What happened?

Summary

Currently, when calling the /mcp endpoint through LiteLLM, custom headers passed in from the client (e.g., LangGraph agent) are not propagated to the underlying MCP server. Only the Authorization header seems to be handled.
Summary

Currently, when calling the /mcp endpoint through LiteLLM, custom headers passed in from the client (e.g., LangGraph agent) are not propagated to the underlying MCP server. Only the Authorization header seems to be handled.
Summary

Currently, when calling the /mcp endpoint through LiteLLM, custom headers passed in from the client (e.g., LangGraph agent) are not propagated to the underlying MCP server. Only the Authorization header seems to be handled.

Relevant log output

Are you a ML Ops Team?

No

What LiteLLM version are you on ?

v1.75

Twitter / LinkedIn details

No response