diff --git a/tools/certs/run.go b/tools/certs/run.go
index f0f05d7..78f302c 100644
--- a/tools/certs/run.go
+++ b/tools/certs/run.go
@@ -7,7 +7,7 @@ import (
 	"time"
 )
 
-func run() error {
+func Run() error {
 	ctx := context.Background()
 	// Choose DB implementation here (Mongo or SQLite)
 	db, err := setupMongoCertDb()
diff --git a/tools/tpps/parse.go b/tools/tpps/parse.go
index 4294634..dfd9a5c 100644
--- a/tools/tpps/parse.go
+++ b/tools/tpps/parse.go
@@ -414,7 +414,7 @@ func parseRegistry() (<-chan models.TPP, error) {
 	return res, nil
 }
 
-func saveTPPs(db Db, out <-chan models.TPP) error {
+func saveTPPs(dbImpl db, out <-chan models.TPP) error {
 	batchSize := 1000
 	batch := make([]models.TPP, 0, batchSize)
 	idx := 0
@@ -422,7 +422,7 @@ func saveTPPs(db Db, out <-chan models.TPP) error {
 		idx += 1
 		batch = append(batch, tpp)
 		if idx == batchSize {
-			err := db.SaveTPPs(context.TODO(), "tpps", batch)
+			err := dbImpl.SaveTPPs(context.TODO(), "tpps", batch)
 			if err != nil {
 				return err
 			}
@@ -431,7 +431,7 @@ func saveTPPs(db Db, out <-chan models.TPP) error {
 		}
 	}
 	if len(batch) > 0 {
-		err := db.SaveTPPs(context.TODO(), "tpps", batch)
+		err := dbImpl.SaveTPPs(context.TODO(), "tpps", batch)
 		if err != nil {
 			return err
 		}
diff --git a/tools/tpps/run.go b/tools/tpps/run.go
index 153595e..c2d85d3 100644
--- a/tools/tpps/run.go
+++ b/tools/tpps/run.go
@@ -6,12 +6,12 @@ import (
 	"github.com/botsman/tppVerifier/app/models"
 )
 
-type Db interface {
+type db interface {
 	SaveTPPs(ctx context.Context, collection string, tpp []models.TPP) error
 	Disconnect(ctx context.Context) error
 }
 
-func run() error {
+func Run() error {
 	// Download and parse the registry
 	// populate DB
 	// 1. Download metadata at https://euclid.eba.europa.eu/register/api/filemetadata?t=1737374419184