retrieve_workflow_run

THE RISK

Low Risk

Why retrieve_workflow_run needs a policy

This tool queries workflow run information without creating, modifying, deleting, or executing any operations. It is a straightforward data retrieval operation with no side effects, fitting the Read category. The blast radius is minimal since it only returns status information about an existing workflow.

From the tool's definition Tool retrieves a workflow run by id and returns status. The verb 'retrieve' and the return of status information indicate querying/reading existing data with no modification.

Documented attack patterns abuse exactly the kind of access retrieve_workflow_run gives an agent:

POLICY

How to control retrieve_workflow_run

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Afip, and nothing reaches the server without passing your rules. This is the rule we recommend for retrieve_workflow_run:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "retrieve_workflow_run": {}
  }
}

retrieve_workflow_run is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Afip — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about retrieve_workflow_run

What does the retrieve_workflow_run tool do? +

Retrieve a workflow run by id. Returns status (. It is categorised as a Read tool in the Mcp Afip MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on retrieve_workflow_run? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for retrieve_workflow_run: 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 Mcp Afip. Nothing to install.

What risk level is retrieve_workflow_run? +

retrieve_workflow_run is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit retrieve_workflow_run? +

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

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

retrieve_workflow_run is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Afip tool call.

Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →