diff --git a/internal/agent/tools/rg.go b/internal/agent/tools/rg.go
index 76dbb5daf2234669ac3d90552cbbc5af5cc003d0..037d1045d2715759901c8b8b51f93792abfda77c 100644
--- a/internal/agent/tools/rg.go
+++ b/internal/agent/tools/rg.go
@@ -7,11 +7,15 @@ import (
 	"path/filepath"
 	"strings"
 	"sync"
+	"testing"
 
 	"github.com/charmbracelet/crush/internal/log"
 )
 
 var getRg = sync.OnceValue(func() string {
+	if testing.Testing() {
+		return ""
+	}
 	path, err := exec.LookPath("rg")
 	if err != nil {
 		if log.Initialized() {
diff --git a/internal/agent/tools/tools.go b/internal/agent/tools/tools.go
index bf9eb179cc8320679fa42bf7a85b78e9a547cc5f..3b0424528c471a07c69190cdad55ac7516f113e2 100644
--- a/internal/agent/tools/tools.go
+++ b/internal/agent/tools/tools.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"html/template"
 	"os/exec"
+	"testing"
 
 	"charm.land/fantasy"
 )
@@ -70,6 +71,9 @@ func NewPermissionDeniedResponse() fantasy.ToolResponse {
 
 // ghAvailable indicates whether the `gh` CLI is available on PATH.
 var ghAvailable = func() bool {
+	if testing.Testing() {
+		return false
+	}
 	_, err := exec.LookPath("gh")
 	return err == nil
 }()