add-applicant-comment · HeadHunter API MCP Server MCP

WHAT IT DOES

What add-applicant-comment does on HeadHunter API MCP Server

AI agents use add-applicant-comment 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.

WHY IT NEEDS A POLICY

Why add-applicant-comment needs a policy

Adding a comment creates new data on the platform in a reversible manner. It does not delete, execute code, move money, or trigger external operations. While the blast radius is limited (comments can be edited/deleted), it affects candidate and employer interactions in a recruitment context, warranting medium severity. The description is minimal but the tool name clearly indicates a write operation.

From the tool's definition Tool name 'add-applicant-comment' and description 'Add a comment' indicates creation of new data (a comment) on the HeadHunter job platform. This is a reversible write operation that modifies application/candidate records.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add-applicant-comment Rate-limited

add-applicant-comment stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add-applicant-comment": {
      "limits": [
        {
          "counter": "add-applicant-comment_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches HeadHunter API MCP Server, so you can run agents against it safely.

FAQ

Questions about add-applicant-comment

What does the add-applicant-comment tool do? +

Add a comment. 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.

How do I enforce a policy on add-applicant-comment? +

Register the HeadHunter API MCP Server MCP server in PolicyLayer and add a rule for add-applicant-comment: 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.

What risk level is add-applicant-comment? +

add-applicant-comment is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add-applicant-comment? +

Yes. Add a rate_limit block to the add-applicant-comment 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.

How do I block add-applicant-comment completely? +

Set action: deny in the PolicyLayer policy for add-applicant-comment. 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.

What MCP server provides add-applicant-comment? +

add-applicant-comment 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.