Actions with responses/invitations
AI agents use put-negotiations-collection-to-next-state to create or update resources in HeadHunter API MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HeadHunter API MCP Server environment.
This tool modifies the state of negotiations, responses, or invitations within the HeadHunter platform—a reversible Write operation. It does not delete data (Destructive), execute arbitrary code (Execute), or move money (Financial). The blast radius is limited to negotiation workflow state changes, which can typically be reversed by advancing to another state or reverting.
From the tool's definition Tool name 'put-negotiations-collection-to-next-state' and description 'Actions with responses/invitations' indicate state transitions on negotiation objects (responses/invitations).
Attacks that exploit this kind of access
Actions with responses/invitations. It is categorised as a Write tool in the HeadHunter API MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the HeadHunter API MCP Server MCP server in PolicyLayer and add a rule for put-negotiations-collection-to-next-state: 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.
put-negotiations-collection-to-next-state is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the put-negotiations-collection-to-next-state 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 put-negotiations-collection-to-next-state. 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.
put-negotiations-collection-to-next-state 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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