diff --git a/docker-compose.env b/docker-compose.env
index 610154a..c405504 100644
--- a/docker-compose.env
+++ b/docker-compose.env
@@ -2,5 +2,6 @@ SAMPLE_DIR=../../../data/sr2silo/daemon_test/samples/A1_05_2024_10_08/20241024_2
 SAMPLE_ID=A1_05_2024_10_08
 BATCH_ID=20241024_2411515907
 TIMELINE_FILE=../../../data/sr2silo/daemon_test/timeline.tsv
+PRIMER_FILE=./tests/data/samples/primers.yaml
 NEXTCLADE_REFERENCE=sars-cov2
 RESULTS_DIR=./results
diff --git a/docker-compose.yml b/docker-compose.yml
index 1e16388..4a8159a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,6 +4,7 @@ services:
     volumes:
       - ${SAMPLE_DIR}:/app/sample
       - ${TIMELINE_FILE}:/app/timeline.tsv
+      - ${PRIMER_FILE}:/app/primers.yaml
       - ${RESULTS_DIR}:/app/results
       - ./scripts/vp_config.json:/app/scripts/vp_config.json
     environment:
@@ -12,6 +13,7 @@ services:
       - SAMPLE_ID=${SAMPLE_ID}
       - BATCH_ID=${BATCH_ID}
       - TIMELINE_FILE=${TIMELINE_FILE}
+      - PRIMER_FILE=${PRIMER_FILE}
       - RESULTS_DIR=${RESULTS_DIR}
 
 volumes:
diff --git a/pyproject.toml b/pyproject.toml
index 35778cc..b0d357e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,6 +9,7 @@ packages = [{ include = "sr2silo", from = "src" }]
 [tool.poetry.dependencies]
 python = "^3.10"
 pysam = "^0.22.1"
+pyyaml = "^6.0.2"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.2.1"
diff --git a/scripts/vp_transformer.py b/scripts/vp_transformer.py
index 2ab0b93..fc1ac98 100644
--- a/scripts/vp_transformer.py
+++ b/scripts/vp_transformer.py
@@ -10,6 +10,7 @@
 from pathlib import Path
 
 import click
+import yaml
 
 from sr2silo.convert import bam_to_sam
 from sr2silo.process import pair_normalize_reads
@@ -90,7 +91,7 @@ def convert_to_iso_date(date: str) -> str:
     return date_obj.date().isoformat()
 
 
-def get_metadata(sample_id: str, batch_id: str, timeline: Path) -> dict:
+def get_metadata(sample_id: str, batch_id: str, timeline: Path, primers: Path) -> dict:
     """
     Get metadata for a given sample and batch directory.
     Cross-references the directory with the timeline file to get the metadata.
@@ -99,6 +100,7 @@ def get_metadata(sample_id: str, batch_id: str, timeline: Path) -> dict:
         sample_id (str): The sample ID to use for metadata.
         batch_id (str): The batch ID to use for metadata.
         timeline (Path): The timeline file to cross-reference the metadata.
+        primers (Path): The primers file to cross-reference the metadata.
 
