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Multi-Server MCP Host Design: Routing, Conflicts, and Context Budgets (EXPLAINED)

Scenario BasedMCPHard22 min read

Multi-server hosts are production reality — GitHub + Jira + DB + docs + internal APIs. Poor design creates tool soup.

TL;DR — Quick Answer

Namespace tools by server prefix, prioritize and budget context from resources, lazy-load server capabilities, isolate failures per server, and apply global policy before merging tool lists for the model.

The Interview Question

An AI host connects to ten MCP servers simultaneously. How do you design discovery, naming conflicts, context limits, and error isolation?

Deep Explanation

Multi-server hosts are production reality — GitHub + Jira + DB + docs + internal APIs. Poor design creates tool soup.

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MCPMulti-ServerHost DesignContextAnthropicMicrosoft

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