diff --git a/CheckMate.ps1 b/CheckMate.ps1
deleted file mode 100644
index 5384e54..0000000
--- a/CheckMate.ps1
+++ /dev/null
@@ -1,76 +0,0 @@
-<#
-    .SYNOPSIS
-    This is CheckMate. He will run everything you give him inside a "checks/" folder.
-
-    .DESCRIPTION
-    CheckMate is intended to run automated checks for a software projects repository. Its also meant to be easily extended by just adding PowerShell scripts to its checks/-folder.
-
-    .PARAMETER RepoRoot
-    The root folder to run the checks from.
-
-    .PARAMETER ReportPath
-    (optional) Specifies the output path for the report - will be generated inside the repoPath otherwise.
-
-    .EXAMPLE
-    Run only the checks from the `checks/Sanity` directory on the `./MySolution/MyProject` path and generate a `ChecksResult.md` file with the results:
-    
-    ./CheckMate.ps1 -RepoRoot "./MySolution/ProjectDirectory" -ReportPath "CheckResults.md" -ChecksBasePath "checks/Sanity"
-    
-    #>
-
-param(
-    # Root directory to run the checks for
-    [string]$RepoRoot = ".",
-
-    # Base directory for the checks to run (relative to this script)
-    [string]$ChecksBasePath = "checks",
-
-    # name of the report file to be created
-    [string]$ReportPath =  "$(get-date -f yyyy-MM-dd-HH-mm-ss)_autoreview-report.md"
-
-    # 
-)
-
-Import-Module "$PSScriptRoot/common/MarkdownReport.psd1"
-
-# Absolute Pfade berechnen
-$RepoRoot   = (Resolve-Path $RepoRoot).Path
-$checkFolder = Join-Path $PSScriptRoot $ChecksBasePath
-$reportFile  = if ([System.IO.Path]::IsPathRooted($ReportPath)) {
-    $ReportPath
-} else {
-    Join-Path $RepoRoot $ReportPath
-}
-
-$results = @{}
-
-Write-Host ">>> Repository Root: $RepoRoot"
-Write-Host ">>> Report file being generated: $reportFile"
-
-# Alle Checks rekursiv einsammeln
-Get-ChildItem -Path $checkFolder -Filter *.ps1 -Recurse | ForEach-Object {
-    $scriptPath = $_.FullName
-
-    try
-    {
-        $simplifiedCheckPath = [System.IO.Path]::GetRelativePath($checkFolder, $scriptPath)
-        Write-Host "Executing => " $simplifiedCheckPath
-        $result = & $scriptPath -RepoRoot $RepoRoot
-        $checkSuccess = $LASTEXITCODE
-        $results[$simplifiedCheckPath] = @($checkSuccess, $result)
-    }
-    catch
-    {
-        Write-Error "Exception while running `n$_"
-        $results[$scriptPath] = @(1, "Threw Exception: $_")
-    }
-}
-
-$markdownReport = New-MarkdownReport -results $results
-
-Write-Host "`n$markdownReport"
-
-Set-Content -Value $markdownReport -Encoding UTF8 $reportFile 
-Write-Host "`n See report file: $reportFile"
-
-exit 0
\ No newline at end of file
diff --git a/CheckMate.psd1 b/CheckMate.psd1
new file mode 100644
index 0000000..c5d0007
--- /dev/null
+++ b/CheckMate.psd1
@@ -0,0 +1,8 @@
+@{
+    RootModule = 'CheckMate.psm1'
+    ModuleVersion = '0.2'
+    GUID = '014c80b0-082f-4b4c-833a-55852f1a2303'
+    Author = 'renao'
+    Description = 'CheckMate - Runs checks, mate.'
+    FunctionsToExport = @('Invoke-CheckMate')
+}
\ No newline at end of file
diff --git a/CheckMate.psm1 b/CheckMate.psm1
new file mode 100644
index 0000000..de11dfc
--- /dev/null
+++ b/CheckMate.psm1
@@ -0,0 +1,98 @@
+function Invoke-CheckMate {
+    <#
+    .SYNOPSIS
+    This is CheckMate. He will run everything inside a checks folder.
+
+    .DESCRIPTION
+    CheckMate is intended to run automated checks for a software projects repository. Its also meant to be easily extended by just adding PowerShell scripts to its checks/-folder.
+
+    .PARAMETER RepoRoot
+    The root folder to run the checks from.
+
+    .PARAMETER ReportPath
+    (optional) Specifies the output path for the report - will be generated inside the repoPath otherwise.
+    
+    .PARAMETER ChecksBasePath
+    (optional) Specifies the output path for the report - will be generated inside the repoPath otherwise.
+
+    .EXAMPLE
+    Run only the checks from the `checks/Sanity` directory on the `./MySolution/MyProject` path and generate a `ChecksResult.md` file with the results:
+    
+    Invoke-CheckMate -RepoRoot "./MySolution/ProjectDirectory" -ReportPath "CheckResults.md" -ChecksBasePath "checks/Sanity"
+    
+    #>
+
+    param(
+        # Root directory to run the checks for
+        [string]$RepoRoot = ".",
+
+        # Base directory for the checks to run (relative to this script)
+        [string]$ChecksBasePath = "checks",
+
+        # name of the report file to be created
+        [string]$ReportPath =  "$(get-date -f yyyy-MM-dd-HH-mm-ss)_autoreview-report.md"
+    )
+   
+    $workingDirectory = Resolve-RepoRoot -RepoRoot $RepoRoot
+
+    if ($null -eq $workingDirectory) {
+        throw "RepoRoot is not valid or does not exist: $RepoRoot"
+    }
+    
+    $checkFolder = Join-Path $PSScriptRoot $ChecksBasePath
+    $results = @{}
+
+    # Alle Checks rekursiv einsammeln
+    Get-ChildItem -Path $checkFolder -Filter *.ps1 -Recurse | ForEach-Object {
+        $scriptPath = $_.FullName
+
+        try
+        {
+            $simplifiedCheckPath = [System.IO.Path]::GetRelativePath($checkFolder, $scriptPath)
+            $result = & $scriptPath -RepoRoot $workingDirectory
+            $checkSuccess = $LASTEXITCODE
+            $results[$simplifiedCheckPath] = @($checkSuccess, $result)
+        }
+        catch
+        {
+            Write-Error "Exception while running `n$_"
+            $results[$scriptPath] = @(1, "Threw Exception: $_")
+
+            return 1
+        }
+    }
+
+    Import-Module "$PSScriptRoot/common/MarkdownReport.psd1"
+    $markdownReport = New-MarkdownReport -results $results
+
+    Write-Output "`n$markdownReport"
+
+
+    $reportFile  = if ([System.IO.Path]::IsPathRooted($ReportPath)) {
+        $ReportPath
+    } else {
+        Join-Path $workingDirectory $ReportPath
+    }
+
+    Set-Content -Value $markdownReport -Encoding UTF8 $reportFile 
+    Write-Output "`n See report file: $reportFile"
+
+    return 0
+}
+
+function Resolve-RepoRoot {
+    param(
+        [string] $repoRoot
+    )
+    
+    $resolvedPath = Resolve-Path $repoRoot -ErrorAction SilentlyContinue
+
+    if (
+        (-not $resolvedPath) -or
+        (-not $(Test-Path -Path $resolvedPath -PathType Container)))
+    {
+        return $null
+    }
+
+    return $resolvedPath.Path
+}
\ No newline at end of file
diff --git a/README.md b/README.md
index 4d0a2f0..4b75caa 100644
--- a/README.md
+++ b/README.md
@@ -30,10 +30,18 @@ So CheckMate only needs to be run in a **PowerShell Core 7+**.
 
