diff --git a/changelogs/fragments/8625-inventory-types.yml b/changelogs/fragments/8625-inventory-types.yml
new file mode 100644
index 0000000000..a89352a230
--- /dev/null
+++ b/changelogs/fragments/8625-inventory-types.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - "cobbler, linode, lxd, nmap, online, scaleway, stackpath_compute, virtualbox inventory plugins - make sure that all options are typed (https://github.com/ansible-collections/community.general/pull/8625)."
diff --git a/plugins/inventory/cobbler.py b/plugins/inventory/cobbler.py
index cdef9944a0..664380da8f 100644
--- a/plugins/inventory/cobbler.py
+++ b/plugins/inventory/cobbler.py
@@ -21,20 +21,24 @@ DOCUMENTATION = '''
     options:
       plugin:
         description: The name of this plugin, it should always be set to V(community.general.cobbler) for this plugin to recognize it as it's own.
+        type: string
         required: true
         choices: [ 'cobbler', 'community.general.cobbler' ]
       url:
         description: URL to cobbler.
+        type: string
         default: 'http://cobbler/cobbler_api'
         env:
             - name: COBBLER_SERVER
       user:
         description: Cobbler authentication user.
+        type: string
         required: false
         env:
             - name: COBBLER_USER
       password:
         description: Cobbler authentication password.
+        type: string
         required: false
         env:
             - name: COBBLER_PASSWORD
diff --git a/plugins/inventory/linode.py b/plugins/inventory/linode.py
index e161e086e5..5c9a4718f5 100644
--- a/plugins/inventory/linode.py
+++ b/plugins/inventory/linode.py
@@ -35,6 +35,7 @@ DOCUMENTATION = r'''
             version_added: 4.5.0
         plugin:
             description: Marks this as an instance of the 'linode' plugin.
+            type: string
             required: true
             choices: ['linode', 'community.general.linode']
         ip_style:
@@ -47,6 +48,7 @@ DOCUMENTATION = r'''
             version_added: 3.6.0
         access_token:
             description: The Linode account personal access token.
+            type: string
             required: true
             env:
                 - name: LINODE_ACCESS_TOKEN
diff --git a/plugins/inventory/lxd.py b/plugins/inventory/lxd.py
index cf64f4ee8c..9ae004f6c5 100644
--- a/plugins/inventory/lxd.py
+++ b/plugins/inventory/lxd.py
@@ -20,6 +20,7 @@ DOCUMENTATION = r'''
     options:
         plugin:
             description: Token that ensures this is a source file for the 'lxd' plugin.
+            type: string
             required: true
             choices: [ 'community.general.lxd' ]
         url:
@@ -27,8 +28,8 @@ DOCUMENTATION = r'''
             - The unix domain socket path or the https URL for the lxd server.
             - Sockets in filesystem have to start with C(unix:).
             - Mostly C(unix:/var/lib/lxd/unix.socket) or C(unix:/var/snap/lxd/common/lxd/unix.socket).
+            type: string
             default: unix:/var/snap/lxd/common/lxd/unix.socket
-            type: str
         client_key:
             description:
             - The client certificate key file path.
diff --git a/plugins/inventory/nmap.py b/plugins/inventory/nmap.py
index 2ca474a1ff..48f02c446b 100644
--- a/plugins/inventory/nmap.py
+++ b/plugins/inventory/nmap.py
@@ -20,6 +20,7 @@ DOCUMENTATION = '''
     options:
         plugin:
             description: token that ensures this is a source file for the 'nmap' plugin.
+            type: string
             required: true
             choices: ['nmap', 'community.general.nmap']
         sudo:
@@ -29,6 +30,7 @@ DOCUMENTATION = '''
             type: boolean
         address:
             description: Network IP or range of IPs to scan, you can use a simple range (10.2.2.15-25) or CIDR notation.
+            type: string
             required: true
             env:
                 - name: ANSIBLE_NMAP_ADDRESS
@@ -91,7 +93,7 @@ DOCUMENTATION = '''
             default: true
             version_added: 7.4.0
     notes:
-        - At least one of ipv4 or ipv6 is required to be True, both can be True, but they cannot both be False.
+        - At least one of O(ipv4) or O(ipv6) is required to be V(true); both can be V(true), but they cannot both be V(false).
         - 'TODO: add OS fingerprinting'
 '''
 EXAMPLES = '''
diff --git a/plugins/inventory/online.py b/plugins/inventory/online.py
index 9355d9d414..70b8d14192 100644
--- a/plugins/inventory/online.py
+++ b/plugins/inventory/online.py
@@ -16,11 +16,13 @@ DOCUMENTATION = r'''
     options:
         plugin:
             description: token that ensures this is a source file for the 'online' plugin.
+            type: string
             required: true
             choices: ['online', 'community.general.online']
         oauth_token:
             required: true
             description: Online OAuth token.
+            type: string
             env:
                 # in order of precedence
                 - name: ONLINE_TOKEN
diff --git a/plugins/inventory/scaleway.py b/plugins/inventory/scaleway.py
index dc24a17dab..4205caeca7 100644
--- a/plugins/inventory/scaleway.py
+++ b/plugins/inventory/scaleway.py
@@ -20,6 +20,7 @@ DOCUMENTATION = r'''
         plugin:
             description: Token that ensures this is a source file for the 'scaleway' plugin.
             required: true
+            type: string
             choices: ['scaleway', 'community.general.scaleway']
         regions:
             description: Filter results on a specific Scaleway region.
@@ -46,6 +47,7 @@ DOCUMENTATION = r'''
             - If not explicitly defined or in environment variables, it will try to lookup in the scaleway-cli configuration file
               (C($SCW_CONFIG_PATH), C($XDG_CONFIG_HOME/scw/config.yaml), or C(~/.config/scw/config.yaml)).
             - More details on L(how to generate token, https://www.scaleway.com/en/docs/generate-api-keys/).
+            type: string
             env:
                 # in order of precedence
                 - name: SCW_TOKEN
diff --git a/plugins/inventory/stackpath_compute.py b/plugins/inventory/stackpath_compute.py
index 6b48a49f12..8508b4e797 100644
--- a/plugins/inventory/stackpath_compute.py
+++ b/plugins/inventory/stackpath_compute.py
@@ -24,6 +24,7 @@ DOCUMENTATION = '''
             description:
                 - A token that ensures this is a source file for the plugin.
             required: true
+            type: string
             choices: ['community.general.stackpath_compute']
         client_id:
             description:
diff --git a/plugins/inventory/virtualbox.py b/plugins/inventory/virtualbox.py
index 425ed91642..d48c294fd9 100644
--- a/plugins/inventory/virtualbox.py
+++ b/plugins/inventory/virtualbox.py
@@ -22,6 +22,7 @@ DOCUMENTATION = '''
     options:
         plugin:
             description: token that ensures this is a source file for the 'virtualbox' plugin
+            type: string
             required: true
             choices: ['virtualbox', 'community.general.virtualbox']
         running_only:
@@ -30,8 +31,10 @@ DOCUMENTATION = '''
             default: false
         settings_password_file:
             description: provide a file containing the settings password (equivalent to --settingspwfile)
+            type: string
         network_info_path:
             description: property path to query for network information (ansible_host)
+            type: string
             default: "/VirtualBox/GuestInfo/Net/0/V4/IP"
         query:
             description: create vars from virtualbox properties