update_draft · Fichapao MCP: Risk & Policy

WHAT IT DOES

What update_draft does on Fichapao

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

WHY IT NEEDS A POLICY

Why update_draft needs a policy

This tool modifies existing recipe draft or review versions in the Postgres database. The operation is reversible (can be undone by subsequent updates) and scoped to non-approved versions, preventing direct damage to finalized recipes. It does not execute arbitrary code, delete data, or move financial assets.

From the tool's definition Tool description states 'Atualiza uma versao em rascunho ou em revisao' (Updates a version in draft or in review). The verb 'update' and the stated scope (draft/review versions only, not approved ones) indicate reversible modification of data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_draft Rate-limited

update_draft 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": {
    "update_draft": {
      "limits": [
        {
          "counter": "update_draft_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 Fichapao, so you can run agents against it safely.

FAQ

Questions about update_draft

What does the update_draft tool do? +

Atualiza uma versao em rascunho ou em revisao. Nao altera fichas aprovadas. It is categorised as a Write tool in the Fichapao MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_draft? +

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

What risk level is update_draft? +

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

Can I rate-limit update_draft? +

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

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

update_draft is provided by the Fichapao MCP server (kratos4ai/fichapao-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.