diff --git a/packages/types/src/providers/moonshot.ts b/packages/types/src/providers/moonshot.ts
index 7ddafab76b7..a3f34db6661 100644
--- a/packages/types/src/providers/moonshot.ts
+++ b/packages/types/src/providers/moonshot.ts
@@ -11,6 +11,7 @@ export const moonshotModels = {
 		contextWindow: 131_072,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsNativeTools: true,
 		inputPrice: 0.6, // $0.60 per million tokens (cache miss)
 		outputPrice: 2.5, // $2.50 per million tokens
 		cacheWritesPrice: 0, // $0 per million tokens (cache miss)
@@ -22,6 +23,7 @@ export const moonshotModels = {
 		contextWindow: 262144,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsNativeTools: true,
 		inputPrice: 0.6,
 		outputPrice: 2.5,
 		cacheReadsPrice: 0.15,
@@ -33,6 +35,7 @@ export const moonshotModels = {
 		contextWindow: 262_144,
 		supportsImages: false,
 		supportsPromptCache: true,
+		supportsNativeTools: true,
 		inputPrice: 2.4, // $2.40 per million tokens (cache miss)
 		outputPrice: 10, // $10.00 per million tokens
 		cacheWritesPrice: 0, // $0 per million tokens (cache miss)
@@ -44,6 +47,7 @@ export const moonshotModels = {
 		contextWindow: 262_144, // 262,144 tokens
 		supportsImages: false, // Text-only (no image/vision support)
 		supportsPromptCache: true,
+		supportsNativeTools: true,
 		inputPrice: 0.6, // $0.60 per million tokens (cache miss)
 		outputPrice: 2.5, // $2.50 per million tokens
 		cacheWritesPrice: 0, // $0 per million tokens (cache miss)
diff --git a/src/api/providers/base-openai-compatible-provider.ts b/src/api/providers/base-openai-compatible-provider.ts
index 2c183b7fc8d..6678f21d68c 100644
--- a/src/api/providers/base-openai-compatible-provider.ts
+++ b/src/api/providers/base-openai-compatible-provider.ts
@@ -93,6 +93,9 @@ export abstract class BaseOpenAiCompatibleProvider<ModelName extends string>
 			stream_options: { include_usage: true },
 			...(metadata?.tools && { tools: this.convertToolsForOpenAI(metadata.tools) }),
 			...(metadata?.tool_choice && { tool_choice: metadata.tool_choice }),
+			...(metadata?.toolProtocol === "native" && {
+				parallel_tool_calls: metadata.parallelToolCalls ?? false,
+			}),
 		}
 
 		// Add thinking parameter if reasoning is enabled and model supports it
diff --git a/src/api/providers/openai.ts b/src/api/providers/openai.ts
index e9109b0d7f2..2a2065edd6e 100644
--- a/src/api/providers/openai.ts
+++ b/src/api/providers/openai.ts
@@ -166,6 +166,9 @@ export class OpenAiHandler extends BaseProvider implements SingleCompletionHandl
 				...(reasoning && reasoning),
 				...(metadata?.tools && { tools: this.convertToolsForOpenAI(metadata.tools) }),
 				...(metadata?.tool_choice && { tool_choice: metadata.tool_choice }),
+				...(metadata?.toolProtocol === "native" && {
+					parallel_tool_calls: metadata.parallelToolCalls ?? false,
+				}),
 			}
 
 			// Add max_tokens if needed
@@ -242,6 +245,9 @@ export class OpenAiHandler extends BaseProvider implements SingleCompletionHandl
 						: [systemMessage, ...convertToOpenAiMessages(messages)],
 				...(metadata?.tools && { tools: this.convertToolsForOpenAI(metadata.tools) }),
 				...(metadata?.tool_choice && { tool_choice: metadata.tool_choice }),
+				...(metadata?.toolProtocol === "native" && {
+					parallel_tool_calls: metadata.parallelToolCalls ?? false,
+				}),
 			}
 
 			// Add max_tokens if needed
@@ -359,6 +365,9 @@ export class OpenAiHandler extends BaseProvider implements SingleCompletionHandl
 				temperature: undefined,
 				...(metadata?.tools && { tools: this.convertToolsForOpenAI(metadata.tools) }),
 				...(metadata?.tool_choice && { tool_choice: metadata.tool_choice }),
+				...(metadata?.toolProtocol === "native" && {
+					parallel_tool_calls: metadata.parallelToolCalls ?? false,
+				}),
 			}
 
 			// O3 family models do not support the deprecated max_tokens parameter
@@ -391,6 +400,9 @@ export class OpenAiHandler extends BaseProvider implements SingleCompletionHandl
 				temperature: undefined,
 				...(metadata?.tools && { tools: this.convertToolsForOpenAI(metadata.tools) }),
 				...(metadata?.tool_choice && { tool_choice: metadata.tool_choice }),
+				...(metadata?.toolProtocol === "native" && {
+					parallel_tool_calls: metadata.parallelToolCalls ?? false,
+				}),
 			}
 
 			// O3 family models do not support the deprecated max_tokens parameter