Integrations
Integrations connect external services so the agent can use them directly. A capability (e.g. email) is a named area of behavior an integration provides; skills declare the capabilities they need. A capability's tools are only in context when an integration providing it is connected and a skill needing it is active.
This differs from MCP: MCP tools are opaque and injected into every turn once connected. Integration capabilities are known in advance, so they route through the same skill-activation mechanism as built-in tools instead of flooding context.
Manage integrations in Settings → Connections → Integrations. Connecting one runs its authorization flow and records which capabilities were actually granted, since a user can approve some and deny others — only granted capabilities' tools appear. Only one connected integration can provide a given capability at a time.
Integration tools appear in the normal permissions screen once connected, defaulting to ask like any external tool.