SelfHostedAgentCapabilities.ps1

Param
(
    [string]$PAT,
    [string]$Organization
)

$SelfHostedAgentCapabilities = @()

$AzureDevOpsAuthenicationHeader = @{Authorization = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(":$($PAT)")) }
$UriOrganization = "https://dev.azure.com/$($Organization)/"

$UriPools = $UriOrganization + '/_apis/distributedtask/pools?api-version=6.0'
$PoolsResult = Invoke-RestMethod -Uri $UriPools -Method get -Headers $AzureDevOpsAuthenicationHeader

Foreach ($pool in $PoolsResult.value)
{
    if ($pool.agentCloudId -ne 1)
    {
        $uriAgents = $UriOrganization + "_apis/distributedtask/pools/$($pool.Id)/agents?api-version=6.0"
        $AgentsResults = Invoke-RestMethod -Uri $uriAgents -Method get -Headers $AzureDevOpsAuthenicationHeader
        Foreach ($agent in $AgentsResults.value)
        {
            $uriSelfHostedAgentCapabilities = $UriOrganization + "_apis/distributedtask/pools/$($pool.Id)/agents/$($agent.Id)?includeCapabilities=true&api-version=6.0"
            $SelfHostedAgentCapabilitiesResult = Invoke-RestMethod -Uri $uriSelfHostedAgentCapabilities -Method get -Headers $AzureDevOpsAuthenicationHeader
            Foreach ($shac in $SelfHostedAgentCapabilitiesResult)
            {
                $Capabilities = $shac.systemCapabilities | Get-Member | where {$_.MemberType -eq 'NoteProperty'}
                Foreach ($cap in $Capabilities)
                {
                    $SelfHostedAgentCapabilities += New-Object -TypeName PSObject -Property @{
                        PoolName=$pool.name
                        AgentName=$agent.name
                        CapabilityName=$cap.Name
                        CapabilityValue=$($shac.systemCapabilities.$($cap.Name))
                    }
                }
            }
        }
    }
}

$SelfHostedAgentCapabilities | ConvertTo-Json | Out-File -FilePath "$home\desktop\SelfHostedAgentCapabilities.json"