Title: UCS Microservice Builder CLI — UCS Tools Documentation

URL Source: https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html

Published Time: Thu, 30 Oct 2025 07:23:04 GMT

Markdown Content:
UCS Microservice Builder CLI[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#ucs-microservice-builder-cli "Link to this heading")
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The **UCS Microservice Builder CLI** tool helps you create and build microservices. You can use it to list and view information about available microservices and perform NGC repository operations.

The tool is named `ucf_ms_builder_cli`.

Basic Operations[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#basic-operations "Link to this heading")
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### Viewing Help[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#viewing-help "Link to this heading")

$ ucf_ms_builder_cli -h
usage: ucf_ms_builder_cli [-h] [-v] [-va] ...

positional arguments:

 service Perform actions on a microservice
 registry Perform actions on registry
 component Perform actions on components

optional arguments:
 -h, --help show this help message and exit
 -v, --version Print MS Builder Version
 -va, --version-all Print all versions

### Checking the Tool Version[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#checking-the-tool-version "Link to this heading")

Pass the “-v” flag to any of the CLIs.

Service Command `service`[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#service-command-service "Link to this heading")
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The service command `service` helps you create and build microservices. You can also list and view information about available microservices:

$ ucf_ms_builder_cli service [-h] ...

positional arguments:

 create Create a microservice scaffolding
 clone Clone an existing microservice to a new version in prod
 build Build a microservice
 validate Validate a microservice
 list List microservices
 versions List versions of a microservice
 metadata Get service metadata from NGC
 remove Remove microservice from repo
 info Info about a microservice
 sync Sync a microservice from NGC to cache

optional arguments:
 -h, --help show this help message and exit

### Create Microservice Scaffolding[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#create-microservice-scaffolding "Link to this heading")

ucf_ms_builder_cli service create [-h] [-d DESCRIPTION] [-o OUTPUT_DIR] -n NAME -i
 {container-image,container-config,helm-chart} [-c CHART]

optional arguments:
 -h, --help show this help message and exit
 -d DESCRIPTION, --description DESCRIPTION
 description of microservice
 -o OUTPUT_DIR, --output_dir OUTPUT_DIR
 output directory to place the created microservice

required arguments:
 -n NAME, --name NAME name of the microservice
 -i {container-image,container-config,helm-chart}, --input {container-image,container-config,helm-chart}
 Input:
 container image
 container builder config
 helm chart
 -c CHART, --chart CHART
 Chart path when using prebuilt helm chart (type=3)

Example:

$ ucf_ms_builder_cli service create -n myservice -i container-image

### Building a Microservice[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#building-a-microservice "Link to this heading")

ucf_ms_builder_cli service build [-h] -d DIRECTORY [-t TARGET] [--push PUSH] [--skip-tests] [--skip-compliance] [-f] [--keep-app-specs]

options:
 -h, --help show this help message and exit
 --push PUSH Push service to specified NGC team if it builds successfully
 --skip-tests Skip building of tests
 --skip-compliance Skip compliance checks
 -f, --force-cleanup Output directory contents will be cleaned up without user confirmation
 --keep-app-specs Create app specs folder in user directory

required arguments:
 -d DIRECTORY, --directory DIRECTORY
 path to microservice directory
 -t TARGET, --target TARGET
 Target file path when using container builder config (type=2) (required by container builder)

Example:

$ ucf_ms_builder_cli service build -d myservice/

### List Available Microservices[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#list-available-microservices "Link to this heading")

ucf_ms_builder_cli service list [-h] [-r REPO_NAME]

optional arguments:
 -h, --help show this help message and exit
 -r REPO_NAME, --repo-name REPO_NAME
 Select an repository name

Example:

$ ucf_ms_builder_cli service list

### List Available Microservice Versions[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#list-available-microservice-versions "Link to this heading")

ucf_ms_builder_cli service versions [-h] -n NAME [-r REPO_NAME]

optional arguments:
 -h, --help show this help message and exit
 -n NAME, --name NAME Name of the microservice
 -r REPO_NAME, --repo-name REPO_NAME
 Select an repository name

