diff --git a/loop/agent.go b/loop/agent.go
index c8891cd..273964f 100644
--- a/loop/agent.go
+++ b/loop/agent.go
@@ -78,6 +78,7 @@
 	OriginalBudget() conversation.Budget
 
 	WorkingDir() string
+	RepoRoot() string
 
 	// Diff returns a unified diff of changes made since the agent was instantiated.
 	// If commit is non-nil, it shows the diff for just that specific commit.
@@ -728,6 +729,11 @@
 	return a.workingDir
 }
 
+// RepoRoot returns the git repository root directory.
+func (a *Agent) RepoRoot() string {
+	return a.repoRoot
+}
+
 // MessageCount implements CodingAgent.
 func (a *Agent) MessageCount() int {
 	a.mu.Lock()