diff --git a/cli/Cargo.lock b/cli/Cargo.lock
index 72e11d6..1c240bc 100644
--- a/cli/Cargo.lock
+++ b/cli/Cargo.lock
@@ -1219,7 +1219,7 @@ dependencies = [
 
 [[package]]
 name = "mobilecli"
-version = "0.2.0"
+version = "0.2.1"
 dependencies = [
 "base64",
 "chrono",
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 7b2004b..3fa62ef 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mobilecli"
-version = "0.2.0"
+version = "0.2.1"
 description = "Stream your terminal CLIs to your phone - shell hook edition"
 authors = ["MobileCLI"]
 edition = "2021"
diff --git a/cli/src/main.rs b/cli/src/main.rs
index 9fbaa88..0a50a86 100644
--- a/cli/src/main.rs
+++ b/cli/src/main.rs
@@ -130,12 +130,19 @@ async fn main() -> ExitCode {
 colored::control::set_virtual_terminal(true).ok();
 }
 
- // Initialize tracing
+ // Initialize tracing.
+ //
+ // Default to warn so the foreground UX (bare `mobilecli`, `mobilecli claude`,
+ // etc.) does not flash a wall of info-level logs at session start that then
+ // get wiped by tmux's alternate screen. Operators can opt back into verbose
+ // logs with `RUST_LOG=mobilecli=info` or `RUST_LOG=mobilecli=debug`. The
+ // background daemon process inherits this default but its own stderr is
+ // redirected to ~/.mobilecli/daemon.log, so its log volume is unchanged from
+ // the user's perspective.
+ let env_filter = tracing_subscriber::EnvFilter::try_from_default_env()
+ .unwrap_or_else(|_| tracing_subscriber::EnvFilter::new("mobilecli=warn"));
 tracing_subscriber::fmt()
- .with_env_filter(
- tracing_subscriber::EnvFilter::from_default_env()
- .add_directive("mobilecli=info".parse().unwrap()),
- )
+ .with_env_filter(env_filter)
 .with_target(false)
 .init();
 
@@ -253,7 +260,8 @@ async fn main() -> ExitCode {
 }
 
 // Determine what command to run
- let (command, args) = if run_args.args.is_empty() {
+ let bare_invocation = run_args.args.is_empty();
+ let (command, args) = if bare_invocation {
 // Use cross-platform shell detection
 let shell = platform::default_shell();
 (shell, vec![])
@@ -263,6 +271,24 @@ async fn main() -> ExitCode {
 (command, args)
 };
 
+ // For bare `mobilecli` invocations from an interactive terminal, surface a
+ // one-line discoverability hint pointing at `mobilecli help`. The hint is
+ // printed before the session starts and is intentionally short so it does
+ // not crowd the "Connected!" banner that follows from pty_wrapper.
+ if bare_invocation && !run_args.quiet {
+ use std::io::IsTerminal;
+ if std::io::stdout().is_terminal() {
+ println!(
+ "{} Tip: run {} to see commands like {}, {}, {}.",
+ "→".dimmed(),
+ "`mobilecli help`".cyan(),
+ "claude".cyan(),
+ "codex".cyan(),
+ "pair".cyan()
+ );
+ }
+ }
+
 // Generate session name
 let session_name = run_args.session_name.unwrap_or_else(|| {
 std::path::Path::new(&command)
diff --git a/cli/src/pty_wrapper.rs b/cli/src/pty_wrapper.rs
index af75151..b025329 100644
--- a/cli/src/pty_wrapper.rs
+++ b/cli/src/pty_wrapper.rs
@@ -184,6 +184,27 @@ fn request_terminal_resize(cols: u16, rows: u16) {
 set_stdout_winsize(cols, rows);
 }
 
+/// Set the host terminal window title via OSC 0. Pass an empty string to clear.
+///
+/// Skipped when stdout is not a TTY to avoid leaking escape sequences into
+/// pipes/logs. OSC 0 (`\x1b]0;<title>\x07`) sets both the icon name and the
+/// window title and is supported by every mainstream terminal emulator we
+/// target. Title characters that could themselves terminate the sequence (BEL,
+/// ESC, control bytes) are stripped to avoid corrupting downstream output.
+fn set_host_terminal_title(title: &str) {
+ if !std::io::stdout().is_terminal() {
+ return;
+ }
+ let sanitized: String = title
+ .chars()
+ .filter(&#124;c&#124; !c.is_control())
+ .take(120)
+ .collect();
+ let mut stdout = std::io::stdout();
+ let _ = write!(stdout, "\x1b]0;{}\x07", sanitized);
+ let _ = stdout.flush();
+}
+
 fn tmux_base_command(socket_name: &str) -> Command {
 let mut cmd = Command::new("tmux");
 // Use platform-appropriate null device
@@ -655,6 +676,14 @@ pub async fn run_wrapped(config: WrapConfig) -> Result<i32, WrapError> {
 );
 }
 
+ // Set the host terminal window title to advertise the linked state.
+ // OSC 0 sets both icon name and window title; survives tmux alt-screen
+ // because tmux's `set-titles` defaults to off (and we leave it off), so
+ // the host emulator retains whatever title was last set on its stdout.
+ // The next shell prompt after session end (or our explicit reset below)
+ // restores a normal title.
+ set_host_terminal_title(&format!("📱 MobileCLI · {}", config.session_name));
+
 // Create PTY
 let pty_system = native_pty_system();
 let (cols, rows) = get_terminal_size();
@@ -1177,6 +1206,11 @@ pub async fn run_wrapped(config: WrapConfig) -> Result<i32, WrapError> {
 print!("\x1bc");
 let _ = std::io::Write::flush(&mut std::io::stdout());
 
+ // Clear the MobileCLI window title set at session start. We emit an empty
+ // OSC 0 string; the next shell prompt (PROMPT_COMMAND/precmd) will set a
+ // normal title on its own.
+ set_host_terminal_title("");
+
 // Print exit message
 println!();
 if exit_code == 0 {
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://patch-diff.githubusercontent.com/raw/MobileCLI/mobilecli/pull/35.diff">(-&gt;オリジナル)</a>
/ <label>アドレス: <input type="text" name="naked_post_url" value="https://patch-diff.githubusercontent.com/raw/MobileCLI/mobilecli/pull/35.diff" size="22" /></label> <label>モード: <select name="naked_post_mode">
<option value="default">デフォルト</option>
<option value="speech">音声ブラウザ</option>
<option value="ruby">ルビ付き</option>
<option value="contrast" selected="selected">配色反転</option>
<option value="larger-text">文字拡大</option>
<option value="mobile">モバイル</option>
</select>
<input type="submit" value="表示" />
</p>
</form>
</div>