diff --git a/README.md b/README.md
index d4caf94..69f1f4a 100644
--- a/README.md
+++ b/README.md
@@ -65,12 +65,12 @@ go run scripts/serverservice/add-server.go \
 
 ### 4. Import firmware definitions (optional)
 
-Note: replace `ARTIFACTS_ENDPOINT` in [firmwares.yaml](./scripts/mctl/firmwares.yaml) with endpoint serving the firmware files.
+Note: replace `ARTIFACTS_ENDPOINT` in [firmwares.json](./scripts/mctl/firmwares.json) with endpoint serving the firmware files.
 
-Import firmware defs from sample file using `mcll`.
+Import firmware defs from sample file using `mctl`.
 
 ```sh
-mctl create  firmware --from-file ./scripts/mctl/firmwares.yaml
+mctl create  firmware --from-file ./scripts/mctl/firmwares.json
 ```
 
 ### 5. Create a firmware set (optional)
diff --git a/scripts/mctl/firmwares.json b/scripts/mctl/firmwares.json
new file mode 100644
index 0000000..1a4567c
--- /dev/null
+++ b/scripts/mctl/firmwares.json
@@ -0,0 +1,96 @@
+[
+  {
+    "uuid": "f215f65a-ef5a-4af1-a035-7b890d0958f5",
+    "vendor": "supermicro",
+    "model": [
+      "x11sse-f"
+    ],
+    "filename": "X11SSE0.B25",
+    "version": "2.5",
+    "component": "bios",
+    "checksum": "md5sum:c6da4c4638c1d94c27dbea1206434cef",
+    "upstreamURL": "https://www.supermicro.com/about/policies/disclaimer.cfm?SoftwareItemID=12864",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/supermicro/X11SSE0.B25"
+  },
+  {
+    "uuid": "9d6c75dc-9f06-41cf-aedc-93973ed5f372",
+    "vendor": "dell",
+    "model": [
+      "r6515",
+      "hba330"
+    ],
+    "filename": "SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE",
+    "version": "16.17.00.05",
+    "component": "storagecontroller",
+    "checksum": "md5sum:7aaafabbea1be3c109a003ba667f0056",
+    "upstreamURL": "https://dl.dell.com/FOLDER05653958M/2/SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE"
+  },
+  {
+    "uuid": "9a01e25a-2ab3-41b9-af42-2c30dc4dd51c",
+    "vendor": "dell",
+    "model": [
+      "r750",
+      "hba355i"
+    ],
+    "filename": "SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE",
+    "version": "22.15.05.00",
+    "component": "storagecontroller",
+    "checksum": "md5sum:b9f12aeec12b00ad5aea6e3b0fef7feb",
+    "upstreamURL": "https://dl.dell.com/FOLDER08925211M/1/SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE"
+  },
+  {
+    "uuid": "effec15b-b55e-4aaa-bcd4-c53e5a3b06ba",
+    "vendor": "dell",
+    "model": [
+      "r6515"
+    ],
+    "filename": "BIOS_C4FT0_WN64_2.6.6.EXE",
+    "version": "2.6.6",
+    "component": "bios",
+    "checksum": "md5sum:60fc390b456dde9b84be3e78ca6d3886",
+    "upstreamURL": "https://dl.dell.com/FOLDER08105057M/1/BIOS_C4FT0_WN64_2.6.6.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_C4FT0_WN64_2.6.6.EXE"
+  },
+  {
+    "uuid": "ed4513bd-671a-48a5-945d-90a90578634d",
+    "vendor": "dell",
+    "model": [
+      "r6415"
+    ],
+    "filename": "BIOS_517K6_WN64_1.19.0.EXE",
+    "version": "1.19.0",
+    "component": "bios",
+    "checksum": "md5sum:00559360bb7d1e267689ee86593a3b54",
+    "upstreamURL": "https://dl.dell.com/FOLDER09230230M/1/BIOS_517K6_WN64_1.19.0.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_517K6_WN64_1.19.0.EXE"
+  },
+  {
+    "uuid": "52f1581e-db75-44e2-9566-69982545c1b7",
+    "vendor": "dell",
+    "model": [
+      "r6415",
+      "boss-s1"
+    ],
+    "filename": "SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE",
+    "version": "2.5.13.3024",
+    "component": "storagecontroller",
+    "checksum": "md5sum:f9a156b4b077c826aa65eb8f1384efc3",
+    "upstreamURL": "https://dl.dell.com/FOLDER06189651M/3/SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE"
+  },
+  {
+    "uuid": "e5ffd884-5962-47da-b3e6-938ac6da6377",
+    "vendor": "dell",
+    "model": [
+      "r640"
+    ],
+    "filename": "BIOS_NDFHH_WN64_2.15.1.EXE",
+    "version": "2.15.1",
+    "component": "bios",
+    "checksum": "md5sum:e0bcc56ae8939b1a37ed4f18048643cc",
+    "upstreamURL": "https://dl.dell.com/FOLDER08691055M/3/BIOS_NDFHH_WN64_2.15.1.EXE",
