x_post_metrics

SERVERHermoso SOURCEhttps://app.hermoso.ai/mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade D, identity unverified Pull the record →

This record as markdown: /tools/hermoso/x-post-metrics.md

WHAT IT DOES

What x_post_metrics does on Hermoso

AI agents use x_post_metrics to create or update resources in Hermoso, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Hermoso environment.

RISK

Why x_post_metrics is rated Medium

An AI agent can call x_post_metrics faster than any human can review: one bad instruction and it creates or modifies resources in Hermoso by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs x_post_metrics safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Hermoso, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For x_post_metrics, this is the rule to start with:

x_post_metrics Rate-limited

x_post_metrics 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": {
    "x_post_metrics": {
      "limits": [
        {
          "counter": "x_post_metrics_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Hermoso, apply this rule, and every x_post_metrics call is checked against it from then on.

FAQ

Questions about x_post_metrics

What does the x_post_metrics tool do? +

THE X ANALYTICS TOOL THAT WORKS — impressions, likes, reposts, replies, quotes and bookmarks for any post, PLUS the advertiser numbers (link clicks, profile clicks, engagements) for YOUR OWN posts published in the last 30 days. X serves those private metrics on this same lookup with the user-context connection you already have; that is X. It is categorised as a Write tool in the Hermoso MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on x_post_metrics? +

Register the Hermoso MCP server in PolicyLayer and add a rule for x_post_metrics: 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 Hermoso. Nothing to install.

What risk level is x_post_metrics? +

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

Can I rate-limit x_post_metrics? +

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

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

x_post_metrics is provided by the Hermoso MCP server (https://app.hermoso.ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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