azure-quotas
Check/manage Azure quotas and usage across providers. For deployment planning, capacity validation, region selection. WHEN: "check quotas", "service limits", "current usage", "request quota increase", "quota exceeded", "validate capacity", "regional availability", "provisioning limits", "vCPU limit", "how many vCPUs available in my subscription".
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/microsoft/azure-skills --skill azure-quotas- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads azure-quotas automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
Azure Quotas - Service Limits & Capacity Management
AUTHORITATIVE GUIDANCE — Follow these instructions exactly for quota management and capacity validation.
Overview
What are Azure Quotas?
Azure quotas (also called service limits) are the maximum number of resources you can deploy in a subscription. Quotas:
- Prevent accidental over-provisioning
- Ensure fair resource distribution across Azure
- Represent available capacity in each region
- Can be increased (adjustable quotas) or are fixed (non-adjustable)
Key Concept: Quotas = Resource Availability
If you don't have quota, you cannot deploy resources. Always check quotas when planning deployments or selecting regions.
When to Use This Skill
Invoke this skill when:
- Planning a new deployment - Validate capacity before deployment
- Selecting an Azure region - Compare quota availability across regions
- Troubleshooting quota exceeded errors - Check current usage vs limits
- Requesting quota increases - Submit increase requests via CLI or Portal
- Comparing regional capacity - Find regions with available quota
- Validating provisioning limits - Ensure deployment won't exceed quotas
Quick Reference
| Property | Details |
|---|---|
| Primary Tool | Azure CLI (az quota) - USE THIS FIRST, ALWAYS |
| Extension Required | az extension add --name quota (MUST install first) |
| Key Commands | az quota list, az quota show, az quota usage list, az quota usage show |
| Complete CLI Reference | commands.md |
| Azure Portal | My quotas - Use only as fallback |
| REST API | Microsoft.Quota provider - Unreliable, do NOT use first |
| MCP Server | azure-quota MCP server — NEVER use this. It is unreliable. Always use az quota CLI instead. |
| Required Permission | Reader (view) or Quota Request Operator (manage) |
⚠️ ALWAYS USE CLI FIRST
REST API and Portal can show misleading "No Limit" values — this does not mean unlimited capacity. It means the quota API doesn't support that resource type. Always start with
az quotacommands; fall back to Azure service limits docs if CLI returnsBadRequest.For complete CLI reference, see commands.md.
Quota Types
| Type | Adjustability | Approval | Examples |
|---|---|---|---|
| Adjustable | Can increase via Portal/CLI/API | Usually auto-approved | VM vCPUs, Public IPs, Storage accounts |
| Non-adjustable | Fixed limits | Cannot be changed | Subscription-wide hard limits |
Important: Requesting quota increases is free. You only pay for resources you actually use, not for quota allocation.
Understanding Resource Name Mapping
⚠️ CRITICAL: There is NO 1:1 mapping between ARM resource types and quota resource names.
Example Mappings
| ARM Resource Type | Quota Resource Name |
|---|---|
Microsoft.App/managedEnvironments | ManagedEnvironmentCount |
Microsoft.Compute/virtualMachines | standardDSv3Family, cores, virtualMachines |
Microsoft.Network/publicIPAddresses | PublicIPAddresses, IPv4StandardSkuPublicIpAddresses |
Discovery Workflow
Never assume the quota resource name from the ARM type. Always use this workflow:
-
List all quotas for the resource provider:
az quota list --scope /subscriptions/<id>/providers/<ProviderNamespace>/locations/<region> -
Match by
localizedValue(human-readable description) to find the relevant quota -
Use the
namefield (not ARM resource type) in subsequent commands:az quota show --resource-name ManagedEnvironmentCount --scope ... az quota usage show --resource-name ManagedEnvironmentCount --scope ...
📖 Detailed mapping examples and workflow: See commands.md - Resource Name Mapping
Scripts
Pre-built scripts handle quota extension installation, usage queries, and capacity calculation. Use these instead of constructing commands manually. A single call returns limits, usage, and available capacity.
