diff --git a/.github/workflows/regression_test.yml b/.github/workflows/regression_test.yml
index f8559e42..41184b48 100644
--- a/.github/workflows/regression_test.yml
+++ b/.github/workflows/regression_test.yml
@@ -124,7 +124,7 @@ jobs:
       # - name: Install Poetry
       #   uses: abatilo/actions-poetry@v2.0.0
       #   with:
-      #     poetry-version: 1.3.2
+      #     poetry-version: 1.1.14
 
       - name: Setup Python Env - Metal
         working-directory: python/origen_metal
@@ -153,10 +153,34 @@ jobs:
       # TODO eventually want to move this into a poetry build step
       # For now, manually move the binary. Also keeps us from having to mess with the path across OSs
       #   'mv' command should be be fine for both linux & powershell
-      # - name: Move Origen executable (Linux)
-      #   if: matrix.os == 'ubuntu-latest'
-      #   run: mv rust/origen/target/debug/origen python/origen/origen/__bin__/bin
+      - name: Move Origen executable (Linux)
+        if: matrix.os == 'ubuntu-latest'
+        run: mv rust/origen/target/debug/origen python/origen/origen/__bin__/bin
+      - name: Move Origen executable (Windows)
+        if: matrix.os == 'windows-latest'
+        run: mv rust/origen/target/debug/origen.exe python/origen/origen/__bin__/bin
+
+      - name: Install Origen Packages
+        run:
+          pip install python/origen
+          pip install python/origen_metal
+
+      - name: Show Origen Binary Location (Linux)
+        run: which origen
+      - name: Show Origen Binary Location (Windows)
+        run: where.exe origen
 
-      # - name: Move Origen executable (Windows)
-      #   if: matrix.os == 'windows-latest'
-      #   run: mv rust/origen/target/debug/origen.exe python/origen/origen/__bin__/bin
+      # Should be no pyprojects in the root so far. Start with no-workspace tests
+      - name: Run No-Workspace-No-Plugins Tests
+        working-directory: test_apps/no_workspace
+        run: pytest test_no_workspace.py::TestNoWorkspaceNoPlugins -vv
+      
+      - name: Install Plugins
+        run:
+          pip install test_apps/test_apps_shared_test_helpers
+          pip install test_apps/python_plugin
+          pip install python/origen_metal
+
+      - name: Run No-Workspace-With-Plugins Tests
+        working-directory: test_apps/no_workspace
+        run: pytest test_no_workspace.py::TestNoWorkspaceWithPlugins -vv
diff --git a/python/origen/pyproject.toml b/python/origen/pyproject.toml
index a1465970..40e392b0 100644
--- a/python/origen/pyproject.toml
+++ b/python/origen/pyproject.toml
@@ -18,7 +18,7 @@ script = "poetry_build.py"
 generate-setup-file = false
 
 [tool.poetry.scripts]
-o2 = 'origen.__bin__:run_origen'
+origen = 'origen.__bin__:run_origen'
 
 [tool.poetry.dependencies]
 python =  ">=3.7,<3.11"
diff --git a/rust/origen/cli/src/python.rs b/rust/origen/cli/src/python.rs
index 1491ae3f..880c312d 100644
--- a/rust/origen/cli/src/python.rs
+++ b/rust/origen/cli/src/python.rs
@@ -105,7 +105,7 @@ pub fn resolve_pyproject() -> Result<DependencySrc> {
     }
 
     log_trace!("No pyproject found. Skipping Poetry invocations...");
-    Ok(DependencySrc::None)
+    Ok(DependencySrc::NoneFound)
 }
 
