Meta Ads / API Reference
meta_ads_reach_estimate
Meta Ads tool. Estimate the reach for a targeting spec in Meta Ads. Args: targeting_spec: JSON string with targeting spec, e.g. '{"age_min":25,"age_max":45,"genders":[1],"geo_locations":{"countries":["US"]}}' (required). account_id: Ad account ID. Leave blank to use .env default.
This is a read-only tool: it returns reach estimate for your Meta Ads account. It changes nothing.
Ask Claude
You do not call this tool yourself. Ask for the outcome and the client picks the tool:
Reach estimate in my Meta Ads account for [targeting spec].
It takes 1 required and 1 optional parameter.
Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
targeting_spec | string | Yes | Targeting Spec |
account_id | string | No | Account Id |
Related Meta Ads tools
meta_ads_reach_frequency_predictionmeta_ads_ab_test_resultsmeta_ads_account_change_historymeta_ads_account_diagnosticsmeta_ads_account_spending_limitmeta_ads_ad
Before you can call it
This tool needs a connected Meta Ads account. The Meta Ads connect guide covers the OAuth flow and the permissions it asks for, and the quickstart gets a client talking to the server in about five minutes.
Workflows that use this
Rather than calling tools one at a time, these skills run a whole procedure against the same account: