From 97119459dac968779dfedd5625951404cd2461cb Mon Sep 17 00:00:00 2001
From: Bright Zheng <bzqzheng@gmail.com>
Date: Sat, 16 May 2026 12:31:00 -0400
Subject: [PATCH 1/2] fix(opencode): set KimiCLI/1.5 User-Agent for
 kimi-for-coding provider

---
 packages/opencode/src/provider/provider.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index 9aa1b6304c12..2228a8214e3b 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -149,6 +149,16 @@ function custom(dep: CustomDep): Record<string, CustomLoader> {
           },
         },
       }),
+    "kimi-for-coding": () =>
+      Effect.succeed({
+        autoload: false,
+        options: {
+          headers: {
+            // Kimi's /coding gateway 429s requests from non-whitelisted User-Agents
+            "User-Agent": "KimiCLI/1.5",
+          },
+        },
+      }),
     opencode: Effect.fnUntraced(function* (input: Info) {
       const env = yield* dep.env()
       const hasKey = iife(() => {

From 5805b8d40ef956125adf9b1da047fe47a115fe53 Mon Sep 17 00:00:00 2001
From: Bright Zheng <bzqzheng@gmail.com>
Date: Sat, 16 May 2026 13:37:35 -0400
Subject: [PATCH 2/2] fix(opencode): set KimiCLI/1.5 User-Agent for
 kimi-for-coding provider

Set via model.headers so it spreads after the default opencode UA
in llm.ts streamText headers, ensuring it takes precedence.
---
 packages/opencode/src/provider/provider.ts | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/packages/opencode/src/provider/provider.ts b/packages/opencode/src/provider/provider.ts
index 2228a8214e3b..14ea67dbf3cf 100644
--- a/packages/opencode/src/provider/provider.ts
+++ b/packages/opencode/src/provider/provider.ts
@@ -149,16 +149,6 @@ function custom(dep: CustomDep): Record<string, CustomLoader> {
           },
         },
       }),
-    "kimi-for-coding": () =>
-      Effect.succeed({
-        autoload: false,
-        options: {
-          headers: {
-            // Kimi's /coding gateway 429s requests from non-whitelisted User-Agents
-            "User-Agent": "KimiCLI/1.5",
-          },
-        },
-      }),
     opencode: Effect.fnUntraced(function* (input: Info) {
       const env = yield* dep.env()
       const hasKey = iife(() => {
@@ -989,7 +979,9 @@ function fromModelsDevModel(provider: ModelsDev.Provider, model: ModelsDev.Model
       npm: model.provider?.npm ?? provider.npm ?? "@ai-sdk/openai-compatible",
     },
     status: model.status ?? "active",
-    headers: {},
+    // Kimi's /coding gateway 429s non-whitelisted User-Agents; model.headers
+    // is spread after the default opencode UA in llm.ts so it takes precedence
+    headers: provider.id === "kimi-for-coding" ? { "User-Agent": "KimiCLI/1.5" } : {},
     options: {},
     cost: cost(model.cost),
     limit: {