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The Tool Catalog is a flat list of every tool discovered across all of a workspace’s backend servers — one row per capability, not per server.

Namespacing

Each tool is listed with its full namespaced name (namespace.tool), so identically named tools from two different backends never collide.

Per-tool toggles

Unlike the server-level enable/disable in Backend Servers, the catalog lets you turn off individual tools without disabling the whole server they came from — useful when a backend exposes more capability than you want to expose to your AI client. A disabled tool stops appearing in tools/list responses from the aggregated endpoint and can’t be called, even if the client requests it by name.