpyright with stricter type checking
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Bash language server (bash-lsp) providing IDE features for shell scripts
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BSL Language Server for 1C:Enterprise and OneScript
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LLVM-based language server for C and C++
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Dart language server for Claude Code, providing code intelligence for Dart and Flutter projects
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Elixir language server (ElixirLS) with definitions, references, hover, and symbols
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Gleam language server integration (bundled with the Gleam compiler)
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Official Go language server
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GraphQL language server for schema and operation intelligence
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Haskell language server with completion, references, type info, and document symbols
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Eclipse JDT Language Server for Java
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Julia language server using LanguageServer.jl
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Kotlin language server by JetBrains
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Language server for mdbase markdown collections
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Scala language server with rich IDE features
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OCaml language server (ocaml-lsp-server)
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Official .NET language server with rich C# support
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Perl language server (perl-lsp) with type inference, cross-file navigation, and framework intelligence
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Intelligent PHP completion and refactoring language server
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Full-featured PHP language server written in Rust — semantic diagnostics, code actions, refactoring, PSR-4/Composer, PHPUnit test runner
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Official PowerShell language server by Microsoft
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Python language server with excellent type checking
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Modern Ruby language server by Shopify
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Rust language server integration with rust-analyzer
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Fast Solidity language server powered by Foundry and solc
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Svelte language server integration
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Swift and Objective-C language server (sourcekit-lsp, macOS/Xcode)
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Official Terraform language server
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LaTeX language server with completion, references, and document symbols
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Official OpenTofu language server
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Extremely fast Python type checker by Astral
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TypeScript and JavaScript language server integration (using typescript-language-server)
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TypeScript and JavaScript language server integration (using vtsls)
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Vue.js language server integration (Volar)
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Shows how many plugins this repo ships, and links here.