contribute_project · Hivemind MCP: Risk & Policy

WHAT IT DOES

What contribute_project does on Hivemind MCP

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

WHY IT NEEDS A POLICY

Why contribute_project needs a policy

This tool creates or modifies data (knowledge entries in a project hive) reversibly. Users could edit or remove contributed solutions later. It is not destructive (irreversible deletion), not financial, and not execute-level (no code execution or external operations triggered).

From the tool's definition Tool named 'contribute_project' with description 'Add knowledge to project hive' indicates creation or modification of data in a knowledge base. The verb 'Add' confirms write-class behavior—data is being created or appended to the hive.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

contribute_project Rate-limited

contribute_project 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": {
    "contribute_project": {
      "limits": [
        {
          "counter": "contribute_project_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 Hivemind MCP, so you can run agents against it safely.

FAQ

Questions about contribute_project

What does the contribute_project tool do? +

Add knowledge to project hive. TRIGGERS:. It is categorised as a Write tool in the Hivemind MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on contribute_project? +

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

What risk level is contribute_project? +

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

Can I rate-limit contribute_project? +

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

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

contribute_project is provided by the Hivemind MCP server (kevthetech143/hivemind-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.