Search for available local service businesses by structured fields. The CALLER (you, the agent) is responsible for extracting subCategory, locationText, and countryCode from the user's request — pick the most specific subCategory enum, pass the user's place wording in locationText, and infer coun...
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AI agents call search_businesses to retrieve information from Qasperai without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though search_businesses only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"search_businesses": {}
}
}See the full Qasperai policy for all 9 tools.
These attack patterns abuse exactly the kind of access search_businesses gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Search for available local service businesses by structured fields. The CALLER (you, the agent) is responsible for extracting subCategory, locationText, and countryCode from the user's request — pick the most specific subCategory enum, pass the user's place wording in locationText, and infer countryCode when deducible. The server handles SQL filtering, geocoding, ranking, and bucketing. IMPORTANT: If the user's request is broad (e.g. 'therapist in Greece', 'lawyer in London') and they haven't named a specific specialization or service mode, call get_refinement_options FIRST with the subCategory, ask the user what to narrow by, then call this tool with the answer in attributeFilters and/or serviceMode. Skip that step when the user already named specifics or explicitly asked to see everything. Each result includes an 'enabledFeatures' array indicating what the business supports: 'info' (always on), 'inquiry' (can receive SMS inquiries), 'email_inquiry' (can receive email inquiries), 'booking' (can be booked directly). Use 'attributeDetails' (natural-language sentences about each business's offerings, approach, and specialties) to reason about fit for the user. The 'cardChips', 'cardChipGroups', and 'matchedFilterValues' fields are UI-only display data — ignore them. Each result also includes the exact slug to reuse verbatim in later tool calls. Pass latitude/longitude only when the client has an explicit map viewport or GPS position that should override the coordinates geocoded from locationText.. It is categorised as a Read tool in the Qasperai MCP Server, which means it retrieves data without modifying state.
Register the Qasperai MCP server in PolicyLayer and add a rule for search_businesses: 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 Qasperai. Nothing to install.
search_businesses 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 search_businesses 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 search_businesses. 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.
search_businesses is provided by the Qasperai MCP server (@qasperai/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 9 Qasperai tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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