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Most MCP clients load every tool schema into the model’s context at the start of every conversation. AdLoop’s full catalog costs roughly 18k tokens per session that way, before you type a word. Toolsets let you expose a subset.

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The toolsets

health_check and confirm_and_apply are always included, whatever you select, so diagnostics and the safety gate can never be filtered away.

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What it saves

Measured against the live tools/list: the full catalog is ≈18k tokens, ads,ga4 is ≈13k, and a ga4-only selection is ≈2k — an 88% reduction. Toolsets are per consumer, not per install: one AdLoop setup can serve a trimmed Cursor and a full-catalog Claude Code side by side.

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AdLoop Cloud: per API key

Pick toolsets when creating a key under Settings → API keys. The server then trims that key’s advertised tool list and refuses calls outside the selection, with a clear message pointing back to the dashboard. Existing keys are unrestricted until you say otherwise.

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Self-hosted: environment variable

Set it in your MCP client’s configuration (the adloop init wizard offers this and writes it into the snippets). Unset means the full catalog; unknown names fail at startup listing the valid ones.