Partial MCP configuration object
Unique MCP identifier (must exist)
Optional: Strategy whose live instances the MCP observes and trades
Optional: Entry cost in USD for opened positions
Optional: Portfolio renderer for the agent
Optional: Lifecycle callbacks
Overrides an existing MCP (Model Context Protocol) configuration in the framework.
This function partially updates a previously registered MCP with new configuration. Only the provided fields will be updated, other fields remain unchanged.