diff --git a/AGENTS.md b/AGENTS.md
index b88f700..256e8ad 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -6,7 +6,8 @@ Ansible-driven personal infrastructure repo for Void desktops, Linux workstation
 - Main orchestration: `ansible/site.yml`
 - Inventory and layering inputs: `ansible/inventory/hosts.yml`, `ansible/inventory/group_vars/*.yml`, `ansible/inventory/host_vars/*.yml`
 - Dotfiles live under `dotfiles/`
-- OpenCode loads global instructions from `dotfiles/desktop/.config/opencode/opencode.json`
+- AI agent instructions (bootstrap, rules, knowledge) are centralized in `dotfiles/common/.config/ai/` and shared between Opencode, Codex, and Gemini CLI.
+- OpenCode loads its entrypoint configuration from `dotfiles/common/.config/opencode/opencode.json`.
 
 ## Topology
 - Void desktops: `ikaros`, `nymph`
diff --git a/ansible/roles/dotfiles_common/tasks/main.yml b/ansible/roles/dotfiles_common/tasks/main.yml
index d8e90a8..9e18a72 100644
--- a/ansible/roles/dotfiles_common/tasks/main.yml
+++ b/ansible/roles/dotfiles_common/tasks/main.yml
@@ -33,7 +33,7 @@
     owner: "{{ effective_username }}"
     group: "{{ effective_user_group }}"
     mode: "{{ item.mode }}"
-  loop: "{{ common_dotfiles | default([]) }}"
+  loop: "{{ (common_dotfiles | default([])) + (ai_agents_dotfiles | default([])) }}"
   loop_control:
     label: "{{ item.dest }}"
 
diff --git a/dotfiles/desktop/.config/opencode/AGENTS.md b/dotfiles/common/.config/ai/AGENTS.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/AGENTS.md
rename to dotfiles/common/.config/ai/AGENTS.md
diff --git a/dotfiles/desktop/.config/opencode/bootstrap.md b/dotfiles/common/.config/ai/bootstrap.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/bootstrap.md
rename to dotfiles/common/.config/ai/bootstrap.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/architecture.md b/dotfiles/common/.config/ai/knowledge/architecture.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/architecture.md
rename to dotfiles/common/.config/ai/knowledge/architecture.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/cli.md b/dotfiles/common/.config/ai/knowledge/cli.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/cli.md
rename to dotfiles/common/.config/ai/knowledge/cli.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/desktop.md b/dotfiles/common/.config/ai/knowledge/desktop.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/desktop.md
rename to dotfiles/common/.config/ai/knowledge/desktop.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/dotfiles.md b/dotfiles/common/.config/ai/knowledge/dotfiles.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/dotfiles.md
rename to dotfiles/common/.config/ai/knowledge/dotfiles.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/emacs.md b/dotfiles/common/.config/ai/knowledge/emacs.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/emacs.md
rename to dotfiles/common/.config/ai/knowledge/emacs.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/infra.md b/dotfiles/common/.config/ai/knowledge/infra.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/infra.md
rename to dotfiles/common/.config/ai/knowledge/infra.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/kernel.md b/dotfiles/common/.config/ai/knowledge/kernel.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/kernel.md
rename to dotfiles/common/.config/ai/knowledge/kernel.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/os_setup.md b/dotfiles/common/.config/ai/knowledge/os_setup.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/os_setup.md
rename to dotfiles/common/.config/ai/knowledge/os_setup.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/philosophy.md b/dotfiles/common/.config/ai/knowledge/philosophy.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/philosophy.md
rename to dotfiles/common/.config/ai/knowledge/philosophy.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/server.md b/dotfiles/common/.config/ai/knowledge/server.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/server.md
rename to dotfiles/common/.config/ai/knowledge/server.md
diff --git a/dotfiles/desktop/.config/opencode/knowledge/system_programming.md b/dotfiles/common/.config/ai/knowledge/system_programming.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/knowledge/system_programming.md
rename to dotfiles/common/.config/ai/knowledge/system_programming.md
diff --git a/dotfiles/desktop/.config/opencode/patterns/ansible_role.md b/dotfiles/common/.config/ai/patterns/ansible_role.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/patterns/ansible_role.md
rename to dotfiles/common/.config/ai/patterns/ansible_role.md
diff --git a/dotfiles/desktop/.config/opencode/patterns/dotfiles_layering.md b/dotfiles/common/.config/ai/patterns/dotfiles_layering.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/patterns/dotfiles_layering.md
rename to dotfiles/common/.config/ai/patterns/dotfiles_layering.md
diff --git a/dotfiles/desktop/.config/opencode/patterns/project_structure.md b/dotfiles/common/.config/ai/patterns/project_structure.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/patterns/project_structure.md
rename to dotfiles/common/.config/ai/patterns/project_structure.md
diff --git a/dotfiles/desktop/.config/opencode/patterns/service_setup.md b/dotfiles/common/.config/ai/patterns/service_setup.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/patterns/service_setup.md
rename to dotfiles/common/.config/ai/patterns/service_setup.md
diff --git a/dotfiles/desktop/.config/opencode/rules/ansible.md b/dotfiles/common/.config/ai/rules/ansible.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/rules/ansible.md
rename to dotfiles/common/.config/ai/rules/ansible.md
diff --git a/dotfiles/desktop/.config/opencode/rules/dotfiles.md b/dotfiles/common/.config/ai/rules/dotfiles.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/rules/dotfiles.md
rename to dotfiles/common/.config/ai/rules/dotfiles.md
diff --git a/dotfiles/desktop/.config/opencode/rules/safety.md b/dotfiles/common/.config/ai/rules/safety.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/rules/safety.md
rename to dotfiles/common/.config/ai/rules/safety.md
diff --git a/dotfiles/desktop/.config/opencode/rules/workflow.md b/dotfiles/common/.config/ai/rules/workflow.md
similarity index 100%
rename from dotfiles/desktop/.config/opencode/rules/workflow.md
rename to dotfiles/common/.config/ai/rules/workflow.md
diff --git a/dotfiles/common/.config/opencode/opencode.json b/dotfiles/common/.config/opencode/opencode.json
new file mode 100644
index 0000000..45d58ea
--- /dev/null
+++ b/dotfiles/common/.config/opencode/opencode.json
@@ -0,0 +1,7 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "instructions": [
+    "~/.config/ai/bootstrap.md",
+    "~/.config/ai/rules/safety.md"
+  ]
+}
diff --git a/dotfiles/desktop/.config/opencode/opencode.json b/dotfiles/desktop/.config/opencode/opencode.json
deleted file mode 100644
index 38c088f..0000000
--- a/dotfiles/desktop/.config/opencode/opencode.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "$schema": "https://opencode.ai/config.json",
-  "instructions": [
-    "~/.config/opencode/bootstrap.md",
-    "~/.config/opencode/rules/safety.md"
-  ]
-}