 ## Usage
 
-You can run `CheckMate.ps1` without adding any additional parameter:
+1. Import CheckMate
+
+Go and import the CheckMade Module in your current PowerShell session, e.g.:
+
+```powershell
+Import-Module CheckMate.psd1
+```
+
+2. Invoke CheckMate to run its tests
 
 ```powershell
-./CheckMate.ps1
+Invoke-CheckMate
 ```
 
 CheckMate will fall back to its current directory a test object, use the `checks` directory for the tests to run and generate a report file by itself.
@@ -41,7 +49,7 @@ CheckMate will fall back to its current directory a test object, use the `checks
 Anyhow, you can alter these default configuration by using the corresponding parameters:
 
 ```powershell
-./CheckMate.ps1 -repoPath "." -ChecksBasePath "./checks/Sanity" -ReportPath "CheckResults.md"
+./Invoke-CheckMate -repoPath "." -ChecksBasePath "./checks/Sanity" -ReportPath "CheckResults.md"
 ```
 
 ## License
diff --git a/tests/CheckMate.Tests.ps1 b/tests/CheckMate.Tests.ps1
index 003e480..d831086 100644
--- a/tests/CheckMate.Tests.ps1
+++ b/tests/CheckMate.Tests.ps1
@@ -1,16 +1,12 @@
-Describe "CheckMate.ps1 - Pfadauflösung" {
-    It "RepoRoot sollte als absoluter Pfad aufgelöst werden" {
-        $testRepoRoot = "."
-        $resolvedPath = (Resolve-Path $testRepoRoot).Path
-        $resolvedPath | Should -Not -BeNullOrEmpty
-        $resolvedPath | Should -Match '^([A-Za-z]:\\|\\\\\\\\|/)'  # Windows/Unix-Pfad
-    }
+BeforeAll {
+    $modulePath = Join-Path $PSScriptRoot '..\CheckMate.psd1'
+    Import-Module $modulePath -Force
+}
 
-    It "ReportPath sollte relativ zu RepoRoot aufgelöst werden, falls nicht absolut" {
-        $testRepoRoot = (Get-Location).Path
-        $testReportPath = "report.md"
-        $expectedReportPath = Join-Path $testRepoRoot $testReportPath
-        $actualReportPath = if ([System.IO.Path]::IsPathRooted($testReportPath)) { $testReportPath } else { Join-Path $testRepoRoot $testReportPath }
-        $actualReportPath | Should -Be $expectedReportPath
+Describe "Invoke-CheckMate" {
+    Context "Validating parameters" {
+        It "Exits FAILED when repository path does not exist" {
+            { Invoke-CheckMate -RepoRoot "C:\nonexistant" } | Should -Throw
+        }
     }
-}
\ No newline at end of file
+}