diff --git a/mise.toml b/mise.toml
index 8404fe57..9262e2a5 100644
--- a/mise.toml
+++ b/mise.toml
@@ -1,5 +1,6 @@
 [tools]
 "gem:ruby-lsp" = "latest"
+"github:bnomei/wtp-mcp" = "latest"
 ruby = "4.0.2"
 
 [env]
diff --git a/opencode.json b/opencode.json
new file mode 100644
index 00000000..fa2961ee
--- /dev/null
+++ b/opencode.json
@@ -0,0 +1,11 @@
+{
+  "$schema": "https://opencode.ai/config.json",
+  "mcp": {
+    "wtp": {
+      "type": "local",
+      "command": [
+        "wtp-mcp-rs"
+      ]
+    }
+  }
+}