publish_post · SergeyKrin9/mcp Servers MCP: Risk & Policy

WHAT IT DOES

What publish_post does on SergeyKrin9/mcp Servers

AI agents use publish_post to create or update resources in SergeyKrin9/mcp Servers — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your SergeyKrin9/mcp Servers environment.

WHY IT NEEDS A POLICY

Why publish_post needs a policy

This tool creates and publishes new content to social media/messaging platforms, which is reversible via deletion but represents a Write operation with moderate blast radius. Publishing unsolicited messages, spam, or misleading content via an AI agent could cause reputational harm.

From the tool's definition Tool name 'publish_post' and description 'Publish a text post to the default channel or a provided chat_id' indicates creation of new content in external systems (Telegram/VK). The reply_markup parameter shows it modifies message structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

publish_post Rate-limited

publish_post 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": {
    "publish_post": {
      "limits": [
        {
          "counter": "publish_post_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 SergeyKrin9/mcp Servers, so you can run agents against it safely.

FAQ

Questions about publish_post

What does the publish_post tool do? +

Publish a text post to the default channel or a provided chat_id. reply_markup can be inline_keyboard dict. It is categorised as a Write tool in the SergeyKrin9/mcp Servers MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on publish_post? +

Register the SergeyKrin9/mcp Servers MCP server in PolicyLayer and add a rule for publish_post: 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 SergeyKrin9/mcp Servers. Nothing to install.

What risk level is publish_post? +

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

Can I rate-limit publish_post? +

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

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

publish_post is provided by the SergeyKrin9/mcp Servers MCP server (sergeykrin9/mcp-servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.