diff --git a/pkgs/by-name/to/toolong/package.nix b/pkgs/by-name/to/toolong/package.nix
new file mode 100644
index 000000000000..264aa4f7dfaf
--- /dev/null
+++ b/pkgs/by-name/to/toolong/package.nix
@@ -0,0 +1,45 @@
+{
+  lib,
+  python311Packages,
+  fetchFromGitHub,
+  testers,
+  toolong,
+}:
+
+python311Packages.buildPythonApplication rec {
+  pname = "toolong";
+  version = "1.4.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "Textualize";
+    repo = "toolong";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-Zd6j1BIrsLJqptg7BXb67qY3DaeHRHieWJoYYCDHaoc=";
+  };
+
+  build-system = [ python311Packages.poetry-core ];
+  dependencies = with python311Packages; [
+    click
+    textual
+    typing-extensions
+  ];
+
+  pythonRelaxDeps = [ "textual" ];
+
+  pythonImportsCheck = [ "toolong" ];
+  doCheck = false; # no tests
+
+  passthru.tests.version = testers.testVersion {
+    package = toolong;
+    command = "${lib.getExe toolong} --version";
+  };
+
+  meta = with lib; {
+    description = "Terminal application to view, tail, merge, and search log files (plus JSONL)";
+    license = licenses.mit;
+    homepage = "https://github.com/textualize/toolong";
+    maintainers = with maintainers; [ sigmanificient ];
+    mainProgram = "tl";
+  };
+}