{
  lib,
  stdenvNoCC,
  fetchurl,
  writeText,
}:

let
  # Helper to build an Obsidian plugin from pre-built GitHub release assets.
  # The home-manager module expects a package with manifest.json at the root.
  buildObsidianPlugin =
    {
      pname,
      version,
      owner,
      repo,
      mainJs,
      manifestJson,
      stylesCSS ? null,
      meta ? { },
    }:
    stdenvNoCC.mkDerivation {
      inherit pname version;

      dontUnpack = true;

      installPhase = ''
        mkdir -p $out
        cp ${mainJs} $out/main.js
        cp ${manifestJson} $out/manifest.json
      ''
      + lib.optionalString (stylesCSS != null) ''
        cp ${stylesCSS} $out/styles.css
      '';

      meta = {
        platforms = lib.platforms.all;
      }
      // meta;
    };

  # Helper to build an Obsidian theme.
  # Themes need manifest.json and theme.css at the root.
  buildObsidianTheme =
    {
      pname,
      version,
      themeCSS,
      manifestJson,
      meta ? { },
    }:
    stdenvNoCC.mkDerivation {
      inherit pname version;

      dontUnpack = true;

      installPhase = ''
        mkdir -p $out
        cp ${manifestJson} $out/manifest.json
        cp ${themeCSS} $out/theme.css
      '';

      meta = {
        platforms = lib.platforms.all;
      }
      // meta;
    };
in
{
  obsidian-linter = buildObsidianPlugin {
    pname = "obsidian-linter";
    version = "1.31.0";
    owner = "platers";
    repo = "obsidian-linter";
    mainJs = fetchurl {
      url = "https://github.com/platers/obsidian-linter/releases/download/1.31.0/main.js";
      sha256 = "19k38qlm4g6jw4baqidyjs64aw3vlm01v9gz1f1dpn828csz8xiv";
    };
    manifestJson = fetchurl {
      url = "https://github.com/platers/obsidian-linter/releases/download/1.31.0/manifest.json";
      sha256 = "0isjnpmsv6a0i1bj7rndwaafg5wp3ch7dxlvq49mbfw424dz76hm";
    };
    stylesCSS = fetchurl {
      url = "https://github.com/platers/obsidian-linter/releases/download/1.31.0/styles.css";
      sha256 = "1nr27i0lvmxdzvgkzm8qwbcb4h4zmvyarc9kqk3msi590n5m1kqc";
    };
    meta.description = "Formats and styles your notes with configurable linting rules";
  };

  quickadd = buildObsidianPlugin {
    pname = "quickadd";
    version = "2.11.0";
    owner = "chhoumann";
    repo = "quickadd";
    mainJs = fetchurl {
      url = "https://github.com/chhoumann/quickadd/releases/download/2.11.0/main.js";
      sha256 = "0my0zmk0yx1gls35rgn614m8zfbks962kd701fvb95xdvlqmdjc2";
    };
    manifestJson = fetchurl {
      url = "https://github.com/chhoumann/quickadd/releases/download/2.11.0/manifest.json";
      sha256 = "02ky8jj6z8anxmsgmnxcsmigg936ddhphbpf2ags3l3sr48ic5fw";
    };
    stylesCSS = fetchurl {
      url = "https://github.com/chhoumann/quickadd/releases/download/2.11.0/styles.css";
      sha256 = "1vrkwak5k7w8819viw0qdc2yl4p2kgs73xaykac0k2885wqxd0vp";
    };
    meta.description = "Quickly add new pages or content to your vault";
  };

  recent-files-obsidian = buildObsidianPlugin {
    pname = "recent-files-obsidian";
    version = "1.7.6";
    owner = "tgrosinger";
    repo = "recent-files-obsidian";
    mainJs = fetchurl {
      url = "https://github.com/tgrosinger/recent-files-obsidian/releases/download/1.7.6/main.js";
      sha256 = "0awn6r451apl1z46wdbr4s4npngd8cga2qyzyp36gfa7ykvsaajl";
    };
    manifestJson = fetchurl {
      url = "https://github.com/tgrosinger/recent-files-obsidian/releases/download/1.7.6/manifest.json";
      sha256 = "02q69wd16gygqr3z7bdzkk4qpi13d8w80jqr7ji7gam3mhs3s6ki";
    };
    stylesCSS = fetchurl {
      url = "https://github.com/tgrosinger/recent-files-obsidian/releases/download/1.7.6/styles.css";
      sha256 = "1nrxrcr0h2vrwxg0dj64f99yifvnlrxnyqh938i4if0bmf99rr1f";
    };
    meta.description = "List files by most recently opened";
  };

  periodic-notes = buildObsidianPlugin {
    pname = "periodic-notes";
    version = "0.0.17";
    owner = "liamcain";
    repo = "obsidian-periodic-notes";
    mainJs = fetchurl {
      url = "https://github.com/liamcain/obsidian-periodic-notes/releases/download/0.0.17/main.js";
      sha256 = "03lb3ydw5p6xh7gm642x8bzfvr93knpw653nzhv10gb9ff3a3wfc";
    };
    manifestJson = fetchurl {
      url = "https://github.com/liamcain/obsidian-periodic-notes/releases/download/0.0.17/manifest.json";
      sha256 = "17042hj7zrm7x4sldl0l95blpzlpbf13b4s8vb5kyfsxywir78mx";
    };
    stylesCSS = fetchurl {
      url = "https://github.com/liamcain/obsidian-periodic-notes/releases/download/0.0.17/styles.css";
      sha256 = "0f322kmq8h08amq22wgvi5lcwfkvzdpa9n155vnh0jf8sj2kjgv1";
    };
    meta.description = "Create/manage your daily, weekly, and monthly notes";
  };

  obsidian-vimrc-support = buildObsidianPlugin {
    pname = "obsidian-vimrc-support";
    version = "0.10.2";
    owner = "esm7";
    repo = "obsidian-vimrc-support";
    mainJs = fetchurl {
      url = "https://github.com/esm7/obsidian-vimrc-support/releases/download/0.10.2/main.js";
      sha256 = "1qkc9rrh92hy5cbm0vqy4zbgccn53f1cll220mg51wpf35776qv8";
    };
    manifestJson = fetchurl {
      url = "https://github.com/esm7/obsidian-vimrc-support/releases/download/0.10.2/manifest.json";
      sha256 = "0mnh4yz53zx7lsyqpl4zjy3sb48l5mb83qw9jayqxf4iwd5mmpmj";
    };
    meta.description = "Auto-load a startup file with Obsidian Vim commands";
  };

  obsidian-front-matter-title-plugin = buildObsidianPlugin {
    pname = "obsidian-front-matter-title-plugin";
    version = "3.13.1";
    owner = "Snezhig";
    repo = "obsidian-front-matter-title";
    mainJs = fetchurl {
      url = "https://github.com/Snezhig/obsidian-front-matter-title/releases/download/3.13.1/main.js";
      sha256 = "0azbj27xyx8g3n7iyc481ndp9q1nqh6g7p34ngg892xc880a9gkn";
    };
    manifestJson = fetchurl {
      url = "https://github.com/Snezhig/obsidian-front-matter-title/releases/download/3.13.1/manifest.json";
      sha256 = "0kbs75d0xs19cmhs3kpmd48wk5832z1krdlw1hv998ararj9ww6q";
    };
    meta.description = "Display frontmatter title instead of filename in explorer, graph, etc.";
  };

  obsidian-atmosphere = buildObsidianPlugin {
    pname = "obsidian-atmosphere";
    version = "0.1.19";
    owner = "treethought";
    repo = "obsidian-atmosphere";
    mainJs = fetchurl {
      url = "https://github.com/treethought/obsidian-atmosphere/releases/download/0.1.19/main.js";
      sha256 = "0ab2lzclbjzyprlar68qyx8cpbyfmxzpc4slrp0yp9f6yhz4pn91";
    };
    manifestJson = fetchurl {
      url = "https://github.com/treethought/obsidian-atmosphere/releases/download/0.1.19/manifest.json";
      sha256 = "0qrfdz6xwl8jgbdkqsaxgk5jma1xna5xa1m3jcnlwmbsk6gnf7i8";
    };
    stylesCSS = fetchurl {
      url = "https://github.com/treethought/obsidian-atmosphere/releases/download/0.1.19/styles.css";
      sha256 = "09022ykg2wipjkq8ysjkq4js5prhm8ll0kcsz1359xs45s06ajym";
    };
    meta.description = "Ambient weather and nature effects for Obsidian";
  };

  # Ayu Mirage theme
  # The upstream repo (bcdavasconcelos/Obsidian-Ayu_Mirage) uses the legacy
  # format (obsidian.css). We fetch it and provide the manifest.json that
  # Obsidian generated when installing it.
  ayu-mirage = buildObsidianTheme {
    pname = "ayu-mirage";
    version = "0.0.0";
    themeCSS = fetchurl {
      url = "https://raw.githubusercontent.com/bcdavasconcelos/Obsidian-Ayu_Mirage/master/obsidian.css";
      sha256 = "0hcsgc8vlj0r2nwl1l4cvi9rr72m2aifyd3g538l0qrk5l6b1dqv";
    };
    manifestJson = writeText "manifest.json" (
      builtins.toJSON {
        name = "Ayu Mirage";
        version = "0.0.0";
        minAppVersion = "0.16.0";
        author = "bernardo_v";
      }
    );
    meta.description = "Ayu Mirage dark theme for Obsidian";
  };
}