+    "repositoryURL": "https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_NDFHH_WN64_2.15.1.EXE"
+  }
+]
\ No newline at end of file
diff --git a/scripts/mctl/firmwares.yaml b/scripts/mctl/firmwares.yaml
deleted file mode 100644
index 388defd..0000000
--- a/scripts/mctl/firmwares.yaml
+++ /dev/null
@@ -1,93 +0,0 @@
-# for use with the command
-## mctl create  firmware --from-file ./samples/firmwares.yaml
-#
-# generated using,
-# curl https://localhost:8000/api/v1/server-component-firmwares | yq . -y > /tmp/firmwares.yaml
-firmwares:
-  - uuid: f215f65a-ef5a-4af1-a035-7b890d0958f5
-    vendor: supermicro
-    model:
-      - x11sse-f
-    filename: X11SSE0.B25
-    version: "2.5"
-    component: bios
-    checksum: c6da4c4638c1d94c27dbea1206434cef
-    upstreamURL: https://www.supermicro.com/about/policies/disclaimer.cfm?SoftwareItemID=12864
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/supermicro/X11SSE0.B25
-    created_at: "2023-02-22T15:32:35.514797Z"
-    updated_at: "2023-06-07T08:42:57.671185Z"
-  - uuid: 9d6c75dc-9f06-41cf-aedc-93973ed5f372
-    vendor: dell
-    model:
-      - r6515
-      - hba330
-    filename: SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE
-    version: 16.17.00.05
-    component: storagecontroller
-    checksum: md5sum:7aaafabbea1be3c109a003ba667f0056
-    upstreamURL: https://dl.dell.com/FOLDER05653958M/2/SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-Non-RAID_Firmware_YXWY1_WN32_16.17.00.05_A07_01.EXE
-    created_at: "2023-05-12T13:22:14.098904Z"
-    updated_at: "2023-06-07T08:43:11.085246Z"
-  - uuid: 9a01e25a-2ab3-41b9-af42-2c30dc4dd51c
-    vendor: dell
-    model:
-      - r750
-      - hba355i
-    filename: SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE
-    version: 22.15.05.00
-    component: storagecontroller
-    checksum: md5sum:b9f12aeec12b00ad5aea6e3b0fef7feb
-    upstreamURL: https://dl.dell.com/FOLDER08925211M/1/SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-Non-RAID_Firmware_2MHMF_WN64_22.15.05.00_A04.EXE
-    created_at: "2023-05-12T13:22:08.975622Z"
-    updated_at: "2023-06-07T08:43:11.536426Z"
-  - uuid: effec15b-b55e-4aaa-bcd4-c53e5a3b06ba
-    vendor: dell
-    model:
-      - r6515
-    filename: BIOS_C4FT0_WN64_2.6.6.EXE
-    version: 2.6.6
-    component: bios
-    checksum: 60fc390b456dde9b84be3e78ca6d3886
-    upstreamURL: https://dl.dell.com/FOLDER08105057M/1/BIOS_C4FT0_WN64_2.6.6.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_C4FT0_WN64_2.6.6.EXE
-    created_at: "2023-02-22T15:31:37.455083Z"
-    updated_at: "2023-06-07T08:43:11.310307Z"
-  - uuid: ed4513bd-671a-48a5-945d-90a90578634d
-    vendor: dell
-    model:
-      - r6415
-    filename: BIOS_517K6_WN64_1.19.0.EXE
-    version: 1.19.0
-    component: bios
-    checksum: 00559360bb7d1e267689ee86593a3b54
-    upstreamURL: https://dl.dell.com/FOLDER09230230M/1/BIOS_517K6_WN64_1.19.0.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_517K6_WN64_1.19.0.EXE
-    created_at: "2023-02-22T15:30:23.210382Z"
-    updated_at: "2023-06-07T08:43:09.672558Z"
-  - uuid: 52f1581e-db75-44e2-9566-69982545c1b7
-    vendor: dell
-    model:
-      - r6415
-      - boss-s1
-    filename: SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE
-    version: 2.5.13.3024
-    component: storagecontroller
-    checksum: md5sum:f9a156b4b077c826aa65eb8f1384efc3
-    upstreamURL: https://dl.dell.com/FOLDER06189651M/3/SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/SAS-RAID_Firmware_3P39V_WN64_2.5.13.3024_A07_02.EXE
-    created_at: "2023-05-12T13:22:07.738894Z"
-    updated_at: "2023-06-07T08:43:11.707062Z"
-  - uuid: e5ffd884-5962-47da-b3e6-938ac6da6377
-    vendor: dell
-    model:
-      - r640
-    filename: BIOS_NDFHH_WN64_2.15.1.EXE
-    version: 2.15.1
-    component: bios
-    checksum: e0bcc56ae8939b1a37ed4f18048643cc
-    upstreamURL: https://dl.dell.com/FOLDER08691055M/3/BIOS_NDFHH_WN64_2.15.1.EXE
-    repositoryURL: https://ARTIFACTS_ENDPOINT/firmware/files/dell/BIOS_NDFHH_WN64_2.15.1.EXE
-    created_at: "2023-02-22T15:30:06.710962Z"
-    updated_at: "2023-06-07T08:43:12.0239Z"