reply_private_message_thread

SERVERSanka MCP Server SOURCEsankahq/sanka-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sankahq-sanka-mcp/reply-private-message-thread.md

WHAT IT DOES

What reply_private_message_thread does on Sanka MCP Server

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

RISK

Why reply_private_message_thread is rated Medium

This tool creates and modifies communication data by sending messages on behalf of a user. While messages can sometimes be deleted post-send, the primary action is write/create. It is not Read (retrieves data), not Destructive (messages aren't irreversibly deleted by sending), not Execute (doesn't run code or arbitrary external operations), and not Financial.

From the tool's definition Tool description states it "sends a reply" and "Send a reply on an authenticated user private/personal account-level inbox thread". The action creates and transmits a new message, which is reversible (can be unsent or deleted in many email systems).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs reply_private_message_thread safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Sanka MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For reply_private_message_thread, this is the rule to start with:

reply_private_message_thread Rate-limited

reply_private_message_thread 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": {
    "reply_private_message_thread": {
      "limits": [
        {
          "counter": "reply_private_message_thread_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Sanka MCP Server, apply this rule, and every reply_private_message_thread call is checked against it from then on.

FAQ

Questions about reply_private_message_thread

What does the reply_private_message_thread tool do? +

Send a reply on an authenticated user private/personal account-level inbox thread in Sanka. Requires explicit user authorization for the exact reply via confirm_send=true and returns the actual sender email. If multiple distinct send-capable email addresses are connected across personal and workspace inboxes, the user must also confirm the exact sender via expected_sender_email; with one address it may be omitted. Drafting or writing a reply is not send authorization. This is not for workspace integration inbox, /conversation, shared inbox, group inbox, or workspace inbox threads. It is categorised as a Write tool in the Sanka MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on reply_private_message_thread? +

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

What risk level is reply_private_message_thread? +

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

Can I rate-limit reply_private_message_thread? +

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

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

reply_private_message_thread is provided by the Sanka MCP Server MCP server (sankahq/sanka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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