 impl Config {
@@ -125,7 +125,7 @@ impl Config {
                     c.arg("-C");
                     c.arg(path);
                 }
-                DependencySrc::None => {}
+                DependencySrc::NoneFound => {}
             }
         } else {
             log_error!("Dependency source has not been set - defaulting to global Python installation");
diff --git a/rust/origen/src/core/status.rs b/rust/origen/src/core/status.rs
index 01d66434..d6beceb4 100644
--- a/rust/origen/src/core/status.rs
+++ b/rust/origen/src/core/status.rs
@@ -61,13 +61,13 @@ pub enum DependencySrc {
     Workspace(PathBuf), // current directory tree (in workspace)
     UserGlobal(PathBuf), // explicitly given by user, no workspace
     Global(PathBuf), // the origen CLI installation directory, no workspace
-    None, // None available. Use whatever is available in the same install environment as Origen itself
+    NoneFound, // None available. Use whatever is available in the same install environment as Origen itself
 }
 
 impl DependencySrc {
     pub fn src_available(&self) -> bool {
         match self {
-            Self::None => false,
+            Self::NoneFound => false,
             _ => true,
         }
     }
@@ -75,7 +75,7 @@ impl DependencySrc {
     pub fn src_file(&self) -> Option<&PathBuf> {
         match self {
             Self::App(path) | Self::Workspace(path) | Self::UserGlobal(path) | Self::Global(path) => Some(path),
-            Self::None => None,
+            Self::NoneFound => None,
         }
     }
 }
@@ -99,7 +99,7 @@ where S: AsRef<str> {
             "Workspace" => gen_case!(Workspace),
             "UserGlobal" => gen_case!(UserGlobal),
             "Global" => gen_case!(Global),
-            "None" => Self::None,
+            "None" => Self::NoneFound,
             _ => bail!("Cannot convert value '{}' to dependency src type", value.0.as_ref())
         })
     }
diff --git a/rust/pyapi/src/infrastructure/pyproject.rs b/rust/pyapi/src/infrastructure/pyproject.rs
index 319e1f19..876bdd34 100644
--- a/rust/pyapi/src/infrastructure/pyproject.rs
+++ b/rust/pyapi/src/infrastructure/pyproject.rs
@@ -31,7 +31,7 @@ pub enum PyProjectSrc {
     Workspace,
     UserGlobal,
     Global,
-    None,
+    NoneFound,
 }
 
 impl PyProjectSrc {
@@ -47,7 +47,7 @@ impl From<&DependencySrc> for PyProjectSrc {
             DependencySrc::Workspace(_) => Self::Workspace,
             DependencySrc::UserGlobal(_) => Self::UserGlobal,
             DependencySrc::Global(_) => Self::Global,
-            DependencySrc::None => Self::None,
+            DependencySrc::NoneFound => Self::NoneFound,
         }
     }
 }
\ No newline at end of file
diff --git a/test_apps/no_workspace/eval_scripts/print_pl_names.py b/test_apps/no_workspace/eval_scripts/print_pl_names.py
new file mode 100644
index 00000000..4cb9d252
--- /dev/null
+++ b/test_apps/no_workspace/eval_scripts/print_pl_names.py
@@ -0,0 +1,4 @@
+import origen
+header = "--Origen Eval--"
+print(header)
+print(list(origen.plugins.keys()))
diff --git a/test_apps/no_workspace/eval_scripts/print_status.py b/test_apps/no_workspace/eval_scripts/print_status.py
new file mode 100644
index 00000000..dd9606d5
--- /dev/null
+++ b/test_apps/no_workspace/eval_scripts/print_status.py
@@ -0,0 +1,4 @@
+import origen
+header = "--Origen Eval--"
+print(header)
+print(origen.status)
diff --git a/test_apps/no_workspace/t_invocation_env.py b/test_apps/no_workspace/t_invocation_env.py
index fcd4c36d..d0d57b81 100644
--- a/test_apps/no_workspace/t_invocation_env.py
+++ b/test_apps/no_workspace/t_invocation_env.py
@@ -1,3 +1,4 @@
+# FOR_PR clean up
 # Use the dev version but actual tests should be done through 'eval'.
 import sys, pathlib
 p = pathlib.Path(__file__).parent.parent.parent.joinpath("python/origen")
@@ -17,6 +18,9 @@
 no_workspace_test_dir = pathlib.Path(__file__).parent
 o2_root = no_workspace_test_dir.parent.parent
 debug_cli_loc = o2_root.joinpath(f"rust/origen/target/debug/origen{'.exe' if origen.running_on_windows else ''}")
+eval_scripts_dir = no_workspace_test_dir.joinpath("eval_scripts")
+status_eval_script = eval_scripts_dir.joinpath("print_status.py")
+pl_names_eval_script = eval_scripts_dir.joinpath("print_pl_names.py")
 
