diff --git a/.gitignore b/.gitignore
index 98d3626..2511f64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,18 @@
-docs/_build
+# generic py
+__pycache__/
+.pytest_cache/
+*.egg-info/
+.ipynb_checkpoints/
+.pytest_cache/
 .python-version
+
+# vendor and build files
+dist/
+build/
+docs/_autoref/
+docs/_autosummary/
+docs/_build/
+
+# local
+notebooks/
+/Makefile
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..93f98c5
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) 2024 Sam Griesemer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
diff --git a/TODO.md b/TODO.md
new file mode 100644
index 0000000..68d1aeb
--- /dev/null
+++ b/TODO.md
@@ -0,0 +1,5 @@
+- Push scheme generation to `~/.config/autoconf`
+- Copy default app registry to the config location
+- Formalize the theme spec (JSON) and `autoconf gen` to produce color configs
+- Likely need to formalize the `sync.sh` script logic better, possibly associated directly
+  with registry TOML
diff --git a/autoconf/__init__.py b/autoconf/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/autoconf/__main__.py b/autoconf/__main__.py
new file mode 100644
index 0000000..4fc1567
--- /dev/null
+++ b/autoconf/__main__.py
@@ -0,0 +1,23 @@
+import argparse
+
+from gen_theme import add_gen_subparser
+from set_theme import add_set_subparser
+
+
+parser = argparse.ArgumentParser(
+    'autoconf',
+    description='Generate theme files for various applications. Uses a template (in TOML ' \
+              + 'format) to map application-specific config keywords to colors (in JSON '  \
+              + 'format).' 
+)
+subparsers = parser.get_subparsers()
+add_gen_subparser(subparsers)
+add_set_subparser(subparsers)
+
+args = parser.parse_args()
+
+if __name__ == '__main__':
+    if 'func' in args:
+        args.func(args)
+    else:
+        parser.print_help()
diff --git a/autoconf/gen_theme.py b/autoconf/gen_theme.py
index dac99e0..12bd8fc 100644
--- a/autoconf/gen_theme.py
+++ b/autoconf/gen_theme.py
@@ -9,33 +9,36 @@ def get_running_path():
     return Path(calling_module.__file__).parent
 
 
-parser = argparse.ArgumentParser(
-    description='Generate theme files for various applications. Uses a template (in TOML ' \
-              + 'format) to map application-specific config keywords to colors (in JSON '  \
-              + 'format).' 
-)
-parser.add_argument(
-    '-a', '--app',
-    required=True,
-    help='Application target for theme. Supported: ["kitty"]'
-)
-parser.add_argument(
-    '-p', '--palette',
-    required=True,
-    help='Palette to use for template mappings. Uses local "theme/<palette>/colors.json".'
-)
-parser.add_argument(
-    '-t', '--template',
-    default=None,
-    help='Path to TOML template file. If omitted, app\'s default template path is used.' \
-       + 'If a directory is provided, all TOML files in the folder will be used.'
-)
-parser.add_argument(
-    '-o', '--output',
-    default=None,
-    help='Output file path for theme. If omitted, app\'s default theme output path is used.'
-)
-args = parser.parse_args()
+def add_gen_subparser(subparsers):
+    parser = subparsers.add_parser(
+        'gen',
+        description='Generate theme files for various applications. Uses a template (in TOML ' \
+                  + 'format) to map application-specific config keywords to colors (in JSON '  \
+                  + 'format).' 
+    )
+    parser.add_argument(
+        '-a', '--app',
+        required=True,
+        help='Application target for theme. Supported: ["kitty"]'
+    )
+    parser.add_argument(
+        '-p', '--palette',
+        required=True,
+        help='Palette to use for template mappings. Uses local "theme/<palette>/colors.json".'
+    )
+    parser.add_argument(
+        '-t', '--template',
+        default=None,
+        help='Path to TOML template file. If omitted, app\'s default template path is used.' \
+           + 'If a directory is provided, all TOML files in the folder will be used.'
+    )
+    parser.add_argument(
+        '-o', '--output',
+        default=None,
+        help='Output file path for theme. If omitted, app\'s default theme output path is used.'
+    )
+    parser.set_defaults(func=generate_theme_files)
+
 
