diff --git a/AGENTS.md b/AGENTS.md
index 1596a27..688868a 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -279,6 +279,7 @@ Este modulo concentra:
   - publica `config.el`, `init.el`, `packages.el`
 - OpenCode:
   - publica `~/.config/opencode/opencode.json`
+  - usa `opencode.json` no root do repo para carregar contexto do projeto
   - usa `ollama/qwen2.5-coder:7b` como modelo padrao
 - Wofi:
   - publica `config`, `style.css`, `menu`, `menu.css`
diff --git a/opencode.json b/opencode.json
new file mode 100644
index 0000000..7f830a9
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,10 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "model": "ollama/qwen2.5-coder:7b",
+  "instructions": [
+    "AGENTS.md",
+    "README.md",
+    "home/ltadeu6.nix",
+    "hosts/Nixos/configuration.nix"
+  ]
+}