View the list of messages in the negotiation
AI agents call get-negotiation-messages 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 or queries existing negotiation messages without creating, modifying, deleting, or executing any operations. It is a read-only accessor that returns data to the user. The low severity reflects that viewing messages poses minimal risk—no data can be altered, deleted, or financial transactions initiated through this operation.
From the tool's definition Tool name 'get-negotiation-messages' and description 'View the list of messages in the negotiation' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
View the list of messages in the negotiation. 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-negotiation-messages: 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-negotiation-messages 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-negotiation-messages 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-negotiation-messages. 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-negotiation-messages 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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