diff --git a/assets/settings/default.json b/assets/settings/default.json
index e6842ae4fa..c1ca00ee0a 100644
--- a/assets/settings/default.json
+++ b/assets/settings/default.json
@@ -1034,6 +1034,9 @@
   "agent": {
     // Whether the inline assistant should use streaming tools, when available
     "inline_assistant_use_streaming_tools": true,
+    // Whether to include project rules files (AGENTS.md, CLAUDE.md, .rules, etc.)
+    // in the prompt when generating git commit messages.
+    "commit_message_include_project_rules": true,
     // Whether the agent is enabled.
     "enabled": true,
     // Whether to show the agent panel button in the status bar.
diff --git a/crates/agent/src/tool_permissions.rs b/crates/agent/src/tool_permissions.rs
index d57cdb9395..02198a3f8d 100644
--- a/crates/agent/src/tool_permissions.rs
+++ b/crates/agent/src/tool_permissions.rs
@@ -580,6 +580,7 @@ mod tests {
             inline_assistant_model: None,
             inline_assistant_use_streaming_tools: false,
             commit_message_model: None,
+            commit_message_include_project_rules: true,
             commit_message_instructions: None,
             thread_summary_model: None,
             inline_alternatives: vec![],
diff --git a/crates/agent_settings/src/agent_settings.rs b/crates/agent_settings/src/agent_settings.rs
index 9b7970ba2c..037307e54e 100644
--- a/crates/agent_settings/src/agent_settings.rs
+++ b/crates/agent_settings/src/agent_settings.rs
@@ -216,6 +216,7 @@ pub struct AgentSettings {
     pub inline_assistant_model: Option<LanguageModelSelection>,
     pub inline_assistant_use_streaming_tools: bool,
     pub commit_message_model: Option<LanguageModelSelection>,
+    pub commit_message_include_project_rules: bool,
     pub commit_message_instructions: Option<String>,
     pub thread_summary_model: Option<LanguageModelSelection>,
     pub inline_alternatives: Vec<LanguageModelSelection>,
@@ -747,6 +748,9 @@ impl Settings for AgentSettings {
             inline_assistant_use_streaming_tools: agent
                 .inline_assistant_use_streaming_tools
                 .unwrap_or(true),
+            commit_message_include_project_rules: agent
+                .commit_message_include_project_rules
+                .unwrap(),
             commit_message_model: agent.commit_message_model,
             commit_message_instructions: agent.commit_message_instructions,
             thread_summary_model: agent.thread_summary_model,
diff --git a/crates/agent_ui/src/agent_ui.rs b/crates/agent_ui/src/agent_ui.rs
index 4248de814e..ad5940d21c 100644
--- a/crates/agent_ui/src/agent_ui.rs
+++ b/crates/agent_ui/src/agent_ui.rs
@@ -993,6 +993,7 @@ mod tests {
             inline_assistant_model: None,
             inline_assistant_use_streaming_tools: false,
             commit_message_model: None,
+            commit_message_include_project_rules: true,
             commit_message_instructions: None,
             thread_summary_model: None,
             inline_alternatives: vec![],
diff --git a/crates/git_ui/src/git_panel.rs b/crates/git_ui/src/git_panel.rs
index 7efa8f9b42..0ace54e100 100644
--- a/crates/git_ui/src/git_panel.rs
+++ b/crates/git_ui/src/git_panel.rs
@@ -3041,6 +3041,10 @@ impl GitPanel {
         });
 
         let temperature = AgentSettings::temperature_for_model(&model, cx);
+
+        let include_project_rules =
+            AgentSettings::get_global(cx).commit_message_include_project_rules;
+
         let instructions = AgentSettings::get_global(cx)
             .commit_message_instructions
             .clone();
@@ -3080,12 +3084,19 @@ impl GitPanel {
                 const MAX_DIFF_BYTES: usize = 20_000;
                 diff_text = Self::compress_commit_diff(&diff_text, MAX_DIFF_BYTES);
 
-                let rules_content =
-                    Self::load_project_rules(&project, &repo_work_dir, &mut cx).await;
-                let user_agents_md = cx.update(|cx| {
-                    UserAgentsMd::global(cx)
-                        .and_then(|user_agents_md| user_agents_md.content().cloned())
-                });
+                let rules_content = if include_project_rules {
+                    Self::load_project_rules(&project, &repo_work_dir, &mut cx).await
+                } else {
+                    None
+                };
+                let user_agents_md = if include_project_rules {
+                    cx.update(|cx| {
+                        UserAgentsMd::global(cx)
+                            .and_then(|user_agents_md| user_agents_md.content().cloned())
+                    })
+                } else {
+                    None
+                };
 
                 let prompt = include_str!("../src/commit_message_prompt.txt");
 
diff --git a/crates/settings_content/src/agent.rs b/crates/settings_content/src/agent.rs
index 2e2218c5e3..55bb90dd5c 100644
--- a/crates/settings_content/src/agent.rs
+++ b/crates/settings_content/src/agent.rs
@@ -248,6 +248,11 @@ pub struct AgentSettingsContent {
     pub inline_assistant_use_streaming_tools: Option<bool>,
     /// Model to use for generating git commit messages. Defaults to default_model when not specified.
     pub commit_message_model: Option<LanguageModelSelection>,
+    /// Whether to include project rules files (AGENTS.md, CLAUDE.md, .rules, etc.)
+    /// in the prompt when generating git commit messages.
+    ///
+    /// Default: true
+    pub commit_message_include_project_rules: Option<bool>,
     /// Custom instructions to include in the prompt when generating git commit messages.
     /// Applied in addition to any project rules files (such as `.rules` or `AGENTS.md`).
     pub commit_message_instructions: Option<String>,