 # separation sequences to use base on app
 app_sep_map = {
@@ -104,5 +107,3 @@ def generate_theme_files():
         output_file.write_text('\n'.join(output_lines))
         print(f'[{len(output_lines)}] lines written to [{output_file}] for app [{theme_app}]')
 
-if __name__ == '__main__':
-    generate_theme_files()
diff --git a/autoconf/set_theme.py b/autoconf/set_theme.py
index 27400d8..c077924 100644
--- a/autoconf/set_theme.py
+++ b/autoconf/set_theme.py
@@ -8,29 +8,30 @@ from pathlib import Path
 
 from colorama import Fore
 
-
-parser = argparse.ArgumentParser(
-    description='Generate theme files for various applications. Uses a template (in TOML ' \
-              + 'format) to map application-specific config keywords to colors (in JSON '  \
-              + 'format).' 
-)
-parser.add_argument(
-    '-p', '--palette',
-    required=True,
-    help='Palette name, must match a folder in themes/'
-)
-parser.add_argument(
-    '-s', '--scheme',
-    required=True,
-    help='Preferred lightness scheme, either "light" or "dark".'
-)
-parser.add_argument(
-    '-a', '--app',
-    required=True,
-    help='Application target for theme. App must be present in the registry. ' \
-       + 'Use "*" to apply to all registered apps'
-)
-args = parser.parse_args()
+def add_set_subparser(subparsers):
+    parser = subparsers.add_parser(
+        'set',
+        description='Generate theme files for various applications. Uses a template (in TOML ' \
+                  + 'format) to map application-specific config keywords to colors (in JSON '  \
+                  + 'format).' 
+    )
+    parser.add_argument(
+        '-p', '--palette',
+        required=True,
+        help='Palette name, must match a folder in themes/'
+    )
+    parser.add_argument(
+        '-s', '--scheme',
+        required=True,
+        help='Preferred lightness scheme, either "light" or "dark".'
+    )
+    parser.add_argument(
+        '-a', '--app',
+        required=True,
+        help='Application target for theme. App must be present in the registry. ' \
+           + 'Use "*" to apply to all registered apps'
+    )
+    parser.set_defaults(func=update_theme_settings)
 
 
 def get_running_path():
diff --git a/autoconf/app_registry.toml b/config/app_registry.toml
similarity index 100%
rename from autoconf/app_registry.toml
rename to config/app_registry.toml
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..780bb05
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,52 @@
+[build-system]
+requires = ["setuptools", "wheel", "setuptools-git-versioning>=2.0,<3"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools-git-versioning]
+enabled = true
+
+[project]
+name = "co3"
+description = "Lightweight Python ORM for hierarchical storage management"
+readme = "README.md"
+requires-python = ">=3.12"
+dynamic = ["version"]
+#license = {file = "LICENSE"}
+authors = [
+  { name="Sam Griesemer", email="samgriesemer+git@gmail.com" },
+]
+keywords = ["database", "orm"]
+classifiers = [
+    "Programming Language :: Python :: 3.12",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Developers",
+]
+dependencies = [
+    "tqdm",
+    "wcmatch",
+    "numpy",
+    "sqlalchemy",
+    "colorama",
+]
+
+[project.optional-dependencies]
+tests = ["pytest"]
+docs = [
+    "sphinx",
+    "sphinx-togglebutton",
+    "sphinx-autodoc-typehints",
+    "furo",
+    "myst-parser",
+]
+
+[project.urls]
+Homepage = "https://doc.olog.io/co3"
+Documentation = "https://doc.olog.io/co3"
+Repository = "https://git.olog.io/olog/co3"
+Issues = "https://git.olog.io/olog/co3/issues"
+
+
+[tool.setuptools.packages.find]
+include = ["co3*"] # pattern to match package names 
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 600e05f..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-sphinx
-furo
-myst-parser