teams_list_channel_messages

List messages in a channel. Returns the most recent messages.

SERVERSage MCP SOURCEsagemcp/sagemcp

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/sagemcp-sagemcp/teams-list-channel-messages.md

WHAT IT DOES

What teams_list_channel_messages does on Sage MCP

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

RISK

Why teams_list_channel_messages is rated Low

This tool retrieves historical message data from a Teams channel without creating, modifying, deleting, executing code, or triggering external operations. It is a read-only data retrieval operation. Severity is low because listing messages is a standard read operation with minimal blast radius, though sensitivity depends on channel content classification in the tenant's environment.

From the tool's definition Tool name 'teams_list_channel_messages' and description 'List messages in a channel. Returns the most recent messages.' indicate a query/retrieval operation with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs teams_list_channel_messages safely

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

teams_list_channel_messages Allowed

teams_list_channel_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": {
    "teams_list_channel_messages": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about teams_list_channel_messages

What does the teams_list_channel_messages tool do? +

List messages in a channel. Returns the most recent messages. It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on teams_list_channel_messages? +

Register the Sage MCP server in PolicyLayer and add a rule for teams_list_channel_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 Sage MCP. Nothing to install.

What risk level is teams_list_channel_messages? +

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

Can I rate-limit teams_list_channel_messages? +

Yes. Add a rate_limit block to the teams_list_channel_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 teams_list_channel_messages completely? +

Set action: deny in the PolicyLayer policy for teams_list_channel_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 teams_list_channel_messages? +

teams_list_channel_messages is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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