Return the HelloBooks Free-plan annual-invoice-turnover thresholds for the 8 supported countries (IN ₹40 lakh / US $100K / GB £90K / AU A$75K / CA C$30K / NZ NZ$60K / SG S$500K / AE AED 187.5K). Free is unlimited features and unlimited AI credits subject to the monthly allowance, but per-entity i...
AI agents call free_tier_eligibility to retrieve information from HelloBooks AI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
country | string | — | ISO country code of the entity. Omit to return the full 8-country threshold table. |
annualInvoiceRevenue | number | — | Annual invoice turnover for the entity, in its home currency (NOT USD-equivalent). Only used when `country` is also provided — the tool then returns a `freeElig |
Parameters from the server's own tool schema.
This is a pure information retrieval tool that queries and returns pricing tier eligibility data. It performs calculations on user-supplied inputs (country, revenue) to determine free-tier status, but produces no side effects, does not create/modify/delete data, and does not execute external operations or move money.
From the tool's definition Tool returns eligibility thresholds and verdicts based on country and annual invoice revenue. Key phrases: 'Return the HelloBooks Free-plan annual-invoice-turnover thresholds', 'Call with no args to get the full table', 'for a freeEligible verdict'.
Attacks that exploit this kind of access
Return the HelloBooks Free-plan annual-invoice-turnover thresholds for the 8 supported countries (IN ₹40 lakh / US $100K / GB £90K / AU A$75K / CA C$30K / NZ NZ$60K / SG S$500K / AE AED 187.5K). Free is unlimited features and unlimited AI credits subject to the monthly allowance, but per-entity invoice turnover above the country cap forces an upgrade to Pro or Business. Call with no args to get the full table, with country for one threshold, or with country AND annualInvoiceRevenue (in the country currency, NOT USD-equivalent) for a freeEligible verdict with headroom math. Bank-feed total, cash receipts, and gross transaction volume are explicitly NOT used. It is categorised as a Read tool in the HelloBooks AI MCP Server MCP Server, which means it retrieves data without modifying state.
free_tier_eligibility accepts 2 parameters: country, annualInvoiceRevenue. The full parameter table on this page comes from the server's own tool schema.
Register the HelloBooks AI MCP Server MCP server in PolicyLayer and add a rule for free_tier_eligibility: 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 HelloBooks AI MCP Server. Nothing to install.
free_tier_eligibility 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 free_tier_eligibility 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 free_tier_eligibility. 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.
free_tier_eligibility is provided by the HelloBooks AI MCP Server MCP server (Meru-Fin-Tech/HelloBooks-MCP-Public). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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