     Returns:
         dict: A dictionary containing the metadata.
@@ -122,7 +124,10 @@ def get_metadata(sample_id: str, batch_id: str, timeline: Path) -> dict:
     # timline has headers:
     #  sample_id	batch_id	read_length	primer_protocol	location_code	sampling_date	location_name
     # get read length, primer protocol, location name
-    # double checl if location code and location code are the same
+    # double check if location code and location code are the same
+    if not timeline.is_file():
+        logging.error(f"Timeline file not found or is not a file: {timeline}")
+        raise FileNotFoundError(f"Timeline file not found or is not a file: {timeline}")
     with timeline.open() as f:
         reader = csv.reader(f, delimiter="\t")
         for row in reader:
@@ -162,6 +167,28 @@ def get_metadata(sample_id: str, batch_id: str, timeline: Path) -> dict:
             raise ValueError(
                 f"No matching entry found in timeline for sample_id {metadata['sample_id']} and batch_id {metadata['batch_id']}"
             )
+    # Read the primers yaml to get additional metadata
+    # find the key with matching primer_protocol and get the "name" value
+    # as the canonical name of the primer protocol
+    if not primers.is_file():
+        logging.error(f"Primers file not found or is not a file: {primers}")
+        raise FileNotFoundError(f"Primers file not found or is not a file: {primers}")
+    # Load YAML file
+    with open(primers, "r") as file:
+        primers = yaml.safe_load(file)
+    logging.debug(f"Primers: {primers}")
+    logging.debug(f" Type of primers: {type(primers)}")
+    for primer in primers.keys():
+        if primer == metadata["primer_protocol"]:
+            logging.info(
+                f"Enriching metadata with primer data e.g. primer_protocol_name"
+            )
+            metadata["primer_protocol_name"] = primers[primer]["name"]
+            break
+    else:
+        raise ValueError(
+            f"No matching entry found in primers for primer_protocol {metadata['primer_protocol']}"
+        )
     return metadata
 
 
@@ -172,6 +199,7 @@ def process_directory(
     result_dir: Path,
     nextclade_reference: str,
     timeline_file: Path,
+    primers_file: Path,
     file_name: str = "REF_aln_trim.bam",
 ) -> None:
     """Process all files in a given directory.
@@ -182,6 +210,7 @@ def process_directory(
         result_dir (Path): The directory to save the results.
         nextclade_reference (str): The reference to use for nextclade.
         timeline_file (Path): The timeline file to cross-reference the metadata.
+        primers_file (Path): The primers file to cross-reference the metadata.
         file_name (str): The name of the file to process
 
     Returns:
@@ -202,7 +231,7 @@ def process_directory(
         raise FileNotFoundError(f"Input file not found: {sample_fp}")
 
     # Get Sample and Batch metadata and write to a file
-    metadata = get_metadata(sample_id, batch_id, timeline_file)
+    metadata = get_metadata(sample_id, batch_id, timeline_file, primers_file)
     # add nextclade reference to metadata
     metadata["nextclade_reference"] = nextclade_reference
     metadata_file = result_dir / "metadata.json"
@@ -239,6 +268,7 @@ def process_directory(
 @click.option(
     "--timeline_file", envvar="TIMELINE_FILE", help="Path to the timeline file."
 )
+@click.option("--primer_file", envvar="PRIMER_FILE", help="Path to the primers file.")
 @click.option(
     "--nextclade_reference",
     envvar="NEXTCLADE_REFERENCE",
@@ -246,12 +276,19 @@ def process_directory(
     help="Nextclade reference.",
 )
 def main(
-    sample_dir, sample_id, batch_id, result_dir, timeline_file, nextclade_reference
+    sample_dir,
+    sample_id,
+    batch_id,
+    result_dir,
+    timeline_file,
+    primer_file,
+    nextclade_reference,
 ):
     """Process a sample directory."""
     logging.info(f"Processing sample directory: {sample_dir}")
     logging.info(f"Saving results to: {result_dir}")
     logging.info(f"Using timeline file: {timeline_file}")
+    logging.info(f"Using primers file: {primer_file}")
     logging.info(f"Using Nextclade reference: {nextclade_reference}")
     logging.info(f"Using sample_id: {sample_id}")
     logging.info(f"Using batch_id: {batch_id}")
@@ -262,6 +299,7 @@ def main(
         batch_id=batch_id,
         result_dir=Path("results"),
         timeline_file=Path("timeline.tsv"),
+        primers_file=Path("primers.yaml"),
         nextclade_reference=nextclade_reference,
     )
 
diff --git a/tests/data/samples/primers.yaml b/tests/data/samples/primers.yaml
new file mode 100644
index 0000000..cc6d51f
--- /dev/null
+++ b/tests/data/samples/primers.yaml
@@ -0,0 +1,44 @@
+v532:
+  name: SARS-CoV-2 ARTIC V5.3.2
+  alias:
+    - SARS-CoV-2 ARTIC V5.3.2 NEB Ultra II
+    - SARS-CoV-2 ARTIC V5.3.2 NexteraXT
+  inserts_bedfile: references/primers/v532/SARS-CoV-2.insert.bed
+  primers_bedfile: references/primers/v532/SARS-CoV-2.primer.bed
+  primers_file: references/primers/v532/SARS-CoV-2.tsv
+  primers_fasta: references/primers/v532/SARS-CoV-2.primer.fasta
+v41:
+  name: SARS-CoV-2 ARTIC V4.1
+  alias:
+    - SARS-CoV-2 ARTIC V4.1 NEB Ultra II
+    - SARS-CoV-2 ARTIC V4.1 NexteraXT
+  inserts_bedfile: references/primers/v41/SARS-CoV-2.insert.bed
+  primers_bedfile: references/primers/v41/SARS-CoV-2.primer.bed
+  primers_file: references/primers/v41/SARS-CoV-2.tsv
+  primers_fasta: references/primers/v41/SARS-CoV-2.primer.fasta
+v4:
+  name: SARS-CoV-2 ARTIC V4
+  alias:
+    - SARS-CoV-2 ARTIC V4 NEB Ultra II
+    - SARS-CoV-2 ARTIC V4 NexteraXT
+  inserts_bedfile: references/primers/v4/SARS-CoV-2.insert.bed
+  primers_bedfile: references/primers/v4/SARS-CoV-2.primer.bed
+  primers_file: references/primers/v4/SARS-CoV-2.tsv
+  primers_fasta: references/primers/v4/ARTIC_v4.fasta
+v3:
+  name: SARS-CoV-2 ARTIC V3
+  alias:
+    - ARTIC_NEB
+    - ARTICV3_NEB
+    - COVID_ARTIC_V3_NEB
+    # Not 100% exact, because Illumina introduces additional controls
+    - Illumina_COVIDSeq
+    - COVIDSeq_RUO_Custom
+    # TODO check with Viollier what custom is
+    # Nimagen: not 100% sure.
+    # TODO check with GFB and Christian
+    - EASYSEQ_SARS_COV2_WHOLE_GENOME_NGS
+  inserts_bedfile: references/primers/v3/nCoV-2019.insert.bed
+  primers_bedfile: references/primers/v3/nCoV-2019.primer.bed
+  primers_file: references/primers/v3/nCoV-2019.tsv
+  primers_fasta: references/primers/v3/ARTIC_v3.fasta
diff --git a/tests/test_scripts.py b/tests/test_scripts.py
index b15c0c2..8d00f3d 100644
--- a/tests/test_scripts.py
+++ b/tests/test_scripts.py
@@ -20,6 +20,7 @@ def test_get_metadata():
         sample_id="A1_05_2024_10_08",
         batch_id="20241024_2411515907",
         timeline=Path("tests/data/samples/timeline_A1_05_2024_10_08.tsv"),
+        primers=Path("tests/data/samples/primers.yaml"),
     )
 
     print(metadata)
@@ -35,6 +36,7 @@ def test_get_metadata():
         "read_length": "250",
         "primer_protocol": "v532",
         "location_name": "Lugano (TI)",
+        "primer_protocol_name": "SARS-CoV-2 ARTIC V5.3.2",
     }
 
     assert metadata == expected_metadata
@@ -49,5 +51,6 @@ def test_process_directory():
         Path("tests/output"),
         "nextstrain/sars-cov-2/wuhan-hu-1/orfs",
         Path("tests/data/samples/timeline_A1_05_2024_10_08.tsv"),
+        Path("tests/data/samples/primers.yaml"),
     )
     assert True