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  "astro": "https://raw.githubusercontent.com/withastro/language-tools/main/packages/vscode/package.json",
  "awkls": "https://raw.githubusercontent.com/Beaglefoot/awk-language-server/master/client/package.json",
  "bashls": "https://raw.githubusercontent.com/bash-lsp/bash-language-server/master/vscode-client/package.json",
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  "denols": "https://raw.githubusercontent.com/denoland/vscode_deno/main/package.json",
  "elixirls": "https://raw.githubusercontent.com/elixir-lsp/vscode-elixir-ls/master/package.json",
  "elmls": "https://raw.githubusercontent.com/elm-tooling/elm-language-client-vscode/master/package.json",
  "eslint": "https://raw.githubusercontent.com/microsoft/vscode-eslint/main/package.json",
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  "grammarly": "https://raw.githubusercontent.com/znck/grammarly/main/extension/package.json",
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  "lua_ls": "https://raw.githubusercontent.com/LuaLS/vscode-lua/master/package.json",
  "luau_lsp": "https://raw.githubusercontent.com/JohnnyMorganz/luau-lsp/main/editors/code/package.json",
  "nickel_ls": "https://raw.githubusercontent.com/tweag/nickel/master/lsp/client-extension/package.json",
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  "sorbet": "https://raw.githubusercontent.com/sorbet/sorbet/master/vscode_extension/package.json",
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  "spectral": "https://raw.githubusercontent.com/stoplightio/vscode-spectral/master/package.json",
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  "svlangserver": "https://raw.githubusercontent.com/eirikpre/VSCode-SystemVerilog/master/package.json",
  "tailwindcss": "https://raw.githubusercontent.com/tailwindlabs/tailwindcss-intellisense/master/packages/vscode-tailwindcss/package.json",
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  "zls": "https://raw.githubusercontent.com/zigtools/zls-vscode/master/package.json"
}

Thanks @donus3. I'll no longer maintain this gist as this has been moved to the package spec in https://github.com/mason-org/mason-registry instead. FYI @tamago324 @folke, you might want to source this elsewhere.