chore: add triaging instructions for mcp

PiperOrigin-RevId: 798017380

Author: seanzhougoogle

contributing/samples/adk_pr_triaging_agent/agent.py

@@ -32,6 +32,7 @@
     "documentation": "polong-lin",
     "services": "DeanChensj",
     "tools": "seanzhou1023",
+    "mcp": "seanzhou1023",
     "eval": "ankursharmas",
     "live": "hangfei",
     "models": "genquan9",
@@ -267,6 +268,7 @@ def add_comment_to_pr(pr_number: int, comment: str) -> dict[str, Any]:
       - If it's about model support(non-Gemini, like Litellm, Ollama, OpenAI models), label it with "models".
       - If it's about tracing, label it with "tracing".
       - If it's agent orchestration, agent definition, label it with "core".
+      - If it's about Model Context Protocol (e.g. MCP tool, MCP toolset, MCP session management etc.), label it with "mcp".
       - If you can't find a appropriate labels for the PR, follow the previous instruction that starts with "IMPORTANT:".
 
       Here is the contribution guidelines:

contributing/samples/adk_triaging_agent/agent.py

@@ -31,6 +31,7 @@
     "documentation": "polong-lin",
     "services": "DeanChensj",
     "question": "",
+    "mcp": "seanzhou1023",
     "tools": "seanzhou1023",
     "eval": "ankursharmas",
     "live": "hangfei",
@@ -182,6 +183,7 @@ def change_issue_type(issue_number: int, issue_type: str) -> dict[str, Any]:
       - If it's about tracing, label it with "tracing".
       - If it's agent orchestration, agent definition, label it with "core".
       - If it's about agent engine, label it with "agent engine".
+      - If it's about Model Context Protocol (e.g. MCP tool, MCP toolset, MCP session management etc.), label it with "mcp".
       - If you can't find a appropriate labels for the issue, follow the previous instruction that starts with "IMPORTANT:".
 
       Call the `add_label_and_owner_to_issue` tool to label the issue, which will also assign the issue to the owner of the label.