diff --git a/vllm/entrypoints/openai/tool_parsers/__init__.py b/vllm/entrypoints/openai/tool_parsers/__init__.py
index 309d9bed..1ca777bd 100644
--- a/vllm/entrypoints/openai/tool_parsers/__init__.py
+++ b/vllm/entrypoints/openai/tool_parsers/__init__.py
@@ -4,6 +4,14 @@ from .internlm2_tool_parser import Internlm2ToolParser
 from .llama_tool_parser import Llama3JsonToolParser
 from .mistral_tool_parser import MistralToolParser
 
+# Register qwen3_coder as alias for hermes parser.
+# Qwen3 models use Hermes-compatible tool calling format:
+#   <tool_call>{"name": "func", "arguments": {...}}</tool_call>
+# computility-run.yaml specifies --tool-call-parser qwen3_coder
+# which must be registered or server startup crashes with KeyError.
+ToolParserManager.register_module(
+    "qwen3_coder", module=Hermes2ProToolParser)
+
 __all__ = [
     "ToolParser", "ToolParserManager", "Hermes2ProToolParser",
     "MistralToolParser", "Internlm2ToolParser", "Llama3JsonToolParser"