diff --git a/imag-view/src/main.rs b/imag-view/src/main.rs
index e7a11a96..2352bb00 100644
--- a/imag-view/src/main.rs
+++ b/imag-view/src/main.rs
@@ -1,3 +1,7 @@
+extern crate clap;
+
+mod ui;
+
 fn main() {
     println!("Hello, world!");
 }
diff --git a/imag-view/src/ui.rs b/imag-view/src/ui.rs
new file mode 100644
index 00000000..2c5818de
--- /dev/null
+++ b/imag-view/src/ui.rs
@@ -0,0 +1,110 @@
+use clap::{Arg, App, SubCommand};
+
+pub fn build_ui<'a>(app: App<'a, 'a>) -> App<'a, 'a> {
+    app
+        .arg(Arg::with_name("id")
+            .long("id")
+            .short("i")
+            .takes_value(true)
+            .required(true)
+            .help("View this entry at this store path"))
+
+        .arg(Arg::with_name("version")
+            .long("version")
+            .short("V")
+            .takes_value(true)
+            .required(false)
+            .help("View this version (youngest if not specified)"))
+
+        .arg(Arg::with_name("versions")
+            .long("versions")
+            .takes_value(false)
+            .required(false)
+            .help("Only print available versions for this file"))
+
+        .arg(Arg::with_name("view-header")
+            .long("header")
+            .short("h")
+            .takes_value(false)
+            .required(false)
+            .help("View header"))
+        .arg(Arg::with_name("view-content")
+            .long("content")
+            .short("C")
+            .takes_value(false)
+            .required(false)
+            .help("View content"))
+
+        .arg(Arg::with_name("view-copy")
+            .long("copy")
+            .takes_value(false)
+            .required(false)
+            .help("Copy before opening (copies to /tmp/) and removes the file after viewing."))
+
+        .arg(Arg::with_name("keep-copy")
+            .long("keep-copy")
+            .short("k")
+            .takes_value(false)
+            .required(false)
+            .help("If --copy was passed, keep the copy after viewing."))
+
+        .subcommand(SubCommand::with_name("view-in")
+                   .about("View the entry in ...")
+                   .version("0.1")
+
+                   .arg(Arg::with_name("view-in-stdout")
+                        .long("stdout")
+                        .short("s")
+                        .takes_value(false)
+                        .required(false)
+                        .help("View by printing to stdout"))
+
+                   .arg(Arg::with_name("view-in-ui")
+                        .long("ui")
+                        .short("u")
+                        .takes_value(false)
+                        .required(false)
+                        .help("View by opening own curses-like UI (default)"))
+
+                   .arg(Arg::with_name("view-in-browser")
+                        .long("browser")
+                        .short("b")
+                        .takes_value(true) // optional, which browser
+                        .required(false)
+                        .help("View content in $BROWSER (fails if no env variable $BROWSER)"))
+
+                   .arg(Arg::with_name("view-in-texteditor")
+                        .long("editor")
+                        .short("e")
+                        .takes_value(true) // optional, which editor
+                        .required(false)
+                        .help("View content in $EDITOR"))
+
+                   .arg(Arg::with_name("view-in-custom")
+                        .long("custom")
+                        .short("c")
+                        .takes_value(true) // non-optional, call-string
+                        .required(false)
+                        .help("View content in custom program, for example 'libreoffice %e', replace '%e' with entry path"))
+                   )
+
+        .subcommand(SubCommand::with_name("compile")
+                   .about("Compile content to other format for viewing, implies that the entry gets copied to /tmp")
+                   .version("0.1")
+                   .arg(Arg::with_name("from")
+                        .long("from")
+                        .short("f")
+                        .takes_value(true) // "markdown" or "textile" or "restructuredtex"
+                        .required(true)
+                        .help("Compile from"))
+
+                   .arg(Arg::with_name("to")
+                        .long("to")
+                        .short("t")
+                        .takes_value(true) // "html" or "HTML" or ... json maybe?
+                        .required(true)
+                        .help("Compile to"))
+                   )
+}
+
+