stock_item · Qiita API MCP Server MCP: Risk & Policy

WHAT IT DOES

What stock_item does on Qiita API MCP Server

AI agents use stock_item to create or update resources in Qiita API MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Qiita API MCP Server environment.

WHY IT NEEDS A POLICY

Why stock_item needs a policy

Stocking an article is a reversible write action (creating a relationship/bookmark). It does not delete data, execute code, or involve financial transactions. Misuse could result in unwanted stocks but has limited blast radius.

From the tool's definition 「指定された記事をストックします」(Stocks the specified article) — this creates a stock/bookmark association between the user and an article

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

stock_item Rate-limited

stock_item 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": {
    "stock_item": {
      "limits": [
        {
          "counter": "stock_item_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 Qiita API MCP Server, so you can run agents against it safely.

FAQ

Questions about stock_item

What does the stock_item tool do? +

指定された記事をストックします. It is categorised as a Write tool in the Qiita 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 stock_item? +

Register the Qiita API MCP Server MCP server in PolicyLayer and add a rule for stock_item: 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 Qiita API MCP Server. Nothing to install.

What risk level is stock_item? +

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

Can I rate-limit stock_item? +

Yes. Add a rate_limit block to the stock_item 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 stock_item completely? +

Set action: deny in the PolicyLayer policy for stock_item. 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 stock_item? +

stock_item is provided by the Qiita API MCP Server MCP server (selenium39/mcp-server-qiita). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.