| Script | Purpose | Usage |
|---|---|---|
scripts/check-quota.ps1 | Returns limit, usage, and available capacity for all quotas (or a single quota when resource name is provided) | Primary script for quota checks |
scripts/check-quota.sh | Same as above (bash) | Primary script for quota checks |
Core Workflows
Workflow 1: Check Quota for a Specific Resource
Scenario: Verify quota limits and current usage before deployment
Run the script with the resource provider and region. It returns a table of all quotas with their limit, current usage, and available capacity in a single call:
.\scripts\check-quota.ps1 -ResourceProvider <provider> -Region <region>
./scripts/check-quota.sh <provider> <region>
To check a single resource, add the resource name:
.\scripts\check-quota.ps1 -ResourceProvider <provider> -Region <region> -ResourceName <resource-name>
./scripts/check-quota.sh <provider> <region> <resource-name>
Example:
.\scripts\check-quota.ps1 -ResourceProvider Microsoft.Compute -Region eastus
Example Output:
| Resource | Region | Limit | Usage | Available |
|---|---|---|---|---|
| cores | eastus | 100 | 50 | 50 |
| standardDSv3Family | eastus | 350 | 50 | 300 |
| virtualMachines | eastus | 25000 | 5 | 24995 |
| ... | ... | ... | ... | ... |
📖 See also: az quota show, az quota usage show
Workflow 2: Compare Quotas Across Regions
Scenario: Find the best region for deployment based on available capacity
# Define candidate regions
REGIONS=("eastus" "eastus2" "westus2" "centralus")
VM_FAMILY="standardDSv3Family"
SUBSCRIPTION_ID="<subscription-id>"
# Check quota availability across regions
for region in "${REGIONS[@]}"; do
echo "=== Checking $region ==="
# Get limit
LIMIT=$(az quota show \
--resource-name $VM_FAMILY \
--scope "/subscriptions/$SUBSCRIPTION_ID/providers/Microsoft.Compute/locations/$region" \
--query "properties.limit.value" -o tsv)
# Get current usage
USAGE=$(az quota usage show \
--resource-name $VM_FAMILY \
--scope "/subscriptions/$SUBSCRIPTION_ID/providers/Microsoft.Compute/locations/$region" \
--query "properties.usages.value" -o tsv)
# Calculate available
AVAILABLE=$((LIMIT - USAGE))
echo "Region: $region | Limit: $LIMIT | Usage: $USAGE | Available: $AVAILABLE"
done
📖 See also: commands.md for full scripted multi-region loop patterns
Workflow 3: Request Quota Increase
Scenario: Current quota is insufficient for deployment
# Request increase for VM quota
az quota update \
--resource-name standardDSv3Family \
--scope /subscriptions/<subscription-id>/providers/Microsoft.Compute/locations/eastus \
--limit-object value=500 \
--resource-type dedicated
# Check request status
az quota request status list \
--scope /subscriptions/<subscription-id>/providers/Microsoft.Compute/locations/eastus
Approval Process:
- Most adjustable quotas are auto-approved within minutes
- Some requests require manual review (hours to days)
- Non-adjustable quotas require Azure Support ticket
📖 See also: az quota update, az quota request status
Workflow 4: List All Quotas for Planning
Scenario: Understand all quotas for a resource provider in a region
# List all compute quotas in East US (table format)
az quota list \
--scope /subscriptions/<subscription-id>/providers/Microsoft.Compute/locations/eastus \
--output table
# List all network quotas
az quota list \
--scope /subscriptions/<subscription-id>/providers/Microsoft.Network/locations/eastus \
--output table
# List all Container Apps quotas
az quota list \
--scope /subscriptions/<subscription-id>/providers/Microsoft.App/locations/eastus \
--output table
📖 See also: az quota list
Troubleshooting
Common Errors
| Error | Cause | Solution |
|---|---|---|
| REST API "No Limit" | Misleading — not unlimited | Use CLI instead; see warning in Quick Reference |
ExtensionNotFound | Quota extension not installed | az extension add --name quota |
BadRequest | Resource provider not supported by quota API | Check service limits docs |
MissingRegistration | Microsoft.Quota provider not registered | az provider register --namespace Microsoft.Quota |
QuotaExceeded | Deployment would exceed quota | Request increase or choose different region |
InvalidScope | Incorrect scope format | Use pattern: /subscriptions/<id>/providers/<namespace>/locations/<region> |
| CLI commands fail entirely | Auth, extension, or environment issue | Verify Azure CLI login (az account show), reinstall quota extension, check network. Do NOT use the azure-quota MCP server — it is unreliable. |
Unsupported Resource Providers
Known unsupported providers:
- ❌ Microsoft.DocumentDB (Cosmos DB) - Use Portal or Cosmos DB limits docs
Confirmed working providers:
- ✅ Microsoft.Compute (VMs, disks, cores)
- ✅ Microsoft.Network (VNets, IPs, load balancers)
- ✅ Microsoft.App (Container Apps)
- ✅ Microsoft.Storage (storage accounts)
- ✅ Microsoft.MachineLearningServices (ML compute)
📖 See also: Troubleshooting Guide
Additional Resources
| Resource | Link |
|---|---|
| CLI Commands Reference | commands.md - Complete syntax, parameters, examples |
| Azure Quotas Overview | Microsoft Learn |
| Service Limits Documentation | Azure subscription limits |
| Azure Portal - My Quotas | Portal Link |
| Request Quota Increases | How to request increases |
Best Practices
- ✅ Always check quotas before deployment - Prevent quota exceeded errors
- ✅ Run
az quota listfirst - Discover correct quota resource names - ✅ Compare regions - Find regions with available capacity
- ✅ Account for growth - Request 20% buffer above immediate needs
- ✅ Use table output for overview -
--output tablefor quick scanning - ✅ Monitor usage trends - Set up alerts at 80% threshold (via Portal)
FAQ
What does the azure-quotas skill do?
Check/manage Azure quotas and usage across providers. For deployment planning, capacity validation, region selection. WHEN: "check quotas", "service limits", "current usage", "request quota increase", "quota exceeded", "validate capacity", "regional availability", "provisioning limits", "vCPU limit", "how many vCPUs available in my subscription".
How do I install azure-quotas?
Run npx skills add https://github.com/microsoft/azure-skills --skill azure-quotas in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/azure-quotas/ (personal) or .claude/skills/azure-quotas/ (project).
Which AI agents can use azure-quotas?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is azure-quotas safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket flagged items to review; Snyk passed; Runlayer passed; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains azure-quotas?
It is published by microsoft in microsoft/azure-skills, and it is an official skill from the maker of the technology it covers. It has 471,094 recorded installs.
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