Get a single message by ID with full content. Works for messages of any age - no retention limit. Use this to resolve truncated search results, saved message stubs, or retrieve any specific message when you have the conversationId and messageId.
AI agents call teams_get_message to retrieve information from Teams MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only query operation to fetch message data. It has no side effects—it does not create, modify, delete, or execute anything. The blast radius of misuse is minimal: an attacker could read message contents they might not be authorized to access, but this is a data confidentiality issue rather than integrity or availability risk. No destructive, financial, or code execution impact.
From the tool's definition Tool retrieves a single message by ID with full content; described as 'Get' with no modification, deletion, or execution capabilities mentioned.
Attacks that exploit this kind of access
Get a single message by ID with full content. Works for messages of any age - no retention limit. Use this to resolve truncated search results, saved message stubs, or retrieve any specific message when you have the conversationId and messageId. It is categorised as a Read tool in the Teams MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Teams MCP Server MCP server in PolicyLayer and add a rule for teams_get_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 Teams MCP Server. Nothing to install.
teams_get_message is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the teams_get_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 teams_get_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.
teams_get_message is provided by the Teams MCP Server MCP server (m0nkmaster/msteams-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →