feat: add headless Firefox Playwright CLI and subagent session skill

2026-09-06 13:41:15 -05:00
parent b0f6742195
commit 14285a5ee5
11 changed files with 338 additions and 13 deletions
@@ -0,0 +1,33 @@
+# The official CLI is also shipped as `playwright-core cli`. Keep it and the
+# patched Firefox on the SAME rolling Nixpkgs revision, without npm/browser skew.
+{ pkgs }:
+let
+  browsers = pkgs.playwright-driver.browsers.override {
+    withChromium = false;
+    withChromiumHeadlessShell = false;
+    withWebkit = false;
+    withFirefox = true;
+    withFfmpeg = true;
+  };
+  fontConfig = pkgs.makeFontsConf {
+    fontDirectories = with pkgs; [
+      noto-fonts
+      noto-fonts-cjk-sans
+      noto-fonts-color-emoji
+    ];
+    impureFontDirectories = [ ];
+  };
+in
+pkgs.writeShellApplication {
+  name = "playwright-cli";
+  runtimeInputs = [ pkgs.nodejs ];
+  text = ''
+    export PLAYWRIGHT_BROWSERS_PATH=${browsers}
+    export PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD=1
+    export PLAYWRIGHT_MCP_BROWSER="''${PLAYWRIGHT_MCP_BROWSER:-firefox}"
+    export PLAYWRIGHT_MCP_HEADLESS="''${PLAYWRIGHT_MCP_HEADLESS:-true}"
+    export FONTCONFIG_FILE="''${FONTCONFIG_FILE:-${fontConfig}}"
+    exec node ${pkgs.playwright-driver}/cli.js cli "$@"
+  '';
+  meta.description = "Official Playwright CLI with matching Firefox, headless by default";
+}