diff --git a/.github/workflows/ans-int-test-inv_plugin.yaml b/.github/workflows/ans-int-test-inv_plugin.yaml
new file mode 100644
index 000000000..322235d1b
--- /dev/null
+++ b/.github/workflows/ans-int-test-inv_plugin.yaml
@@ -0,0 +1,88 @@
+# README:
+# - When changing the module name, it needs to be changed in 'env:MODULE_NAME' and in 'on:pull_requests:path'!
+#
+# Resources:
+# - Template for this file: https://github.com/ansible-collections/collection_template/blob/main/.github/workflows/ansible-test.yml
+# - About Ansible integration tests: https://docs.ansible.com/ansible/latest/dev_guide/testing_integration.html
+
+env:
+  NAMESPACE: checkmk
+  COLLECTION_NAME: general
+  MODULE_NAME: inv_plugin
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+name: Ansible Integration Tests for Inventory Plugin
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '0 0 * * 0'
+  pull_request:
+    branches:
+      - main
+      - devel
+    paths:
+      - 'plugins/inventory/checkmk.py'
+  push:
+    paths:
+      - '.github/workflows/ans-int-test-inv_plugin.yaml'
+      - 'plugins/inventory/checkmk.py'
+      - 'tests/integration/files/includes/'
+      - 'tests/integration/targets/inv_plugin/'
+
+jobs:
+
+  integration:
+    runs-on: ubuntu-24.04
+    name: Ⓐ${{ matrix.ansible }}+py${{ matrix.python }}
+    strategy:
+      fail-fast: false
+      matrix:
+        ansible:
+          - stable-2.17
+          - stable-2.18
+          - stable-2.19
+          - devel
+        python:
+          - '3.11'
+          - '3.12'
+        exclude:
+          # Exclude unsupported sets.
+          - ansible: devel
+            python: '3.11'
+
+    services:
+      stable_cme:
+        image: checkmk/check-mk-managed:2.4.0p10
+        ports:
+          - 5324:5000
+        env:
+          CMK_SITE_ID: "stable_cme"
+          CMK_PASSWORD: "Sup3rSec4et!"
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v5
+        with:
+          path: ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}
+
+      - name: "Install uv and set the python version."
+        uses: astral-sh/setup-uv@v6
+        with:
+          python-version: ${{ matrix.python }}
+          enable-cache: true
+          working-directory: ./ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}/
+
+      - name: "Setup uv venv."
+        run: uv venv
+        working-directory: ./ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}
+
+      - name: Install ansible-base (${{ matrix.ansible }})
+        run: uv pip install https://github.com/ansible/ansible/archive/${{ matrix.ansible }}.tar.gz
+        working-directory: ./ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}
+
+      - name: Run integration test
+        run: uv run ansible-test integration ${{env.MODULE_NAME}} -v --color --continue-on-error --diff --python ${{ matrix.python }}
+        working-directory: ./ansible_collections/${{env.NAMESPACE}}/${{env.COLLECTION_NAME}}
diff --git a/playbooks/inventory/checkmk.yml b/playbooks/inventory/checkmk.yml
index 366691fb9..271053960 100644
--- a/playbooks/inventory/checkmk.yml
+++ b/playbooks/inventory/checkmk.yml
@@ -1,8 +1,8 @@
 plugin: checkmk.general.checkmk
-server_url: "http://localhost/"
-site: "hyde"
-automation_user: "cmkadmin"
-automation_secret: "cmk"
+server_url: "http://myserver/"
+site: "mysite"
+automation_user: "myuser"
+automation_secret: "mysecret"
 validate_certs: false
 groupsources: ["hosttags", "sites"]
 want_ipv4: false
diff --git a/tests/integration/targets/inv_plugin/inventory/checkmk.yml b/tests/integration/targets/inv_plugin/inventory/checkmk.yml
new file mode 100644
index 000000000..7e3fece1e
--- /dev/null
+++ b/tests/integration/targets/inv_plugin/inventory/checkmk.yml
@@ -0,0 +1,9 @@
+plugin: checkmk.general.checkmk
+server_url: "http://127.0.0.1:5324/"
+site: "stable_cme"
+automation_user: "cmkadmin"
+automation_secret: "Sup3rSec4et!"
+validate_certs: false
+# groupsources: ["hosttags", "sites", "labels"]
+groupsources: ["hosttags", "sites"]
+want_ipv4: false
diff --git a/tests/integration/targets/inv_plugin/tasks/main.yml b/tests/integration/targets/inv_plugin/tasks/main.yml
new file mode 100644
index 000000000..238480fa2
--- /dev/null
+++ b/tests/integration/targets/inv_plugin/tasks/main.yml
@@ -0,0 +1,35 @@
+---
+- name: "Include Global Variables."
+  ansible.builtin.include_vars: "{{ lookup('ansible.builtin.first_found', checkmk_var_params) }}"
+  vars:
+    checkmk_var_params:
+      files:
+        - global.yml
+      paths:
+        - /home/runner/work/ansible-collection-checkmk.general/ansible-collection-checkmk.general/ansible_collections/checkmk/general/tests/integration/files/includes/vars/
+        - /root/ansible_collections/checkmk/general/tests/integration/files/includes/vars/
+        - tests/integration/files/includes/vars/
+
+- name: "Print Identifier."
