list_workspace_messages

SERVERSanka MCP Server SOURCEsankahq/sanka-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sankahq-sanka-mcp/list-workspace-messages.md

WHAT IT DOES

What list_workspace_messages does on Sanka MCP Server

AI agents call list_workspace_messages to retrieve information from Sanka MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_workspace_messages is rated Low

This tool retrieves and lists existing messages from shared workspace channels. It performs no modifications, deletions, executions, or financial operations. The scope is limited to reviewing already-stored messages in collaborative spaces rather than personal inboxes, reducing the risk profile. Classification is Read with low severity.

From the tool's definition Tool name 'list_workspace_messages' and description explicitly states 'Review shared workspace/integration inbox threads' - a retrieval operation with no modification, deletion, or execution capability.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_workspace_messages 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 list_workspace_messages, this is the rule to start with:

list_workspace_messages Allowed

list_workspace_messages is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY 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 list_workspace_messages call is checked against it from then on.

FAQ

Questions about list_workspace_messages

What does the list_workspace_messages tool do? +

Review shared workspace/integration inbox threads in Sanka. Prefer this for Sanka-connected Gmail, Gmail integrations, integration inbox, /conversation, Contact Conversation, shared inbox, group inbox, and workspace inbox. This is not the authenticated user private/personal inbox. It is categorised as a Read tool in the Sanka MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_workspace_messages? +

Register the Sanka MCP Server MCP server in PolicyLayer and add a rule for list_workspace_messages: 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 list_workspace_messages? +

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

Can I rate-limit list_workspace_messages? +

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

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

list_workspace_messages 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.

KEEP EXPLORING

More on Sanka MCP Server, and thousands of servers like it.

This server

All 349 Sanka MCP Server tools →

Across the catalogue

aiva_list_affiliates on AIVA MCP Server →list_circuits on 0gzk →list_agents on 0rca Dojo MCP Server → The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →