fix(ollama): check model template for tool support via /api/show

core/llm/llms/Ollama.ts

@@ -161,6 +161,7 @@ class Ollama extends BaseLLM implements ModelInstaller {
   private static modelsBeingInstalledMutex = new Mutex();
 
   private fimSupported: boolean = false;
+  private templateSupportsTools: boolean | undefined = undefined;
   constructor(options: LLMOptions) {
     super(options);
 
@@ -227,6 +228,11 @@ class Ollama extends BaseLLM implements ModelInstaller {
          * it's a good indication the model supports FIM.
          */
         this.fimSupported = !!body?.template?.includes(".Suffix");
+
+        // Check if model template supports tool calling (same pattern as .Suffix above)
+        if (body?.template) {
+          this.templateSupportsTools = body.template.includes(".Tools");
+        }
       })
       .catch((e) => {
         // console.warn("Error calling the Ollama /api/show endpoint: ", e);
@@ -424,8 +430,12 @@ class Ollama extends BaseLLM implements ModelInstaller {
       stream: options.stream,
       // format: options.format, // Not currently in base completion options
     };
-    // This logic is because tools can ONLY be included with user message for ollama
-    if (options.tools?.length && ollamaMessages.at(-1)?.role === "user") {
+    // Only include tools with user messages, and only if the template supports them
+    if (
+      options.tools?.length &&
+      ollamaMessages.at(-1)?.role === "user" &&
+      this.templateSupportsTools !== false
+    ) {
       chatOptions.tools = options.tools.map((tool) => ({
         type: "function",
         function: {

core/llm/toolSupport.ts

@@ -155,6 +155,27 @@ export const PROVIDER_TOOL_SUPPORT: Record<string, (model: string) => boolean> =
         modelName = model;
       }
 
+      // Some Ollama cloud models don't support tools despite matching the
+      // family-name heuristic below (https://ollama.com/search?c=cloud)
+      if (modelName.toLowerCase().includes(":cloud")) {
+        if (
+          [
+            "cogito-2.1",
+            "deepseek-v3.2",
+            "gemini-3-flash-preview",
+            "glm-4.6",
+            "glm-4.7",
+            "glm-5",
+            "kimi-k2.5",
+            "minimax-m2",
+            "minimax-m2.5",
+            "minimax-m2.7",
+          ].some((part) => modelName.toLowerCase().startsWith(part))
+        ) {
+          return false;
+        }
+      }
+
       if (
         ["vision", "math", "guard", "mistrallite", "mistral-openorca"].some(
           (part) => modelName.toLowerCase().includes(part),