diff --git a/graphify/detect.py b/graphify/detect.py
index 4cb123104c..a2b770b87c 100644
--- a/graphify/detect.py
+++ b/graphify/detect.py
@@ -42,7 +42,7 @@ class FileType(str, Enum):
 _MTIME_COARSE_S = 2.0
 _MTIME_SUBSECOND_S = 0.05
 
-CODE_EXTENSIONS = {'.py', '.ts', '.tsx', '.mts', '.cts', '.js', '.jsx', '.mjs', '.cjs', '.ejs', '.ets', '.go', '.rs', '.java', '.groovy', '.gradle', '.cpp', '.cc', '.cxx', '.c', '.h', '.hpp', '.cu', '.cuh', '.metal', '.rb', '.rake', '.swift', '.kt', '.kts', '.cs', '.scala', '.php', '.lua', '.luau', '.toc', '.zig', '.ps1', '.psm1', '.psd1', '.ex', '.exs', '.m', '.mm', '.ml', '.mli', '.jl', '.vue', '.svelte', '.astro', '.dart', '.v', '.sv', '.svh', '.sql', '.r', '.f', '.F', '.f90', '.F90', '.f95', '.F95', '.f03', '.F03', '.f08', '.F08', '.pas', '.pp', '.dpr', '.dpk', '.lpr', '.inc', '.dfm', '.lfm', '.lpk', '.sh', '.bash', '.json', '.tf', '.tfvars', '.hcl', '.dm', '.dme', '.dmi', '.dmm', '.dmf', '.sln', '.slnx', '.csproj', '.fsproj', '.vbproj', '.xaml', '.razor', '.cshtml', '.cls', '.trigger', '.lisp', '.cl', '.lsp', '.asd'}
+CODE_EXTENSIONS = {'.py', '.ts', '.tsx', '.mts', '.cts', '.js', '.jsx', '.mjs', '.cjs', '.gs', '.ejs', '.ets', '.go', '.rs', '.java', '.groovy', '.gradle', '.cpp', '.cc', '.cxx', '.c', '.h', '.hpp', '.cu', '.cuh', '.metal', '.rb', '.rake', '.swift', '.kt', '.kts', '.cs', '.scala', '.php', '.lua', '.luau', '.toc', '.zig', '.ps1', '.psm1', '.psd1', '.ex', '.exs', '.m', '.mm', '.ml', '.mli', '.jl', '.vue', '.svelte', '.astro', '.dart', '.v', '.sv', '.svh', '.sql', '.r', '.f', '.F', '.f90', '.F90', '.f95', '.F95', '.f03', '.F03', '.f08', '.F08', '.pas', '.pp', '.dpr', '.dpk', '.lpr', '.inc', '.dfm', '.lfm', '.lpk', '.sh', '.bash', '.json', '.tf', '.tfvars', '.hcl', '.dm', '.dme', '.dmi', '.dmm', '.dmf', '.sln', '.slnx', '.csproj', '.fsproj', '.vbproj', '.xaml', '.razor', '.cshtml', '.cls', '.trigger', '.lisp', '.cl', '.lsp', '.asd'}
 DOC_EXTENSIONS = {'.md', '.mdx', '.qmd', '.skill', '.txt', '.rst', '.html', '.yaml', '.yml'}
 PAPER_EXTENSIONS = {'.pdf'}
 IMAGE_EXTENSIONS = {'.png', '.jpg', '.jpeg', '.gif', '.webp', '.svg'}
diff --git a/graphify/extract.py b/graphify/extract.py
index a113d4a7ac..2ce46d0eb4 100644
--- a/graphify/extract.py
+++ b/graphify/extract.py
@@ -2105,7 +2105,7 @@ def _lang_is_case_insensitive(source_file: object) -> bool:
 # no family and are never filtered — same permissive default as before.
 _LANG_FAMILY_BY_EXT: dict[str, str] = {
     # JS/TS module graph (SFCs embed JS/TS)
-    ".js": "jsts", ".jsx": "jsts", ".mjs": "jsts", ".cjs": "jsts",
+    ".js": "jsts", ".jsx": "jsts", ".mjs": "jsts", ".cjs": "jsts", ".gs": "jsts",
     ".ts": "jsts", ".tsx": "jsts", ".mts": "jsts", ".cts": "jsts",
     ".vue": "jsts", ".svelte": "jsts", ".astro": "jsts",
     # JVM interop
@@ -4872,6 +4872,7 @@ def add_existing_edge(edge: dict) -> None:
     ".jsx": extract_js,
     ".mjs": extract_js,
     ".cjs": extract_js,
+    ".gs": extract_js,
     ".ts": extract_js,
     ".tsx": extract_js,
     ".mts": extract_js,
diff --git a/graphify/extractors/models.py b/graphify/extractors/models.py
index 63c1d8a181..6ea2abb5f3 100644
--- a/graphify/extractors/models.py
+++ b/graphify/extractors/models.py
@@ -8,7 +8,7 @@
 
 _WORKSPACE_PACKAGE_CACHE: dict[str, dict[str, Path]] = {}
 
-_JS_CACHE_BYPASS_SUFFIXES = {".js", ".jsx", ".mjs", ".cjs", ".ts", ".tsx", ".mts", ".cts", ".vue", ".svelte"}
+_JS_CACHE_BYPASS_SUFFIXES = {".js", ".jsx", ".mjs", ".cjs", ".gs", ".ts", ".tsx", ".mts", ".cts", ".vue", ".svelte"}
 
 @dataclass
 class LanguageConfig:
diff --git a/tests/test_detect.py b/tests/test_detect.py
index 5be697ce72..8cba083eab 100644
--- a/tests/test_detect.py
+++ b/tests/test_detect.py
@@ -34,6 +34,10 @@ def test_classify_python():
 def test_classify_typescript():
     assert classify_file(Path("bar.ts")) == FileType.CODE
 
+def test_classify_google_apps_script():
+    # Google Apps Script uses JavaScript syntax and the JS extractor.
+    assert classify_file(Path("automation.gs")) == FileType.CODE
+
 def test_classify_powershell_module():
     # #1315: .psm1 modules were never indexed (CODE_EXTENSIONS gap).
     assert classify_file(Path("Utils.psm1")) == FileType.CODE
diff --git a/tests/test_extract.py b/tests/test_extract.py
index 416d358280..5a28f8b712 100644
--- a/tests/test_extract.py
+++ b/tests/test_extract.py
@@ -2231,10 +2231,24 @@ def wrapped_sequential(uncached_work, per_file, *args, **kwargs):
 # Bash extractor tests (#866)
 # ---------------------------------------------------------------------------
 
-def test_dispatch_includes_sh_and_json():
+def test_dispatch_includes_sh_json_and_google_apps_script():
     assert ".sh" in _DISPATCH
     assert ".bash" in _DISPATCH
     assert ".json" in _DISPATCH
+    assert ".gs" in _DISPATCH
+
+
+def test_extract_google_apps_script_as_javascript(tmp_path):
+    """Google Apps Script files must enter the JS extractor instead of being skipped."""
+    script = tmp_path / "automation.gs"
+    script.write_text(
+        "function synchronizeSheet() { return SpreadsheetApp.getActive(); }\n",
+        encoding="utf-8",
+    )
+
+    result = extract([script], cache_root=tmp_path, root=tmp_path, parallel=False)
+
+    assert "synchronizeSheet()" in {node["label"] for node in result["nodes"]}
 
 
 def test_extract_bash_finds_functions():