Get information about the applicant's phone number
AI agents call get-applicant-phone-info to retrieve information from HeadHunter API MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves phone information about an applicant—a read-only operation with no side effects, data modification, code execution, or financial impact. The blast radius of misuse is limited to unauthorized access to contact information, which is a privacy concern but not severe in the context of a job platform where such information is often semi-public or role-restricted.
From the tool's definition Tool name 'get-applicant-phone-info' and description 'Get information about the applicant's phone number' indicate a retrieval operation that queries existing data without modification.
Attacks that exploit this kind of access
Get information about the applicant's phone number. It is categorised as a Read tool in the HeadHunter API MCP Server MCP Server, which means it retrieves data without modifying state.
Register the HeadHunter API MCP Server MCP server in PolicyLayer and add a rule for get-applicant-phone-info: 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 HeadHunter API MCP Server. Nothing to install.
get-applicant-phone-info 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-applicant-phone-info 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-applicant-phone-info. 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-applicant-phone-info is provided by the HeadHunter API MCP Server MCP server (sargonpiraev/hh-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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