propose_strategy_tiered · Agent-Comm-Hub MCP: Risk & Policy

WHAT IT DOES

What propose_strategy_tiered does on Agent-Comm-Hub

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

WHY IT NEEDS A POLICY

Why propose_strategy_tiered needs a policy

The tool creates new strategy records and changes approval states within the system. While it involves a gating/approval mechanism, the primary action is writing strategy data to the hub. It does not execute the strategy itself, does not delete irreversibly, and does not move financial assets. The tiered approval system mitigates direct risk, justifying 'medium' severity rather than 'high'. Confidence is moderate (0.

From the tool's definition Tool proposes strategies with automatic tier assignment (auto/peer/admin/super) and approval status tracking.

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

propose_strategy_tiered Rate-limited

propose_strategy_tiered 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": {
    "propose_strategy_tiered": {
      "limits": [
        {
          "counter": "propose_strategy_tiered_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 Agent-Comm-Hub, so you can run agents against it safely.

FAQ

Questions about propose_strategy_tiered

What does the propose_strategy_tiered tool do? +

提议策略（分级审批）。Hub 自动判定审批等级：auto（自动通过+72h观察窗口）、peer（同行审批）、admin（管理员审批）、super（高风险，需人工审批）。返回判定等级和审批状态。. It is categorised as a Write tool in the Agent-Comm-Hub MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on propose_strategy_tiered? +

Register the Agent-Comm-Hub MCP server in PolicyLayer and add a rule for propose_strategy_tiered: 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 Agent-Comm-Hub. Nothing to install.

What risk level is propose_strategy_tiered? +

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

Can I rate-limit propose_strategy_tiered? +

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

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

propose_strategy_tiered is provided by the Agent-Comm-Hub MCP server (liuboacean/agent-comm-hub). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.