diff --git a/ansible/inventory/group_vars/desktop.yml b/ansible/inventory/group_vars/desktop.yml
index db2aab2..e0ba06b 100644
--- a/ansible/inventory/group_vars/desktop.yml
+++ b/ansible/inventory/group_vars/desktop.yml
@@ -139,6 +139,13 @@ desktop_source_tools:
     install_name: bookokrat
     build_output_path: target/release/bookokrat
 
+desktop_binary_tools:
+  - name: ollama
+    install_name: ollama
+    repo: https://github.com/ollama/ollama
+    asset_arch: amd64
+    install_mode: tree
+
 desktop_npm_packages:
   - name: "opencode-ai"
     state: latest
diff --git a/ansible/roles/profile_desktop_common/tasks/binary_tool.yml b/ansible/roles/profile_desktop_common/tasks/binary_tool.yml
new file mode 100644
index 0000000..7587f13
--- /dev/null
+++ b/ansible/roles/profile_desktop_common/tasks/binary_tool.yml
@@ -0,0 +1,67 @@
+---
+- name: Check installed {{ binary_tool.name }} binary
+  ansible.builtin.stat:
+    path: "/usr/local/bin/{{ binary_tool.install_name | default(binary_tool.name) }}"
+  register: binary_installed
+
+- name: Get current {{ binary_tool.name }} version
+  ansible.builtin.command:
+    cmd: "/usr/local/bin/{{ binary_tool.install_name | default(binary_tool.name) }} --version"
+  register: binary_current_version
+  changed_when: false
+  failed_when: false
+
+- name: Set effective version for {{ binary_tool.name }}
+  ansible.builtin.set_fact:
+    binary_tool_version: >-
+      {{
+        ollama_version
+        if binary_tool.name == 'ollama'
+        else binary_tool.version | default('')
+      }}
+    binary_tool_asset_name: >-
+      {{
+        ollama_asset_name.name
+        if binary_tool.name == 'ollama'
+        else binary_tool.asset_name
+      }}
+
+- name: Ensure extraction directory exists for {{ binary_tool.name }}
+  ansible.builtin.file:
+    path: "{{ desktop_tools_tmp_dir }}/{{ binary_tool.name }}"
+    state: directory
+    mode: "0755"
+  when: binary_tool.install_mode | default('binary') != 'tree'
+
+- name: Extract {{ binary_tool.name }} archive
+  ansible.builtin.unarchive:
+    src: "{{ desktop_tools_tmp_dir }}/{{ binary_tool_asset_name }}"
+    dest: "{{ desktop_tools_tmp_dir }}/{{ binary_tool.name }}"
+    remote_src: true
+    creates: "{{ desktop_tools_tmp_dir }}/{{ binary_tool.name }}/{{ binary_tool.install_name | default(binary_tool.name) }}"
+  when:
+    - binary_tool.install_mode | default('binary') != 'tree'
+    - binary_current_version.rc != 0 or binary_current_version.stdout_lines[0] != binary_tool_version
+
+- name: Install {{ binary_tool.name }} archive tree
+  ansible.builtin.unarchive:
+    src: "{{ desktop_tools_tmp_dir }}/{{ binary_tool_asset_name }}"
+    dest: /usr/local
+    remote_src: true
+  become: true
+  when:
+    - binary_tool.install_mode | default('binary') == 'tree'
+    - binary_current_version.rc != 0 or binary_current_version.stdout_lines[0] != binary_tool_version
+
+- name: Install {{ binary_tool.name }} binary
+  ansible.builtin.copy:
+    src: "{{ desktop_tools_tmp_dir }}/{{ binary_tool.name }}/{{ binary_tool.install_name | default(binary_tool.name) }}"
+    dest: "/usr/local/bin/{{ binary_tool.install_name | default(binary_tool.name) }}"
+    remote_src: true
+    owner: root
+    group: root
+    mode: "0755"