 # Assume pip is installed in 'site-packages'
 site_packages_dir =  pathlib.Path(pip.__file__).parent.parent
@@ -30,45 +34,69 @@ class T_InvocationBaseTests(CLI):
     @classmethod
     def setup(cls):
         cls.set_params()
-        cls.target_pyproj_toml = cls.target_pyproj_dir.joinpath(toml)
-        cls.target_poetry_lock = cls.target_pyproj_dir.joinpath(lockfile)
+        if cls.target_pyproj_dir:
+            cls.target_pyproj_toml = cls.target_pyproj_dir.joinpath(toml)
+            cls.target_poetry_lock = cls.target_pyproj_dir.joinpath(lockfile)
+        else:
+            cls.target_pyproj_toml = None
+            cls.target_poetry_lock = None
+
+        if not hasattr(cls, "file_based_evals"):
+            cls.file_based_evals = False
+        cls.cli_location = cls.cli_dir.joinpath(f"origen{'.exe' if origen.running_on_windows else ''}")
 
     @property
     def header(self):
         return "--Origen Eval--"
 
-    def test_invocation_from_pytest(self):
-        assert origen.status["pyproject"] is None
-        assert origen.status["invocation"] is None
-
     def eval_and_parse(self, code):
         # out = CLI.global_cmds.eval.run(code, "-vv", run_opts={"return_details": True})
-        out = CLI.global_cmds.eval.run(code)
+        if isinstance(code, str):
+            code = [code]
+        print(code)
+        # out = CLI.global_cmds.eval.run(*code, run_opts={"return_details": True, "check": False})
+        out = CLI.global_cmds.eval.run(*code)
+        print(out)
         out = out.split("\n")
         idx = out.index(self.header)
         return eval(out[idx+1])
 
+    def get_status(self):
+        if self.file_based_evals:
+            return self.eval_and_parse(["-f", status_eval_script])
+        else:
+            return self.eval_and_parse(f"print('{self.header}'); print(origen.status)")
+
+    def test_invocation_from_pytest(self):
+        assert origen.status["pyproject"] is None
+        assert origen.status["invocation"] is None
+
     def test_pyproject_and_invocation_set(self):
-        code = f"print('{self.header}'); print(origen.status)"
+        # code = f"print('{self.header}'); print(origen.status)"
         # code = r"print\(\\\"Origen\ Status:\\\"\) print\(origen.status\)"
-        status = self.eval_and_parse(code)
+        status = self.get_status()
         print(status)
         assert status["pyproject"] == self.target_pyproj_toml
         assert status["invocation"] == self.invocation
 
     def test_cli_location(self):
-        code = f"print('{self.header}'); print(origen.status)"
-        status = self.eval_and_parse(code)
+        # code = f"print('{self.header}'); print(origen.status)"
+        # status = self.eval_and_parse(code)
+        status = self.get_status()
         assert status['cli_location'] == self.cli_location
 
 class T_InvocationEnv(T_InvocationBaseTests):
     @classmethod
-    def setup(cls):
+    def setup_method(cls):
         super().setup()
         # cls.set_params()
-        cls._pyproj_src_file = cls.gen_pyproj()
+        if cls.target_pyproj_dir:
+            cls._pyproj_src_file = cls.gen_pyproj()
         if not hasattr(cls, "move_pyproject"):
-            cls.move_pyproject = True
+            if cls.target_pyproj_dir:
+                cls.move_pyproject = True
+            else:
+                cls.move_pyproject = False
         # TODO clear any existing pyproject/poetry.locks ?
         # cls._pyproj_lock = cls._pyproj_file.parent.joinpath("poetry.lock")
         # for d in origen_exe_loc.parents:
@@ -81,11 +109,12 @@ def setup(cls):
             target = cls.target_pyproj_dir.joinpath(toml)
             print(f"Moving pyproject {cls._pyproj_src_file} to {target}")
             shutil.copy(cls._pyproj_src_file, target)
-        subprocess.run(["poetry", "--version"], check=True, cwd=cls.target_pyproj_dir)
-        subprocess.run(["poetry", "install"], check=True, cwd=cls.target_pyproj_dir)
+        if cls.target_pyproj_dir:
+            subprocess.run(["poetry", "--version"], check=True, cwd=cls.target_pyproj_dir)
+            subprocess.run(["poetry", "install"], check=True, cwd=cls.target_pyproj_dir)
 
