implementar_historia · Maestro MCP: Risk & Policy

WHAT IT DOES

What implementar_historia does on Maestro

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

WHY IT NEEDS A POLICY

Why implementar_historia needs a policy

The tool name and description suggest it implements (creates/writes) frontend code for a user story. This is a Write operation as it creates or modifies code in the codebase. Severity is high because automated code implementation by an AI agent can introduce significant changes across the codebase.

From the tool's definition 'implementar_historia' and 'Implementação Frontend First' — 'implementação' means implementation, indicating code/content creation or modification

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

implementar_historia Rate-limited

implementar_historia 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": {
    "implementar_historia": {
      "limits": [
        {
          "counter": "implementar_historia_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 Maestro, so you can run agents against it safely.

FAQ

Questions about implementar_historia

What does the implementar_historia tool do? +

[Interno] Implementação Frontend First. It is categorised as a Write tool in the Maestro MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on implementar_historia? +

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

What risk level is implementar_historia? +

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

Can I rate-limit implementar_historia? +

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

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

implementar_historia is provided by the Maestro MCP server (matheus-gama-deluna/maestro). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.