+  become: true
+  when:
+    - binary_tool.install_mode | default('binary') != 'tree'
+    - binary_current_version.rc != 0 or binary_current_version.stdout_lines[0] != binary_tool_version
diff --git a/ansible/roles/profile_desktop_common/tasks/main.yml b/ansible/roles/profile_desktop_common/tasks/main.yml
index 0deaac4..e1af3e0 100644
--- a/ansible/roles/profile_desktop_common/tasks/main.yml
+++ b/ansible/roles/profile_desktop_common/tasks/main.yml
@@ -444,6 +444,74 @@
     loop_var: source_tool
     label: "{{ source_tool.name }}"
 
+- name: Set desktop tools tmp directory
+  tags: [packages]
+  ansible.builtin.set_fact:
+    desktop_tools_tmp_dir: /tmp/desktop-tools
+
+- name: Set ollama tool config from list
+  tags: [packages]
+  ansible.builtin.set_fact:
+    desktop_ollama_tool: >-
+      {{
+        desktop_binary_tools
+        | selectattr('name', 'equalto', 'ollama')
+        | first
+        | default({})
+      }}
+  when: "'ollama' in (desktop_binary_tools | map(attribute='name') | list)"
+
+- name: Fetch latest ollama release metadata
+  tags: [packages]
+  ansible.builtin.uri:
+    url: https://api.github.com/repos/ollama/ollama/releases/latest
+    headers:
+      Accept: application/vnd.github+json
+    return_content: true
+  register: ollama_latest_release
+  changed_when: false
+  when: "'ollama' in (desktop_binary_tools | map(attribute='name') | list)"
+
+- name: Set ollama release metadata
+  tags: [packages]
+  ansible.builtin.set_fact:
+    ollama_version: "{{ ollama_latest_release.json.tag_name | regex_replace('^v') }}"
+    ollama_asset_name: >-
+      {{
+        ollama_latest_release.json.assets
+        | selectattr('name', 'equalto', 'ollama-linux-' ~ desktop_ollama_tool.asset_arch ~ '.tar.zst')
+        | first
+        | default({})
+      }}
+  when: "'ollama' in (desktop_binary_tools | map(attribute='name') | list)"
+
+- name: Ensure temporary directory exists for desktop binary tools
+  tags: [packages]
+  ansible.builtin.file:
+    path: "{{ desktop_tools_tmp_dir }}"
+    state: directory
+    mode: "0755"
+
+- name: Fetch latest ollama release archive
+  tags: [packages]
+  ansible.builtin.get_url:
+    url: "https://github.com/ollama/ollama/releases/download/v{{ ollama_version }}/{{ ollama_asset_name.name }}"
+    dest: "{{ desktop_tools_tmp_dir }}/{{ ollama_asset_name.name }}"
+    mode: "0644"
+  when: "'ollama' in (desktop_binary_tools | map(attribute='name') | list)"
+
+- name: Install desktop binary tools
+  tags: [packages]
+  ansible.builtin.include_tasks:
+    file: binary_tool.yml
+    apply:
+      tags: [packages]
+  loop: "{{ desktop_binary_tools }}"
+  when: desktop_binary_tools | length > 0
+  loop_control:
+    loop_var: binary_tool
+    label: "{{ binary_tool.name }}"
+
 - name: Install desktop npm packages
   tags: [packages]
   community.general.npm:
diff --git a/dotfiles/desktop/.config/service/ollama/run b/dotfiles/desktop/.config/service/ollama/run
new file mode 100755
index 0000000..51d5f01
--- /dev/null
+++ b/dotfiles/desktop/.config/service/ollama/run
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -eu
+
+if [ -n "${TURNSTILE_ENV_DIR:-}" ]; then
+  exec chpst -e "$TURNSTILE_ENV_DIR" /usr/local/bin/ollama serve
+fi
+
+exec /usr/local/bin/ollama serve