+  ansible.builtin.debug:
+    msg: "{{ ansible_facts.system_vendor }} {{ ansible_facts.product_name }} running {{ ansible_facts.virtualization_type }}"
+
+- name: "Run preparations."
+  ansible.builtin.include_tasks: "{{ lookup('ansible.builtin.first_found', checkmk_var_params) }}"
+  vars:
+    checkmk_var_params:
+      files:
+        - prep.yml
+      paths:
+        - /home/runner/work/ansible-collection-checkmk.general/ansible-collection-checkmk.general/ansible_collections/checkmk/general/tests/integration/files/includes/tasks/
+        - /root/ansible_collections/checkmk/general/tests/integration/files/includes/tasks/
+        - tests/integration/files/includes/tasks/
+  when: |
+    (ansible_facts.system_vendor == "Dell Inc." and 'Latitude' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+    or (ansible_facts.system_vendor == "QEMU" and 'Ubuntu' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+
+- name: "Testing."
+  ansible.builtin.include_tasks: test.yml
+  loop: "{{ checkmk_var_test_sites }}"
+  loop_control:
+    loop_var: outer_item
diff --git a/tests/integration/targets/inv_plugin/tasks/test.yml b/tests/integration/targets/inv_plugin/tasks/test.yml
new file mode 100644
index 000000000..4be3e1e77
--- /dev/null
+++ b/tests/integration/targets/inv_plugin/tasks/test.yml
@@ -0,0 +1,53 @@
+---
+- name: "{{ outer_item.version }} - {{ outer_item.edition | upper }} - Set customer when needed."
+  ansible.builtin.set_fact:
+    checkmk_var_customer: "provider"
+  when: outer_item.edition == "cme"
+
+- name: "{{ outer_item.version }} - {{ outer_item.edition | upper }} - Unset customer when needed."
+  ansible.builtin.set_fact:
+    checkmk_var_customer: null
+  when: outer_item.edition != "cme"
+
+- name: "{{ outer_item.version }} - {{ outer_item.edition | upper }} - Create hosts."
+  host:
+    server_url: "{{ checkmk_var_server_url }}"
+    site: "{{ outer_item.site }}"
+    automation_user: "{{ checkmk_var_automation_user }}"
+    automation_secret: "{{ checkmk_var_automation_secret }}"
+    name: "{{ item.name }}"
+    folder: "{{ item.folder }}"
+    attributes:
+      site: "{{ outer_item.site }}"
+      ipaddress: 127.0.0.1
+    state: "present"
+  delegate_to: localhost
+  run_once: true  # noqa run-once[task]
+  loop: "{{ checkmk_var_hosts }}"
+
+- name: "{{ outer_item.version }} - {{ outer_item.edition | upper }} - Activate changes."
+  activation:
+    server_url: "{{ checkmk_var_server_url }}"
+    site: "{{ outer_item.site }}"
+    automation_user: "{{ checkmk_var_automation_user }}"
+    automation_secret: "{{ checkmk_var_automation_secret }}"
+  delegate_to: localhost
+  run_once: true  # noqa run-once[task]
+
+- name: "Run the inventory plugin on GitHub Actions."  # noqa no-changed-when
+  when: |
+    not (ansible_facts.system_vendor == "Dell Inc." and 'Latitude' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+    and not (ansible_facts.system_vendor == "QEMU" and 'Ubuntu' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+  ansible.builtin.shell: |
+    ansible-inventory -i /home/runner/work/ansible-collection-checkmk.general/ansible-collection-checkmk.general/ansible_collections/checkmk/general/tests/integration/targets/inv_plugin/inventory/checkmk.yml --list --export
+  register: __checkmk_var_inventory_output
+  failed_when: "'site_stable_cme' not in __checkmk_var_inventory_output.stdout"
+
+- name: "Run the inventory plugin on local Test VM."  # noqa no-changed-when
+  when: |
+    (ansible_facts.system_vendor == "Dell Inc." and 'Latitude' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+    or (ansible_facts.system_vendor == "QEMU" and 'Ubuntu' in ansible_facts.product_name and ansible_facts.virtualization_type == "container")
+  ansible.builtin.shell: |
+    ansible-inventory -i /root/ansible_collections/checkmk/general/tests/integration/targets/inv_plugin/inventory/checkmk.yml --list --export
+  register: __checkmk_var_inventory_output
+  failed_when: "'site_stable_cme' not in __checkmk_var_inventory_output.stdout"
diff --git a/tests/integration/targets/inv_plugin/vars/main.yml b/tests/integration/targets/inv_plugin/vars/main.yml
new file mode 100644
index 000000000..204926b56
--- /dev/null
+++ b/tests/integration/targets/inv_plugin/vars/main.yml
@@ -0,0 +1,18 @@
+---
+checkmk_var_test_sites:
+  - version: "2.4.0p10"
+    edition: "cme"
+    site: "stable_cme"
+    port: "5324"
+
+checkmk_var_hosts:
+  - name: test1.tld
+    folder: "/"
+  - name: test2.tld
+    folder: "/"
+  - name: test3.tld
+    folder: "/"
+  - name: test4.tld
+    folder: "/"
+  - name: test5.tld
+    folder: "/"