From 286a413d85a9b3051f2ae388db87a8f8bf3d15bc Mon Sep 17 00:00:00 2001
From: Sameer Kankute <sameer@berri.ai>
Date: Wed, 11 Feb 2026 12:56:23 +0530
Subject: [PATCH] Fix failing tests

---
 .../anthropic_claude3_transformation.py       | 38 +++++++++++++++++++
 litellm/types/llms/anthropic.py               |  1 +
 2 files changed, 39 insertions(+)

diff --git a/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py b/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
index 961158bf053..823a1c33c44 100644
--- a/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
+++ b/litellm/llms/bedrock/messages/invoke_transformations/anthropic_claude3_transformation.py
@@ -222,6 +222,44 @@ class AmazonAnthropicClaudeMessagesConfig(
             for beta in beta_headers_to_remove:
                 beta_set.discard(beta)
 
+    def _supports_tool_search_on_bedrock(self, model: str) -> bool:
+        """
+        Check if the model supports tool search on Bedrock.
+
+        On Amazon Bedrock, server-side tool search is supported on Claude Opus 4.5
+        and Claude Sonnet 4.5 with the tool-search-tool-2025-10-19 beta header.
+
+        Ref: https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-search-tool
+
+        Args:
+            model: The model name
+
+        Returns:
+            True if the model supports tool search on Bedrock
+        """
+        model_lower = model.lower()
+
+        # Supported models for tool search on Bedrock
+        supported_patterns = [
+            # Opus 4.5
+            "opus-4.5",
+            "opus_4.5",
+            "opus-4-5",
+            "opus_4_5",
+            # Sonnet 4.5
+            "sonnet-4.5",
+            "sonnet_4.5",
+            "sonnet-4-5",
+            "sonnet_4_5",
+            # Opus 4.6
+            "opus-4.6",
+            "opus_4.6",
+            "opus-4-6",
+            "opus_4_6",
+        ]
+
+        return any(pattern in model_lower for pattern in supported_patterns)
+
     def _get_tool_search_beta_header_for_bedrock(
         self,
         model: str,
diff --git a/litellm/types/llms/anthropic.py b/litellm/types/llms/anthropic.py
index 94a7195a95b..20568e9b4b6 100644
--- a/litellm/types/llms/anthropic.py
+++ b/litellm/types/llms/anthropic.py
@@ -639,6 +639,7 @@ class ANTHROPIC_BETA_HEADER_VALUES(str, Enum):
     STRUCTURED_OUTPUT_2025_09_25 = "structured-outputs-2025-11-13"
     ADVANCED_TOOL_USE_2025_11_20 = "advanced-tool-use-2025-11-20"
     FAST_MODE_2026_02_01 = "fast-mode-2026-02-01"
+    COMPACT_2026_01_12 = "compact-2026-01-12"
 
 
 # Tool search beta header constant (for Anthropic direct API and Microsoft Foundry)