get_meta_ad_account
Read a Meta AD ACCOUNT’s BILLING and DELIVERY state: account status in words (ACTIVE, DISABLED, UNSETTLED unpaid balance, IN_GRACE_PERIOD failed payment, PENDING_RISK_REVIEW, CLOSED…) with the disable reason; currency and time zone; BALANCE (the bill amount due); AMOUNT SPENT; SPEND CAP and how m...
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What get_meta_ad_account does on Hermoso
AI agents call get_meta_ad_account to retrieve information from Hermoso without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_meta_ad_account is rated Low
Even though get_meta_ad_account only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
The rule that runs get_meta_ad_account safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_meta_ad_account, this is the rule to start with:
get_meta_ad_account is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every get_meta_ad_account call is checked against it from then on.
Questions about get_meta_ad_account
Read a Meta AD ACCOUNT’s BILLING and DELIVERY state: account status in words (ACTIVE, DISABLED, UNSETTLED unpaid balance, IN_GRACE_PERIOD failed payment, PENDING_RISK_REVIEW, CLOSED…) with the disable reason; currency and time zone; BALANCE (the bill amount due); AMOUNT SPENT; SPEND CAP and how much is left under it (none means no account spending limit); the minimum daily budget; whether it is a PREPAID account; and the PAYMENT METHOD / FUNDING SOURCE (card, PayPal, prepaid funds / stored balance, invoice, credit line). Every amount is converted from Meta’s minor units into the account currency. Use it for “what is my Meta ad balance”, “how much prepaid funds are left”, “which card pays for my ads”, “why are my ads not delivering”, and before activating anything. IT CANNOT ADD PREPAID FUNDS OR CHANGE THE PAYMENT METHOD — Meta publishes no API for either, so the reply links the account’s page in Meta Billing (Ads Manager > Billing & payments) where the user does it; say so rather than looking for another tool. If Meta refuses the billing fields to this connection (the connected person lacks the MANAGE role on the account), the reply says the funding source could not be read, which is not the same as having none. Meta fields read: account_status, disable_reason, balance, amount_spent, spend_cap, min_daily_budget, is_prepay_account, funding_source_details. Read-only, free. It is categorised as a Read tool in the Hermoso MCP Server, which means it retrieves data without modifying state.
Register the Hermoso MCP server in PolicyLayer and add a rule for get_meta_ad_account: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Hermoso. Nothing to install.
get_meta_ad_account is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the get_meta_ad_account rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for get_meta_ad_account. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
get_meta_ad_account is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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