diff --git a/packages/perfgrp/meta.json b/packages/perfgrp/meta.json
new file mode 100644
index 000000000..fc8cdf61a
--- /dev/null
+++ b/packages/perfgrp/meta.json
@@ -0,0 +1,104 @@
+{
+  "AbstractHTML": "The <span class=\"pkgname\">PerfGrp</span> package provides the library   of finite perfect groups, which contains, up to isomorphism, all perfect   groups of order less than 2 000 000, as well as functionality for   determining the perfect subgroups of a finite group.",
+  "ArchiveFormats": ".tar.gz",
+  "ArchiveSHA256": "7c880f0ec95ae96d1bdddef5c084a45568760d7ae0565b58562d1922df8c4995",
+  "ArchiveSize": 6162678,
+  "ArchiveURL": "https://github.com/gap-packages/perfgrp/releases/download/v1.0.0/perfgrp-1.0.0",
+  "AutoDoc": {
+    "TitlePage": {
+      "Abstract": "\nThe <Package>PerfGrp</Package> package provides the &GAP; library of finite\nperfect groups, and functionality for determining the perfect subgroups of a\nfinite group.\n",
+      "Copyright": "\n&copyright; 1989-2026 by the authors.<P/>\n\nThis package is free software; you can redistribute it and/or modify it under\nthe terms of the <URL Text=\"GNU General Public License\">\nhttps://www.fsf.org/licenses/gpl.html</URL> as published by the Free Software\nFoundation; either version 2 of the License, or (at your option) any later\nversion.\n"
+    },
+    "entities": {
+      "RELEASEDATE": "11 August 2026",
+      "RELEASEYEAR": "2026",
+      "VERSION": "1.0.0"
+    }
+  },
+  "AvailabilityTest": null,
+  "Date": "2026-08-11",
+  "Dependencies": {
+    "ExternalConditions": [],
+    "GAP": ">= 4.15",
+    "NeededOtherPackages": [],
+    "SuggestedOtherPackages": []
+  },
+  "IssueTrackerURL": "https://github.com/gap-packages/perfgrp/issues",
+  "Keywords": [
+    "perfect group",
+    "group library"
+  ],
+  "License": "GPL-2.0-or-later",
+  "PackageDoc": [
+    {
+      "ArchiveURLSubset": [
+        "doc"
+      ],
+      "BookName": "perfgrp",
+      "HTMLStart": "doc/chap0_mj.html",
+      "LongTitle": "GAP Library of Finite Perfect Groups",
+      "PDFFile": "doc/manual.pdf",
+      "SixFile": "doc/manual.six"
+    }
+  ],
+  "PackageInfoSHA256": "d00bd8bb268bc825908b56d63938a38317019a66418b9044401315d93ebe4655",
+  "PackageInfoURL": "https://gap-packages.github.io/perfgrp/PackageInfo.g",
+  "PackageName": "PerfGrp",
+  "PackageWWWHome": "https://gap-packages.github.io/perfgrp/",
+  "Persons": [
+    {
+      "Email": "hulpke@math.colostate.edu",
+      "FirstNames": "Alexander",
+      "GitHubUsername": "hulpke",
+      "Institution": "Colorado State University",
+      "IsAuthor": true,
+      "IsMaintainer": true,
+      "LastName": "Hulpke",
+      "Place": "Fort Collins, CO",
+      "PostalAddress": "Department of Mathematics\nColorado State University\n1874 Campus Delivery\nFort Collins, CO 80523-1874\nUSA",
+      "WWWHome": "https://www.math.colostate.edu/~hulpke/"
+    },
+    {
+      "Email": "D.F.Holt@warwick.ac.uk",
+      "FirstNames": "Derek F.",
+      "Institution": "University of Warwick",
+      "IsAuthor": true,
+      "IsMaintainer": false,
+      "LastName": "Holt",
+      "Place": "Coventry",
+      "WWWHome": "https://homepages.warwick.ac.uk/~mareg/"
+    },
+    {
+      "FirstNames": "Wilhelm",
+      "Institution": "RWTH Aachen",
+      "IsAuthor": true,
+      "IsMaintainer": false,
+      "LastName": "Plesken",
+      "Place": "Aachen"
+    },
+    {
+      "FirstNames": "Volkmar",
+      "Institution": "RWTH Aachen",
+      "IsAuthor": true,
+      "IsMaintainer": false,
+      "LastName": "Felsch",
+      "Place": "Aachen"
+    },
+    {
+      "Email": "support@gap-system.org",
+      "FirstNames": "The",
+      "IsAuthor": false,
+      "IsMaintainer": true,
+      "LastName": "GAP Team",
+      "WWWHome": "https://www.gap-system.org"
+    }
+  ],
+  "README_URL": "https://gap-packages.github.io/perfgrp/README.md",
+  "SourceRepository": {
+    "Type": "git",
+    "URL": "https://github.com/gap-packages/perfgrp"
+  },
+  "Subtitle": "GAP Library of Finite Perfect Groups",
+  "TestFile": "tst/testall.g",
+  "Version": "1.0.0"
+}