Microsoft Azure GuestConfiguration

Name: GuestConfiguration API
Brand: Azure Guest Configuration
Availability: InStock

★ Only Publicly Available OpenAPI DocumentSecurityComplianceoauth27 EndpointsREST

Install Jentic One Beta

Connect the GuestConfiguration to your agent

Jentic One is a self-hosted execution layer for AI agents. It lets your agent call the GuestConfiguration, or any other public or private API you need. You set the rules, the agent never sees your credentials, and every call is logged.

Two steps, two machines. Install the instance in a safe environment, then register your agent from wherever it runs.

Step 1: Jentic One Host machine

# On the machine that will host your Jentic One instance:
curl -fsSL https://raw.githubusercontent.com/jentic/jentic-one/main/tools/install.sh | sh

Step 2: Agent machine

# On the machine where your agent runs (keep this separate from the instance):
curl -fsSL https://raw.githubusercontent.com/jentic/jentic-one/main/tools/install.sh | sh
jentic register       # connects your agent to your Jentic One instance

Jentic One is in public beta. The setup above keeps your agent separate from the instance, which is what you want before using real credentials: an agent running as the same OS user as Jentic One can read its stored keys directly. Just evaluating? A single local install is fine to start. See the secure deployment guide for the tiers.

Capabilities

What an agent can do with GuestConfiguration API.

Assign a guest configuration package to a specific Azure VM

List all guest configuration assignments on a given VM

Retrieve the current state of a single configuration assignment

GET STARTED

Start building with GuestConfiguration API

Explore with Jentic

View OpenAPI Document

For Agents

Assign in-guest configuration policies to Azure VMs and read compliance reports that show whether each VM matches its assigned baseline.

Use for: I need to assign a security baseline to VM 'web01', List all guest configuration assignments on VM 'db-prod', Retrieve the latest compliance report for the 'baseline' assignment, Check whether VM 'app-server' is compliant with its assigned configuration

Not supported: Does not author configuration packages, manage Azure Policy assignments, or run runbooks - use for assigning guest configuration baselines to VMs and reading their compliance reports only.

Jentic publishes the only available OpenAPI specification for GuestConfiguration, keeping it validated and agent-ready. The Azure Guest Configuration API assigns and audits in-guest configuration policies on Azure VMs through the Microsoft.GuestConfiguration resource provider. It lets operators apply DSC-based configuration packages, read compliance reports per VM, and enumerate the operations the resource provider supports. The API is delivered as part of Azure Resource Manager and authenticated via Azure AD OAuth2 against management.azure.com.

Use Cases

Patterns agents use GuestConfiguration API for, with concrete tasks.

★ Apply a security baseline to a VM fleet

Assign a guest configuration package such as a CIS Windows baseline to each VM via PUT on guestConfigurationAssignments. The Microsoft.GuestConfiguration extension on the VM downloads the package, applies it, and reports compliance back to Azure. Suitable for organisations with regulatory baseline requirements.

Create a guestConfigurationAssignment named 'CIS-Windows' on VM 'web01' that references the CIS Windows configuration package.

Continuous compliance reporting

Read the latest compliance report from each assignment to confirm whether VMs match their assigned baselines. The reports list endpoint returns historical reports; the get-by-ID endpoint pulls a specific report for forensic analysis. Useful for daily automated compliance dashboards.

List GuestConfigurationAssignmentReports for 'CIS-Windows' on VM 'web01' and return any report whose complianceStatus is 'NonCompliant'.

Decommission a baseline on retired hosts

Delete the guest configuration assignment when a VM is retired or moves out of scope. The DELETE endpoint removes the ARM assignment record so Azure stops requesting compliance reports from that VM. Useful at the end of a workload migration.

Delete the 'CIS-Windows' guestConfigurationAssignment from VM 'web01' as part of decommissioning the host.

