diff --git a/pkg/engine/engine.go b/pkg/engine/engine.go
index 2c7c729d..5cbc87a8 100644
--- a/pkg/engine/engine.go
+++ b/pkg/engine/engine.go
@@ -165,8 +165,13 @@ func WithToolCategory(ctx context.Context, toolCategory ToolCategory) context.Co
 	return context.WithValue(ctx, toolCategoryKey{}, toolCategory)
 }
 
-func NewContext(ctx context.Context, prg *types.Program, input string) (Context, error) {
+func ToolCategoryFromContext(ctx context.Context) ToolCategory {
 	category, _ := ctx.Value(toolCategoryKey{}).(ToolCategory)
+	return category
+}
+
+func NewContext(ctx context.Context, prg *types.Program, input string) (Context, error) {
+	category := ToolCategoryFromContext(ctx)
 
 	callCtx := Context{
 		commonContext: commonContext{
diff --git a/pkg/monitor/display.go b/pkg/monitor/display.go
index 167498c7..73a15006 100644
--- a/pkg/monitor/display.go
+++ b/pkg/monitor/display.go
@@ -38,9 +38,7 @@ type Console struct {
 	callLock      sync.Mutex
 }
 
-var (
-	prettyIDCounter int64
-)
+var prettyIDCounter int64
 
 func (c *Console) Start(_ context.Context, prg *types.Program, _ []string, input string) (runner.Monitor, error) {
 	id := counter.Next()
@@ -290,7 +288,7 @@ func (d *display) Event(event runner.Event) {
 	d.dump.Calls[currentIndex] = currentCall
 }
 
-func (d *display) Stop(output string, err error) {
+func (d *display) Stop(_ context.Context, output string, err error) {
 	d.callLock.Lock()
 	defer d.callLock.Unlock()
 
diff --git a/pkg/monitor/fd.go b/pkg/monitor/fd.go
index 8cfeeede..9136936a 100644
--- a/pkg/monitor/fd.go
+++ b/pkg/monitor/fd.go
@@ -139,7 +139,7 @@ func (f *fd) event(event Event) {
 	}
 }
 
-func (f *fd) Stop(output string, err error) {
+func (f *fd) Stop(_ context.Context, output string, err error) {
 	e := Event{
 		Event: runner.Event{
 			Time: time.Now(),
diff --git a/pkg/runner/monitor.go b/pkg/runner/monitor.go
index 48e64b0b..363ed62b 100644
--- a/pkg/runner/monitor.go
+++ b/pkg/runner/monitor.go
@@ -6,8 +6,7 @@ import (
 	"github.com/gptscript-ai/gptscript/pkg/types"
 )
 
-type noopFactory struct {
-}
+type noopFactory struct{}
 
 func (n noopFactory) Start(context.Context, *types.Program, []string, string) (Monitor, error) {
 	return noopMonitor{}, nil
@@ -17,13 +16,12 @@ func (n noopFactory) Pause() func() {
 	return func() {}
 }
 
-type noopMonitor struct {
-}
+type noopMonitor struct{}
 
 func (n noopMonitor) Event(Event) {
 }
 
-func (n noopMonitor) Stop(string, error) {}
+func (n noopMonitor) Stop(context.Context, string, error) {}
 
 func (n noopMonitor) Pause() func() {
 	return func() {}
diff --git a/pkg/runner/runner.go b/pkg/runner/runner.go
index e4794535..3ca79abc 100644
--- a/pkg/runner/runner.go
+++ b/pkg/runner/runner.go
@@ -26,7 +26,7 @@ type MonitorFactory interface {
 type Monitor interface {
 	Event(event Event)
 	Pause() func()
-	Stop(output string, err error)
+	Stop(ctx context.Context, output string, err error)
 }
 
 type Options struct {
@@ -162,7 +162,7 @@ func (r *Runner) Chat(ctx context.Context, prevState ChatState, prg types.Progra
 		return resp, err
 	}
 	defer func() {
-		monitor.Stop(resp.Content, err)
+		monitor.Stop(ctx, resp.Content, err)
 	}()
 
 	callCtx, err := engine.NewContext(ctx, &prg, input)
@@ -425,9 +425,7 @@ func (r *Runner) start(callCtx engine.Context, state *State, monitor Monitor, en
 		}
 	}
 
-	var (
-		newState *State
-	)
+	var newState *State
 	callCtx.InputContext, newState, err = r.getContext(callCtx, state, monitor, env, input)
 	if err != nil {
 		return nil, err
@@ -632,9 +630,7 @@ func (r *Runner) resume(callCtx engine.Context, monitor Monitor, env []string, s
 			Env:            env,
 		}
 
-		var (
-			contentInput string
-		)
+		var contentInput string
 
 		if state.Continuation != nil && state.Continuation.State != nil {
 			contentInput = state.Continuation.State.Input
@@ -745,9 +741,7 @@ func (r *Runner) newDispatcher(ctx context.Context) dispatcher {
 }
 
 func (r *Runner) subCalls(callCtx engine.Context, monitor Monitor, env []string, state *State, toolCategory engine.ToolCategory) (_ *State, callResults []SubCallResult, _ error) {
-	var (
-		resultLock sync.Mutex
-	)
+	var resultLock sync.Mutex
 
 	if state.Continuation != nil {
 		callCtx.LastReturn = state.Continuation
diff --git a/pkg/sdkserver/monitor.go b/pkg/sdkserver/monitor.go
index 3a9a1014..a5b0236b 100644
--- a/pkg/sdkserver/monitor.go
+++ b/pkg/sdkserver/monitor.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/gptscript-ai/broadcaster"
+	"github.com/gptscript-ai/gptscript/pkg/engine"
 	"github.com/gptscript-ai/gptscript/pkg/runner"
 	gserver "github.com/gptscript-ai/gptscript/pkg/server"
 	"github.com/gptscript-ai/gptscript/pkg/types"
@@ -23,16 +24,19 @@ func NewSessionFactory(events *broadcaster.Broadcaster[event]) *SessionFactory {
 
 func (s SessionFactory) Start(ctx context.Context, prg *types.Program, env []string, input string) (runner.Monitor, error) {
 	id := gserver.RunIDFromContext(ctx)
+	category := engine.ToolCategoryFromContext(ctx)
 
-	s.events.C <- event{
-		Event: gserver.Event{
-			Event: runner.Event{
-				Time: time.Now(),
-				Type: runner.EventTypeRunStart,
+	if category == engine.NoCategory {
+		s.events.C <- event{
+			Event: gserver.Event{
+				Event: runner.Event{
+					Time: time.Now(),
+					Type: runner.EventTypeRunStart,
+				},
+				RunID:   id,
+				Program: prg,
 			},
-			RunID:   id,
-			Program: prg,
-		},
+		}
 	}
 
 	return &Session{
@@ -69,7 +73,13 @@ func (s *Session) Event(e runner.Event) {
 	}
 }
 
-func (s *Session) Stop(output string, err error) {
+func (s *Session) Stop(ctx context.Context, output string, err error) {
+	category := engine.ToolCategoryFromContext(ctx)
+
+	if category != engine.NoCategory {
+		return
+	}
+
 	e := event{
 		Event: gserver.Event{
 			Event: runner.Event{