Example:

$ ucf_ms_builder_cli service versions -n ucf.svc.myservice

### View Microservice Information[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#view-microservice-information "Link to this heading")

ucf_ms_builder_cli service info [-h] [-v MS-VERSION] [--show-compliance-details] [--show-license] [--show-docs]
 [--show-changelog] -n NAME

optional arguments:
 -h, --help show this help message and exit
 -v MS-VERSION, --version MS-VERSION
 Version of the microservice to get info for
 --show-compliance-details
 Show compliance check details for the microservice
 --show-license Show license text for the microservice
 --show-docs Show detailed documentation for the microservice
 --show-changelog Show changelog for the microservice

required arguments:
 -n NAME, --name NAME name of the ms

Example:

$ ucf_ms_builder_cli service info -n ucf.svc.myservice -v 0.0.1

### Fetching Microservice Metadata[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#fetching-microservice-metadata "Link to this heading")

ucf_ms_builder_cli service validate [-h] -n NAME -v MS-VERSION -r REPO

options:
 -h, --help show this help message and exit

required arguments:
 -n NAME, --name NAME Name of the microservice
 -v MS-VERSION, --version MS-VERSION
 Version of the microservice
 -r REPO, --repo REPO Repo(Team) where specific version of the microservice exists.

Example:

ucf_ms_builder_cli service metadata -n ucf.svc.myservice -v 0.0.1 -r dev-team

Here is an example of the output of the command for a microservice:

{
 "Org": "eevaigoeixww",
 "ServiceName": "ucf.svc.image-segmentation-client",
 "Desciption": "image-segmentation-client\n==============================\n\n## Description\nThis microservice forms the client or frontend-UI of the UCF Reference App. This client allows the user to accept any image and send it further to the Segmentation service and receive its output to be displayed on the UI.\n\n## Usage\nNA\n\n## Performance\nNA\n\n## Supported Platforms\nFor x86_64 and Nvidia dGPU\n\n## Deployment requirements\nNA\n\n## License\nLICENSE.txt has been updated for the above microservice.\n\n## Known Issues / Limitations\nNA\n\n## References\nNA",
 "CustomMetrics": [
 {
 "attributes": [
 {
 "key": "tagged_from_version",
 "value": "1.0.3"
 },
 {
 "key": "ucs_validated",
 "value": "true"
 },
 {
 "key": "created_from",
 "value": "UCS Tools 2.10.0-rc4"
 }
 ],
 "name": "ucs_tools"
 }
 ]
}

### Synchronize a Microservice[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#synchronize-a-microservice "Link to this heading")

usage: ucf_ms_builder_cli service sync [-h] -n NAME [-v MS-VERSION] [--validated] [-r REPO]

options:
 -h, --help show this help message and exit
 -v MS-VERSION, --version MS-VERSION
 Version of the microservice to sync (default: latest)
 --validated Allows the user to sync validated services only
 -r REPO, --repo REPO Repo (team) where specific version of the microservice exists.

required arguments:
 -n NAME, --name NAME Name of the microservice to sync

Example:

$ ucf_ms_builder_cli service sync -n ucf.svc.myservice -v 0.0.1

Registry Command `registry`[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#registry-command-registry "Link to this heading")
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The Registry command `registry` helps you perform various registry operations. You can set the NGC API Key, sync all microservices from an NGC repository, and manage cache:

$ ucf_ms_builder_cli registry -h
usage: ucf_ms_builder_cli registry [-h] ...

positional arguments:

 repo Registry repository operations
 cache Registry cache operations

optional arguments:
 -h, --help show this help message and exit

### Set NGC API Key[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#set-ngc-api-key "Link to this heading")

ucf_ms_builder_cli registry repo set-api-key [-h] -a API_KEY

optional arguments:
 -h, --help show this help message and exit

required arguments:
 -a API_KEY, --api-key API_KEY
 Select a API key

Example:

ucf_ms_builder_cli registry repo set-api-key -a XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