AI agent-driven compliance remediation

A compliance agent uses Jentic to fetch reports for every assignment, identify NonCompliant VMs, and either re-assign the package or escalate to a human. Jentic resolves natural-language intents to the right ARM operation and injects the bearer token at execution, so the agent never holds raw Azure credentials.

Use Jentic to search for 'list azure guest configuration compliance reports', load GuestConfigurationAssignmentReports_List, and flag every VM in resource group 'web-rg' with a NonCompliant report in the last 24 hours.

Key Endpoints

7 endpoints — jentic publishes the only available openapi specification for guestconfiguration, keeping it validated and agent-ready.

METHOD

PATH

DESCRIPTION

PUT

/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachines/{vmName}/providers/Microsoft.GuestConfiguration/guestConfigurationAssignments/{guestConfigurationAssignmentName}

Create or update a guest configuration assignment on a VM

GET

/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachines/{vmName}/providers/Microsoft.GuestConfiguration/guestConfigurationAssignments

List assignments on a VM

DELETE

Delete an assignment

GET

List compliance reports for an assignment

GET

Get a specific compliance report

GET

/providers/Microsoft.GuestConfiguration/operations

List supported provider operations

PUT

Create or update a guest configuration assignment on a VM

GET

/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/virtualMachines/{vmName}/providers/Microsoft.GuestConfiguration/guestConfigurationAssignments

List assignments on a VM

DELETE

Delete an assignment

GET

List compliance reports for an assignment

Why Jentic?

Three things that make agents converge on Jentic-routed access.

Credential isolation

Your Azure service principal credentials are stored once, encrypted, by your own Jentic One instance and exchanged for a scoped Azure AD bearer token at execution time. The client secret never enters the agent's prompt, logs, or context.

Intent-based discovery

Agents search Jentic by intent such as 'assign a guest configuration baseline to an azure vm' or 'read vm compliance reports', and Jentic returns the matching guestConfigurationAssignments operation with its input schema so the agent calls the right ARM endpoint without reading Microsoft Learn.

Time to first call

FAQs

Specific to using GuestConfiguration API through Jentic.

Why is there no official OpenAPI spec for GuestConfiguration?

Microsoft Azure does not publish a stand-alone OpenAPI specification for the Guest Configuration API. Jentic generates and maintains this spec from the Microsoft.GuestConfiguration ARM surface so that AI agents and developers can call GuestConfiguration via structured tooling. It is validated against the live API and kept up to date. Get started with Jentic One, the self-hosted execution layer.

What authentication does the Guest Configuration API use?

It uses Azure AD OAuth2 against management.azure.com, declared as the azure_auth security scheme. Through Jentic, your Azure service principal credentials are stored encrypted and exchanged for a scoped bearer token at execution time.

Can I read compliance reports for a VM through this API?

Yes. Use GET on /subscriptions/.../guestConfigurationAssignments/{name}/reports to list reports, or .../reports/{reportId} to fetch a specific one. Each report includes the assignment's complianceStatus and the resources it inspected.

What are the rate limits?

Azure Resource Manager applies subscription-level throttles - roughly 12,000 reads and 1,200 writes per hour per subscription. Compliance report polling should be batched per VM rather than per resource.

How do I assign a baseline to a VM through Jentic?

Run jentic.search('assign azure guest configuration to a vm'), load the GuestConfigurationAssignments_CreateOrUpdate schema, and execute it with the subscription, resource group, VM name, assignment name, and a body referencing the configuration package. Compliance status appears under the matching reports endpoint within minutes.

Can I limit what my agent is allowed to do with the Azure Guest Configuration API?

Yes. Because you run Jentic One yourself, your own rules decide which of the seven Guest Configuration operations the agent may call and which stored Azure service principal credentials it may use. Since the VM name and assignment name travel in the URL path, you can pin the agent to read-only work such as listing and retrieving compliance reports on named assignments, while destructive operations like deleting a guest configuration assignment stay out of scope unless you explicitly add them.