send_chat_message
Send a message to a chat.
This record as markdown: /tools/freshdesk/send-chat-message.md
What send_chat_message does on Freshdesk
AI agents use send_chat_message to create or update resources in Freshdesk, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Freshdesk environment.
Why send_chat_message is rated Medium
Sending a chat message creates new data (the message itself) and modifies the chat history irreversibly in the sense that it cannot be unsent in most systems. However, it is not destructive (the message can theoretically be deleted by admins), not financial, and not execute-level (it doesn't run code or trigger complex external operations).
From the tool's definition Tool description states 'Send a message to a chat,' which creates new message data in a chat system. This is a write operation that modifies chat state by adding content.
Attacks that exploit this kind of access
The rule that runs send_chat_message safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Freshdesk, 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 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Freshdesk, apply this rule, and every send_chat_message call is checked against it from then on.
Questions about send_chat_message
Send a message to a chat. It is categorised as a Write tool in the Freshdesk MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Freshdesk 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 Freshdesk. Nothing to install.
send_chat_message is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
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.
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.
send_chat_message is provided by the Freshdesk MCP server (@mindstone-engineering/mcp-server-freshdesk). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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