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An Agent’s capability set is the union of:
  • Skills — capability packs added to the Agent.
  • Allowed tools — explicit tool allow-list.
  • MCP tools — from connected MCP servers, if enabled globally.

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Skills

Add via the Agent editor. Each skill contributes its system-prompt fragment + preferred tools. Multiple skills stack.

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Tools

Toggle individual tools on/off. Default-allow for built-ins (query_data, gmail_*, etc.); default-deny for integrations + MCP unless you’ve enabled globally.

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Scoping

Give an Agent only the tools it needs. A “sales-analyst” Agent probably shouldn’t have gmail_send_email. Least-privilege reduces surprising side effects during runs.