diff --git a/legacy/.config/opencode/opencode.json b/legacy/.config/opencode/opencode.json
new file mode 100644
index 0000000..4ad8621
--- /dev/null
+++ b/legacy/.config/opencode/opencode.json
@@ -0,0 +1,75 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "provider": {
+    "local-ollama": {
+      "npm": "@ai-sdk/openai-compatible",
+      "name": "Ollama",
+      "options": {
+        "baseURL": "http://ollama.home.arpa:11434/v1",
+        "apiKey": "ollama"
+      },
+      "models": {
+        "gemma4:26b": {
+          "limit": {
+            "context": 48000,
+            "output": 8192
+          },
+          "tools": true
+        }
+      }
+    }
+  },
+  "model": "local-ollama/gemma4:26b",
+  "compaction": {
+    "auto": true,
+    "prune": true,
+    "threshold": 0.75,
+    "preserve_recent_tokens": 16384,
+    "reserved": 8192
+  },
+  "tool_output": {
+    "max_bytes": 16384,
+    "max_lines": 200
+  },
+  "mcp": {
+    "nix": {
+      "type": "local",
+      "command": [
+        "nix",
+        "run",
+        "github:utensils/mcp-nixos",
+        "--"
+      ],
+      "enabled": true
+    },
+    "gitea": {
+      "type": "local",
+      "command": [
+        "nix",
+        "run",
+        "nixpkgs#gitea-mcp-server",
+        "--"
+      ],
+      "enabled": true
+    },
+    "ha": {
+      "type": "local",
+      "command": [
+        "nix",
+        "shell",
+        "nixpkgs#uv",
+        "nixpkgs#python3",
+        "--command",
+        "uv",
+        "tool",
+        "run",
+        "ha-mcp"
+      ],
+      "environment": {
+        "UV_PYTHON_DOWNLOADS": "never",
+        "UV_PYTHON_PREFERENCE": "system"
+      },
+      "enabled": true
+    }
+  }
+}