diff --git a/pkg/brain/provider.go b/pkg/brain/provider.go
index 9e1a237..529a399 100644
--- a/pkg/brain/provider.go
+++ b/pkg/brain/provider.go
@@ -94,6 +94,8 @@ func (p *BrainProvider) Describe() []api.RouteDescription {
 					"tags":       map[string]any{"type": "array", "items": map[string]any{"type": "string"}},
 					"project":    map[string]any{"type": "string"},
 					"confidence": map[string]any{"type": "number"},
+					"supersedes": map[string]any{"type": "string"},
+					"expires_in": map[string]any{"type": "integer"},
 				},
 				"required": []string{"content", "type"},
 			},
@@ -120,8 +122,10 @@ func (p *BrainProvider) Describe() []api.RouteDescription {
 					"filter": map[string]any{
 						"type": "object",
 						"properties": map[string]any{
-							"project": map[string]any{"type": "string"},
-							"type":    map[string]any{"type": "string"},
+							"project":        map[string]any{"type": "string"},
+							"type":           map[string]any{"type": "string"},
+							"agent_id":       map[string]any{"type": "string"},
+							"min_confidence": map[string]any{"type": "number"},
 						},
 					},
 				},
diff --git a/pkg/brain/provider_test.go b/pkg/brain/provider_test.go
index b557bdb..80f4bde 100644
--- a/pkg/brain/provider_test.go
+++ b/pkg/brain/provider_test.go
@@ -285,6 +285,19 @@ func TestProvider_Describe_Ugly_ReturnSliceIsDetached(t *testing.T) {
 	assert.Equal(t, "/remember", NewProvider(nil, nil).Describe()[0].Path)
 }
 
+func TestProvider_Describe_Good_BrainFields(t *testing.T) {
+	descriptions := NewProvider(nil, nil).Describe()
+
+	rememberProps := descriptions[0].RequestBody["properties"].(map[string]any)
+	assert.Contains(t, rememberProps, "supersedes")
+	assert.Contains(t, rememberProps, "expires_in")
+
+	recallProps := descriptions[1].RequestBody["properties"].(map[string]any)
+	filterProps := recallProps["filter"].(map[string]any)["properties"].(map[string]any)
+	assert.Contains(t, filterProps, "agent_id")
+	assert.Contains(t, filterProps, "min_confidence")
+}
+
 func TestProvider_Status_Good(t *testing.T) {
 	bridge, _, cleanup := connectedBridge(t)
 	defer cleanup()