diff --git a/packages/opencode/specs/v2/api.ts b/packages/opencode/specs/v2/api.ts
new file mode 100644
index 0000000000..7a09400057
--- /dev/null
+++ b/packages/opencode/specs/v2/api.ts
@@ -0,0 +1,64 @@
+// @ts-nocheck
+
+import { OpenCode } from "@opencode-ai/core"
+import { ReadTool } from "@opencode-ai/core/tools"
+
+const opencode = OpenCode.make({})
+
+opencode.tool.add(ReadTool)
+
+opencode.tool.add({
+  name: "bash",
+  schema: {
+    type: "object",
+    properties: {
+      command: {
+        type: "string",
+        description: "The command to run.",
+      },
+    },
+    required: ["command"],
+  },
+  execute(input, ctx) {},
+})
+
+opencode.auth.add({
+  provider: "openai",
+  type: "api",
+  value: process.env.OPENAI_API_KEY,
+})
+
+opencode.agent.add({
+  name: "build",
+  permissions: [],
+  model: {
+    id: "gpt-5-5",
+    provider: "openai",
+    variant: "xhigh",
+  },
+})
+
+import { anthropic } from "@opencode-ai/core/models"
+
+const sessionID = await opencode.session.create({
+  agent: "build",
+})
+
+opencode.subscribe((event) => {
+  console.log(event)
+})
+
+await opencode.session.prompt({
+  sessionID,
+  text: "hey what is up",
+})
+
+await opencode.session.prompt({
+  sessionID,
+  text: "hey what is up",
+  role: "assistant",
+})
+
+await opencode.session.wait()
+
+console.log(await opencode.session.messages(sessionID))