diff --git a/src/config.rs b/src/config.rs
index 7ffea86d..02cc77f5 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -26,6 +26,11 @@ pub struct HooksConfig {
     /// Survives `rtk init -g` re-runs since config.toml is user-owned.
     #[serde(default)]
     pub exclude_commands: Vec<String>,
+    /// Suppress "No hook installed" and "Hook outdated" warnings.
+    /// Useful when running rtk via CLAUDE.md instructions instead of hooks,
+    /// or with tools like OpenCode that don't use Claude Code hooks.
+    #[serde(default)]
+    pub suppress_hook_warning: bool,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -127,6 +132,19 @@ pub fn limits() -> LimitsConfig {
     Config::load().map(|c| c.limits).unwrap_or_default()
 }
 
+/// Check if hook warnings are suppressed via config or env var.
+pub fn hook_warning_suppressed() -> bool {
+    if std::env::var("RTK_SUPPRESS_HOOK_WARNING")
+        .map(|v| v == "1" || v.eq_ignore_ascii_case("true"))
+        .unwrap_or(false)
+    {
+        return true;
+    }
+    Config::load()
+        .map(|c| c.hooks.suppress_hook_warning)
+        .unwrap_or(false)
+}
+
 /// Check if telemetry is enabled in config. Returns None if config can't be loaded.
 pub fn telemetry_enabled() -> Option<bool> {
     Config::load().ok().map(|c| c.telemetry.enabled)
@@ -205,6 +223,7 @@ exclude_commands = ["curl", "gh"]
     fn test_hooks_config_default_empty() {
         let config = Config::default();
         assert!(config.hooks.exclude_commands.is_empty());
+        assert!(!config.hooks.suppress_hook_warning);
     }
 
     #[test]
@@ -216,5 +235,26 @@ history_days = 90
 "#;
         let config: Config = toml::from_str(toml).expect("valid toml");
         assert!(config.hooks.exclude_commands.is_empty());
+        assert!(!config.hooks.suppress_hook_warning);
+    }
+
+    #[test]
+    fn test_suppress_hook_warning_deserialize() {
+        let toml = r#"
+[hooks]
+suppress_hook_warning = true
+"#;
+        let config: Config = toml::from_str(toml).expect("valid toml");
+        assert!(config.hooks.suppress_hook_warning);
+    }
+
+    #[test]
+    fn test_suppress_hook_warning_default_false() {
+        let toml = r#"
+[hooks]
+exclude_commands = ["curl"]
+"#;
+        let config: Config = toml::from_str(toml).expect("valid toml");
+        assert!(!config.hooks.suppress_hook_warning);
     }
 }
diff --git a/src/hook_check.rs b/src/hook_check.rs
index 2716ec15..6c6cb7ae 100644
--- a/src/hook_check.rs
+++ b/src/hook_check.rs
@@ -55,6 +55,11 @@ fn check_and_warn() -> Option<()> {
         HookStatus::Outdated => "[rtk] /!\\ Hook outdated — run `rtk init -g` to update",
     };
 
+    // Suppress if configured via config.toml or RTK_SUPPRESS_HOOK_WARNING env var
+    if crate::config::hook_warning_suppressed() {
+        return Some(());
+    }
+
     // Rate limit: warn once per day
     let marker = warn_marker_path()?;
     if let Ok(meta) = std::fs::metadata(&marker) {