### List Available Repositories[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#list-available-repositories "Link to this heading")

ucf_ms_builder_cli registry repo list [-h]

optional arguments:
 -h, --help show this help message and exit

Example:

ucf_ms_builder_cli registry repo list

### View Information for a Repository[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#view-information-for-a-repository "Link to this heading")

ucf_ms_builder_cli registry repo info [-h] -n REPO_NAME

optional arguments:
 -h, --help show this help message and exit

required arguments:
 -n REPO_NAME, --repo-name REPO_NAME
 Select an repository name

Example:

ucf_ms_builder_cli registry repo info -n public

### Synchronize All Microservices in a Repository[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#synchronize-all-microservices-in-a-repository "Link to this heading")

ucf_ms_builder_cli registry repo sync [-h] -n REPO_NAME [-a]

optional arguments:
 -h, --help show this help message and exit
 -a, --all Sync all versions of a microservice

required arguments:
 -n REPO_NAME, --repo-name REPO_NAME
 Select an repository name

Example:

ucf_ms_builder_cli registry repo sync -n public

### Clear Local Repository[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#clear-local-repository "Link to this heading")

ucf_ms_builder_cli registry repo clear [-h]

optional arguments:
 -h, --help show this help message and exit

Example:

ucf_ms_builder_cli registry repo clear

### Set the Registry Cache Path[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#set-the-registry-cache-path "Link to this heading")

ucf_ms_builder_cli registry cache set [-h] -p CACHE_PATH

optional arguments:
 -h, --help show this help message and exit

required arguments:
 -p CACHE_PATH, --cache-path CACHE_PATH
 Select a cache path

Example:

ucf_ms_builder_cli registry cache set -p /home/ubuntu/ucf_cache

### View the Registry Cache Path[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#view-the-registry-cache-path "Link to this heading")

ucf_ms_builder_cli registry cache view [-h]

optional arguments:
 -h, --help show this help message and exit

Example:

ucf_ms_builder_cli registry cache view

### Clear the Registry Cache[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#clear-the-registry-cache "Link to this heading")

ucf_ms_builder_cli registry cache clear [-h]

optional arguments:
 -h, --help show this help message and exit

Example:

ucf_ms_builder_cli registry cache clear

Component Command `component`[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#component-command-component "Link to this heading")
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The Component command `component` helps you list and view information about components. You can use these components to implement a microservice:

$ ucf_ms_builder_cli component [-h] ...

positional arguments:

 add Recursively scan directory for components and add them to cache
 list List available components
 info Display info of a component

optional arguments:
 -h, --help show this help message and exit

### List Components[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#list-components "Link to this heading")

ucf_ms_builder_cli component list [-h]

optional arguments:
 -h, --help show this help message and exit

Example:

ucf_ms_builder_cli component list

### View Information for a Component[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#view-information-for-a-component "Link to this heading")

ucf_ms_builder_cli component info [-h] -c COMPONENT_NAME

optional arguments:
 -h, --help show this help message and exit

required arguments:
 -c COMPONENT_NAME, --component COMPONENT_NAME
 List component info

Example:

ucf_ms_builder_cli component info -c ucf.k8s.container

### Add Custom Components[#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#add-custom-components "Link to this heading")

ucf_ms_builder_cli component add [-h] -d DIR_PATH [--overwrite]

optional arguments:
 -h, --help show this help message and exit

required arguments:
 -d DIR_PATH, --directory DIR_PATH
 Directory path containing components
 --overwrite Overwrite components in cache having the same type

Example:

ucf_ms_builder_cli component add -d /home/nvidia/ucf_custom_components

Links/Buttons:
- [#](https://docs.nvidia.com/ucf/2.10.0/text/tools_reference/UCS_Tools_Reference_MsBuilder.html#add-custom-components)
