save_and_continue · FreeTaxUSA MCP Server MCP: Risk & Policy

WHAT IT DOES

What save_and_continue does on FreeTaxUSA MCP Server

AI agents invoke save_and_continue to trigger actions in FreeTaxUSA MCP Server. 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 save_and_continue needs a policy

This tool submits a page and advances the tax filing workflow, which is an external browser/system operation with real side effects (progressing through tax filing steps). It is not merely reading or writing data locally — it triggers a submission action in FreeTaxUSA.

From the tool's definition 'Submit the current FreeTaxUSA page and advance to the next page' — triggers a form submission action in an external tax filing system, advancing the workflow state

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

save_and_continue Rate-limited

save_and_continue 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": {
    "save_and_continue": {
      "limits": [
        {
          "counter": "save_and_continue_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 FreeTaxUSA MCP Server, so you can run agents against it safely.

FAQ

Questions about save_and_continue

What does the save_and_continue tool do? +

Submit the current FreeTaxUSA page and advance to the next page. It is categorised as a Execute tool in the FreeTaxUSA MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on save_and_continue? +

Register the FreeTaxUSA MCP Server MCP server in PolicyLayer and add a rule for save_and_continue: 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 FreeTaxUSA MCP Server. Nothing to install.

What risk level is save_and_continue? +

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

Can I rate-limit save_and_continue? +

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

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

save_and_continue is provided by the FreeTaxUSA MCP Server MCP server (schwarztim/freetaxusa-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.