vibefix_post_bounty · Vibefix MCP: Risk & Policy

WHAT IT DOES

What vibefix_post_bounty does on Vibefix

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

WHY IT NEEDS A POLICY

Why vibefix_post_bounty needs a policy

This tool creates new bounty records (Write category) and has financial implications (checkout URL for paid bounties). However, the primary action is data creation rather than moving money directly—the financial aspect is secondary (user must complete payment separately in browser).

From the tool's definition Tool description states 'Post a new bug bounty' and 'Paid bounties return a checkout URL to complete payment in the browser', indicating it creates new data (bounty records) and may initiate financial transactions.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vibefix_post_bounty Rate-limited

vibefix_post_bounty 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": {
    "vibefix_post_bounty": {
      "limits": [
        {
          "counter": "vibefix_post_bounty_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 Vibefix, so you can run agents against it safely.

FAQ

Questions about vibefix_post_bounty

What does the vibefix_post_bounty tool do? +

Post a new bug bounty on VibeFix. Free bounties go live immediately. Paid bounties return a checkout URL to complete payment in the browser. Requires VIBEFIX_API_KEY on a customer account. It is categorised as a Write tool in the Vibefix MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on vibefix_post_bounty? +

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

What risk level is vibefix_post_bounty? +

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

Can I rate-limit vibefix_post_bounty? +

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

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

vibefix_post_bounty is provided by the Vibefix MCP server (vibefix-technologies/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.