diff --git a/.ddev/addon-metadata/opencode/manifest.yaml b/.ddev/addon-metadata/opencode/manifest.yaml
new file mode 100644
index 00000000..10017fab
--- /dev/null
+++ b/.ddev/addon-metadata/opencode/manifest.yaml
@@ -0,0 +1,11 @@
+name: opencode
+repository: /Users/fromme/Development/Misc/ddev-opencode
+version: ""
+install_date: "2026-01-05T16:57:43+01:00"
+project_files:
+    - web-build/Dockerfile.opencode
+    - commands/web/opencode
+    - config.opencode.yaml
+    - opencode/.gitignore
+global_files: []
+removal_actions: []
diff --git a/.ddev/commands/web/opencode b/.ddev/commands/web/opencode
new file mode 100755
index 00000000..9cc814c6
--- /dev/null
+++ b/.ddev/commands/web/opencode
@@ -0,0 +1,11 @@
+#!/bin/bash
+#ddev-generated
+
+## Description: OpenCode AI coding assistant
+## Usage: opencode
+## Example: ddev opencode [...]
+
+set -e
+
+opencode $@
+
diff --git a/.ddev/config.opencode.yaml b/.ddev/config.opencode.yaml
new file mode 100644
index 00000000..57e5c8bb
--- /dev/null
+++ b/.ddev/config.opencode.yaml
@@ -0,0 +1,6 @@
+#ddev-generated
+webimage_extra_packages:
+  - xdg-utils
+hooks:
+  post-start:
+    - exec: "mkdir -p /var/www/html/.ddev/opencode/.opencode && ln -sf /var/www/html/.ddev/opencode/.opencode ~/.opencode"
diff --git a/.ddev/opencode/.gitignore b/.ddev/opencode/.gitignore
new file mode 100644
index 00000000..3180cda2
--- /dev/null
+++ b/.ddev/opencode/.gitignore
@@ -0,0 +1,5 @@
+#ddev-generated
+
+# OpenCode internal config
+/.opencode/
+
diff --git a/.ddev/web-build/Dockerfile.opencode b/.ddev/web-build/Dockerfile.opencode
new file mode 100644
index 00000000..65b98e0a
--- /dev/null
+++ b/.ddev/web-build/Dockerfile.opencode
@@ -0,0 +1,4 @@
+#ddev-generated
+
+RUN npm install -g opencode-ai
+