send_typing_indicator

THE RISK

High Risk

Why send_typing_indicator needs a policy

The tool triggers an external operation (displaying a typing indicator and marking a message as read) in a messaging system. It has side effects beyond reading — it modifies state (read status) and sends a signal to another party — but these effects are minor and reversible in impact. Severity is low given the minimal blast radius.

From the tool's definition 'Show a typing indicator on a received message. Also marks the message as read.'

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

POLICY

How to control send_typing_indicator

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 send_typing_indicator:

policy.json

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

send_typing_indicator 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.

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.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

High-risk tools in Mcp Afip → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about send_typing_indicator

What does the send_typing_indicator tool do? +

Show a typing indicator on a received message. Also marks the message as read. Indicator auto-clears after ~25s or when you reply. It is categorised as a Execute tool in the Mcp Afip MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on send_typing_indicator? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for send_typing_indicator: 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 send_typing_indicator? +

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

Can I rate-limit send_typing_indicator? +

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

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

send_typing_indicator 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 →