diff --git a/.github/workflows/_ci.yml b/.github/workflows/_ci.yml
index 028d7da..7773bdd 100644
--- a/.github/workflows/_ci.yml
+++ b/.github/workflows/_ci.yml
@@ -11,7 +11,9 @@ on:
 jobs:
   lint:
     name: Lint
-    runs-on: arc
+    # ubuntu-latest while arc-dind runners are unavailable during the libvirt
+    # migration. Revert to `arc` once the new k3s cluster has ARC runners up.
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -21,12 +23,5 @@ jobs:
         with:
           python-version: "3.12"
 
-      - name: Install actionlint
-        run: |
-          mkdir -p "$HOME/.local/bin"
-          curl -sSL https://github.com/rhysd/actionlint/releases/download/v1.7.7/actionlint_1.7.7_linux_amd64.tar.gz | \
-            tar xz -C "$HOME/.local/bin" actionlint
-          echo "$HOME/.local/bin" >> "$GITHUB_PATH"
-
       - name: Run pre-commit
         uses: pre-commit/action@v3.0.1
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 50c700a..4ebe63b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -12,6 +12,6 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/rhysd/actionlint
-    rev: v1.7.11
+    rev: v1.7.12
     hooks:
       - id: actionlint
diff --git a/opencode.json b/opencode.json
new file mode 100644
index 0000000..b8bcd68
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,37 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "mcp": {
+    "agent-hub": {"type": "local", "command": ["npx", "-y", "agent-hub-mcp@latest"], "enabled": true},
+    "context-mode": {"type": "local", "command": ["context-mode"], "enabled": true},
+    "context7": {"type": "remote", "url": "https://mcp.context7.com/mcp", "enabled": true},
+    "github": {"type": "remote", "url": "https://api.githubcopilot.com/mcp/", "enabled": true, "headers": {"Authorization": "Bearer {env:GITHUB_TOKEN}"}},
+    "opencode-docs": {"enabled": false},
+    "opentofu-docs": {"enabled": false},
+    "aws-docs": {"enabled": false},
+    "kubernetes": {"enabled": false},
+    "tmux": {"enabled": false},
+    "linear": {"enabled": false},
+    "notion": {"enabled": false},
+    "aws-api-staging": {"enabled": false},
+    "aws-api-prod": {"enabled": false},
+    "grafana": {"enabled": false},
+    "terraform-docs": {"enabled": false},
+    "argocd-staging-eks": {"enabled": false},
+    "argocd-prod-eks": {"enabled": false}
+  },
+  "tools": {
+    "opencode-docs_*": false,
+    "opentofu-docs_*": false,
+    "aws-docs_*": false,
+    "kubernetes_*": false,
+    "tmux_*": false,
+    "linear_*": false,
+    "notion_*": false,
+    "aws-api-staging_*": false,
+    "aws-api-prod_*": false,
+    "grafana_*": false,
+    "terraform-docs_*": false,
+    "argocd-staging-eks_*": false,
+    "argocd-prod-eks_*": false
+  }
+}