send_chat_message

Send a message in a chat

SERVERinstantKOM MCP Server SOURCEinstantkom/mcp-server

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/instantkom-mcp-server/send-chat-message.md

WHAT IT DOES

What send_chat_message does on instantKOM MCP Server

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

RISK

Why send_chat_message is rated Medium

This tool creates and posts new chat messages, which is a write operation that modifies the platform's message store. It is reversible (messages can typically be deleted) and has no financial impact.

From the tool's definition Tool description states 'Send a message in a chat' — creates new message data in the instantKOM messenger platform.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs send_chat_message safely

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

send_chat_message Rate-limited

send_chat_message 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": {
    "send_chat_message": {
      "limits": [
        {
          "counter": "send_chat_message_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 instantKOM MCP Server, apply this rule, and every send_chat_message call is checked against it from then on.

FAQ

Questions about send_chat_message

What does the send_chat_message tool do? +

Send a message in a chat. It is categorised as a Write tool in the instantKOM 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 send_chat_message? +

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

What risk level is send_chat_message? +

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

Can I rate-limit send_chat_message? +

Yes. Add a rate_limit block to the send_chat_message 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_chat_message completely? +

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

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

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