     @classmethod
-    def teardown(cls):
+    def teardown_method(cls):
         if cls.move_pyproject:
             print(f"Cleaning pyproject and lockfile {cls.target_pyproj_toml}, {cls.target_poetry_lock}")
             cls.target_pyproj_toml.unlink()
@@ -118,13 +147,20 @@ def gen_pyproj(cls):
     #     # if id == "_origen_metal":
     #     assert isinstance(origen_metal._origen_metal, ModuleType)
 
+    def get_plugin_names(self):
+        if self.file_based_evals:
+            return self.eval_and_parse(["-f", pl_names_eval_script])
+        else:
+            return self.eval_and_parse(f"print('{self.header}'); print(list(origen.plugins.keys()))")
+
     @pytest.mark.skip
     def test_origen_h(self):
         fail
 
     def test_plugins(self):
-        code = f"print('{self.header}'); print(list(origen.plugins.keys()))"
-        pls = self.eval_and_parse(code)
+        # code = f"print('{self.header}'); print(list(origen.plugins.keys()))"
+        pls = self.get_plugin_names()
+        # pls = self.eval_and_parse(code)
         if self.has_pls:
             # TODO consistent plugin loading
             assert set(pls) == {'pl_ext_cmds', 'test_apps_shared_test_helpers', 'python_plugin'}
diff --git a/test_apps/no_workspace/test_no_workspace.py b/test_apps/no_workspace/test_no_workspace.py
new file mode 100644
index 00000000..1d571779
--- /dev/null
+++ b/test_apps/no_workspace/test_no_workspace.py
@@ -0,0 +1,27 @@
+from .t_invocation_env import T_InvocationEnv, no_workspace_test_dir, PyProjectSrc, site_packages_dir
+
+class TestNoWorkspaceNoPlugins(T_InvocationEnv):
+    user_install_dir = no_workspace_test_dir.joinpath("user_install")
+
+    @classmethod
+    def set_params(cls):
+        cls.target_pyproj_dir = None
+        cls.invocation = PyProjectSrc.NoneFound
+        cls.cli_dir = site_packages_dir.joinpath("origen/__bin__/bin")
+        cls.has_pls = False
+
+    @classmethod
+    def setup_method(cls):
+        cls.file_based_evals = True
+        super().setup_method()
+
+class TestNoWorkspaceWithPlugins(TestNoWorkspaceNoPlugins):
+    @classmethod
+    def set_params(cls):
+        super().set_params()
+        cls.has_pls = True
+
+    def test_exts_in_user_global_context(self):
+        out = self.global_cmds.eval.run("1==1", "-b", "-a")
+        assert "Hi from python-plugin during 'eval'!" in out
+        assert "Hi again from python-plugin during 'eval'!" in out
diff --git a/test_apps/pl_ext_cmds/pyproject.toml b/test_apps/pl_ext_cmds/pyproject.toml
index 9fc1d4dd..889ce813 100644
--- a/test_apps/pl_ext_cmds/pyproject.toml
+++ b/test_apps/pl_ext_cmds/pyproject.toml
@@ -7,7 +7,7 @@ authors = ["Origen-SDK"]
 [tool.poetry.dependencies]
 python = ">=3.7,<3.11"
 origen = { path = "../../python/origen", develop = true }
-origen_metal = { path = "../../python/origen_metal", develop = true }
+origen_metal = ">=0.0.0"
 
 [tool.poetry.dev-dependencies]
 pytest = "^3"