diff --git a/CHANGES.md b/CHANGES.md
index 64a4ade..f115c75 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,7 @@
 
 ## Unreleased
 - ngr: For invoking Elixir, use `mix test --trace`
+- ngr: Added as dedicated install extra, `pip install pueblo[ngr]`
 - Testing: Unlocked compatibility with pytest version 8
 - SFA: Added a subsystem for loading single-file applications
 
diff --git a/pueblo/sfa/README.md b/pueblo/sfa/README.md
index 003a545..8a459ad 100644
--- a/pueblo/sfa/README.md
+++ b/pueblo/sfa/README.md
@@ -25,7 +25,7 @@ not be used together.
 # Invoke Python entrypoint with given specification.
 PYTHONPATH=$(pwd) sfa run tests.testdata.entrypoint:main
 sfa run tests/testdata/entrypoint.py:main
-sfa run https://github.com/pyveci/pueblo/raw/refs/heads/sfa/tests/testdata/entrypoint.py#main
+sfa run https://github.com/pyveci/pueblo/raw/refs/heads/main/tests/sfa/basic.py#main
 sfa run github://pyveci:pueblo@/tests/testdata/entrypoint.py#main
 ```
 
diff --git a/pyproject.toml b/pyproject.toml
index 728aae9..898176d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dependencies = [
 ]
 
 optional-dependencies.all = [
-  "pueblo[cli,dataframe,fileio,nlp,notebook,proc,sfa-full,testing,web]",
+  "pueblo[cli,dataframe,fileio,ngr,nlp,notebook,proc,sfa-full,testing,web]",
 ]
 optional-dependencies.cli = [
   "click<9",
@@ -97,6 +97,10 @@ optional-dependencies.fileio = [
   "s3fs>=2021",
   "yarl<1.19",
 ]
+optional-dependencies.ngr = [
+  "pip",
+  "pueblo[cli]",
+]
 optional-dependencies.nlp = [
   "aiohttp<3.12",
   "langchain>=0.1,<0.4",
@@ -118,13 +122,11 @@ optional-dependencies.release = [
 ]
 optional-dependencies.sfa = [
   "pueblo[cli]",
-  "tomli<3",
 ]
 optional-dependencies.sfa-full = [
   "fsspec[github,http,libarchive,s3]<2024.11",
   "instld<0.1",
   "pueblo[sfa]",
-  "tomli<3",
 ]
 optional-dependencies.test = [
   "pueblo[testing]",
diff --git a/tests/test_sfa.py b/tests/test_sfa.py
index a9a96c9..660c0ba 100644
--- a/tests/test_sfa.py
+++ b/tests/test_sfa.py
@@ -37,7 +37,7 @@ def test_address_url():
     [
         "tests.sfa.basic:main",
         "tests/sfa/basic.py:main",
-        "https://github.com/pyveci/pueblo/raw/refs/heads/sfa/tests/sfa/basic.py#main",
+        "https://github.com/pyveci/pueblo/raw/refs/heads/main/tests/sfa/basic.py#main",
     ],
 )
 def test_application_api_success(capsys, spec):
@@ -73,7 +73,7 @@ def test_application_api_not_callable(capsys, spec):
     [
         "tests.sfa.basic:main",
         "tests/sfa/basic.py:main",
-        "https://github.com/pyveci/pueblo/raw/refs/heads/sfa/tests/sfa/basic.py#main",
+        "https://github.com/pyveci/pueblo/raw/refs/heads/main/tests/sfa/basic.py#main",
     ],
 )
 def test_application_cli(mocker, capfd, spec):