diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..f76f15c
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,141 @@
+use std::path::PathBuf;
+
+use clap::{Parser, ValueEnum};
+
+#[derive(Debug, Parser)]
+#[command(name = "config-forge")]
+#[command(author, version, about, long_about = None)]
+pub struct Args {
+    #[arg(long, global = true)]
+    pub no_color: bool,
+
+    #[arg(long, global = true, short = 'v')]
+    pub verbose: bool,
+
+    #[command(subcommand)]
+    pub command: Command,
+}
+
+#[derive(Debug, ValueEnum, Clone)]
+pub enum OutputFormat {
+    json,
+    yaml,
+    toml,
+    env,
+    ini,
+}
+
+#[derive(Debug, ValueEnum, Clone)]
+pub enum SchemaSource {
+    inline,
+    file,
+}
+
+#[derive(Debug, Parser)]
+pub struct ConvertArgs {
+    #[arg(short, long)]
+    pub input: PathBuf,
+
+    #[arg(short, long, value_enum)]
+    pub from: Option<OutputFormat>,
+
+    #[arg(short, long, value_enum)]
+    pub to: OutputFormat,
+
+    #[arg(short, long)]
+    pub output: Option<PathBuf>,
+
+    #[arg(long)]
+    pub no_highlight: bool,
+}
+
+#[derive(Debug, Parser)]
+pub struct ValidateArgs {
+    #[arg(short, long)]
+    pub config: PathBuf,
+
+    #[arg(short = 's', long = "schema", conflicts_with = "schema_file")]
+    pub schema: Option<String>,
+
+    #[arg(short = 'S', long = "schema-file")]
+    pub schema_file: Option<PathBuf>,
+}
+
+#[derive(Debug, Parser)]
+pub struct GenerateTsArgs {
+    #[arg(short, long)]
+    pub input: PathBuf,
+
+    #[arg(short, long, value_enum)]
+    pub from: Option<OutputFormat>,
+
+    #[arg(short, long)]
+    pub output: Option<PathBuf>,
+
+    #[arg(long)]
+    pub interface_name: Option<String>,
+
+    #[arg(long)]
+    pub export: bool,
+}
+
+#[derive(Debug, Parser)]
+pub struct BatchArgs {
+    #[arg(short, long)]
+    pub pattern: String,
+
+    #[arg(short, long, value_enum)]
+    pub to: OutputFormat,
+
+    #[arg(short, long)]
+    pub output_dir: Option<PathBuf>,
+
+    #[arg(long)]
+    pub parallel: bool,
+
+    #[arg(long)]
+    pub no_highlight: bool,
+}
+
+#[derive(Debug, Parser)]
+pub struct InferArgs {
+    #[arg(short, long)]
+    pub input: PathBuf,
+
+    #[arg(short, long, value_enum)]
+    pub from: Option<OutputFormat>,
+
+    #[arg(short, long)]
+    pub output: Option<PathBuf>,
+}
+
+#[derive(Debug, Parser)]
+pub struct InitArgs {
+    #[arg(short, long)]
+    pub output: Option<PathBuf>,
+}
+
+#[derive(Debug, Parser)]
+pub enum Command {
+    #[command(name = "convert")]
+    Convert(ConvertArgs),
+
+    #[command(name = "validate")]
+    Validate(ValidateArgs),
+
+    #[command(name = "generate-ts")]
+    GenerateTs(GenerateTsArgs),
+
+    #[command(name = "batch")]
+    Batch(BatchArgs),
+
+    #[command(name = "infer")]
+    Infer(InferArgs),
+
+    #[command(name = "init")]
+    Init(InitArgs),
+}
+
+pub fn parse_args() -> Args {
+    Args::parse()
+}