diff --git a/components/l4d2-host-lib/README.md b/components/l4d2-host-lib/README.md
new file mode 100644
index 0000000..ac7f61f
--- /dev/null
+++ b/components/l4d2-host-lib/README.md
@@ -0,0 +1 @@
+# l4d2-host-lib
diff --git a/components/l4d2-host-lib/pyproject.toml b/components/l4d2-host-lib/pyproject.toml
new file mode 100644
index 0000000..d0ecc61
--- /dev/null
+++ b/components/l4d2-host-lib/pyproject.toml
@@ -0,0 +1,23 @@
+[build-system]
+requires = ["setuptools>=68", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "l4d2host"
+version = "0.1.0"
+description = "L4D2 host library and CLI"
+readme = "README.md"
+requires-python = ">=3.12"
+dependencies = [
+  "typer>=0.12",
+  "PyYAML>=6.0",
+]
+
+[project.scripts]
+l4d2ctl = "l4d2host.cli:app"
+
+[tool.setuptools]
+package-dir = {"" = "src"}
+
+[tool.setuptools.packages.find]
+where = ["src"]
diff --git a/components/l4d2-host-lib/src/l4d2host/__init__.py b/components/l4d2-host-lib/src/l4d2host/__init__.py
new file mode 100644
index 0000000..a05eb9a
--- /dev/null
+++ b/components/l4d2-host-lib/src/l4d2host/__init__.py
@@ -0,0 +1,3 @@
+__all__ = ["__version__"]
+
+__version__ = "0.1.0"
diff --git a/components/l4d2-host-lib/src/l4d2host/cli.py b/components/l4d2-host-lib/src/l4d2host/cli.py
new file mode 100644
index 0000000..dd8dddd
--- /dev/null
+++ b/components/l4d2-host-lib/src/l4d2host/cli.py
@@ -0,0 +1,38 @@
+import typer
+
+
+app = typer.Typer(no_args_is_help=True)
+
+
+def _todo() -> None:
+    raise typer.Exit(code=1)
+
+
+@app.command()
+def install() -> None:
+    _todo()
+
+
+@app.command()
+def initialize(name: str, spec: str = typer.Option(..., "--spec", "-f")) -> None:
+    del name
+    del spec
+    _todo()
+
+
+@app.command()
+def start(name: str) -> None:
+    del name
+    _todo()
+
+
+@app.command()
+def stop(name: str) -> None:
+    del name
+    _todo()
+
+
+@app.command()
+def delete(name: str) -> None:
+    del name
+    _todo()
diff --git a/components/l4d2-host-lib/tests/test_cli.py b/components/l4d2-host-lib/tests/test_cli.py
new file mode 100644
index 0000000..10fb86d
--- /dev/null
+++ b/components/l4d2-host-lib/tests/test_cli.py
@@ -0,0 +1,10 @@
+from typer.testing import CliRunner
+
+from l4d2host.cli import app
+
+
+def test_help_lists_v1_commands() -> None:
+    result = CliRunner().invoke(app, ["--help"])
+    assert result.exit_code == 0
+    for command in ["install", "initialize", "start", "stop", "delete"]:
+        assert command in result.output