analyze_regime · Market Brief MCP: Risk & Policy

WHAT IT DOES

What analyze_regime does on Market Brief

AI agents invoke analyze_regime to trigger actions in Market Brief. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why analyze_regime needs a policy

The tool executes a macro regime detection algorithm against market data. It does not merely retrieve stored data but runs a computational process to identify structural market regimes. No financial transactions, deletions, or writes are implied.

From the tool's definition 'Run the macro regime detector' — the word 'Run' indicates execution of an analytical process/algorithm

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

analyze_regime Rate-limited

analyze_regime stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "analyze_regime": {
      "limits": [
        {
          "counter": "analyze_regime_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Market Brief, so you can run agents against it safely.

FAQ

Questions about analyze_regime

What does the analyze_regime tool do? +

Run the macro regime detector — identifies structural market regime. It is categorised as a Execute tool in the Market Brief MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on analyze_regime? +

Register the Market Brief MCP server in PolicyLayer and add a rule for analyze_regime: 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 Market Brief. Nothing to install.

What risk level is analyze_regime? +

analyze_regime is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit analyze_regime? +

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

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

analyze_regime is provided by the Market Brief MCP server (yukipanpan/marketbrief). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.