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Thanks for reaching out, Swayam. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.

but in code we are. not doing initialization then from where it get intilized? this request hit every time on enter to subagent

Thanks — I hear your frustration. You’re seeing MCP HTTP requests every time you enter the SubAgent even though you didn’t explicitly initialize MCP in your code. Let’s clarify why that happens and how to stop or control it. What’s happening • The MCP requests are triggered implicitly by the Agent initialization. Even if you don’t see explicit “initialize” calls in your SubAgent code, the base Agent constructor (called via

super().__init__(..., mcp_servers=mcp_servers)

) will start the MCP client when an

mcp_servers

list is provided. • That MCP client opens the SSE stream (

/sse

) and issues

/messages

calls automatically, which explains why you see those HTTP requests every time you enter the SubAgent. Why it looks like it’s happening “out of nowhere” • The

mcp_servers

list may be populated elsewhere (for example, in the TeamAgent, an orchestrator, or a factory that constructs SubAgent instances). Passing that list into the SubAgent constructor is sufficient for the base class to start the MCP connections at runtime. • Because the work happens inside the base class, you won’t necessarily see an explicit “initialize MCP” call in your SubAgent implementation. How to confirm the source • Search where the SubAgent is constructed and inspect the argument passed for

mcp_servers

. That is the single most important place to check. • If the SubAgent is created by TeamAgent or another builder, inspect that creation path to find where

mcp_servers

comes from. Options to stop or change the behavior • Pass an empty list or

None

for

mcp_servers

when creating the SubAgent to prevent automatic MCP connections: ◦ Example:

mcp_servers=[]

or

mcp_servers=None

(depending on constructor expectations). • If you need some MCP servers but not for this SubAgent, ensure the creator only passes the intended list (filter out the MCP endpoints you don’t want). • If removal isn’t possible at creation time, add an override in the higher-level creation code to prevent or delay MCP startup. Quick diagnostic questions so I can point to the exact line to change • Where is the SubAgent instantiated? Is it constructed inside TeamAgent code, in a factory, or in an orchestration layer you can inspect? • Can you share (or describe) the code that builds the

mcp_servers

list or the call-site that creates SubAgent instances? If you share the construction site (the few lines that call SubAgent(...)), I’ll point to the exact change to stop the automatic MCP requests. , with interactive elements

yes when we are passing []-> then not happening but in super().__init receives mcp servers NotGivenOr[list[mcp.MCPServer] | None] = NOT_GIVEN, and

if isinstance(mcp_servers, list) and len(mcp_servers) == 0:
    mcp_servers = None  # treat empty list as None (but keep NOT_GIVEN)

this is the what it is doing in that where that calls happened you have knowledge of livekit/agent/voice/agent.py it is in that file

I don't have the answer you're looking for. You could also try asking your question: • in one of the other Slack channels or • to https://deepwiki.com/livekit/livekit_composite which is trained on all LiveKit source code If you find the answer, please post it here to help others!

sp you dont have livekit url knowledge ? is this link cover all livekit url if not give that