User messages sent to agents. Supports keyword search and conversation filter.
AI agents call get_user_prompts to retrieve information from Copilot Insights MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a Read operation: it queries and retrieves user conversation data without creating, modifying, or deleting records. However, severity is high because user prompts may contain sensitive information (business logic, personal data, credentials), making unauthorized access a significant privacy and security risk in a multi-tenant M365/Copilot Studio environment.
From the tool's definition Tool name 'get_user_prompts' and description 'User messages sent to agents. Supports keyword search and conversation filter' indicate data retrieval without modification.
Attacks that exploit this kind of access
User messages sent to agents. Supports keyword search and conversation filter. It is categorised as a Read tool in the Copilot Insights MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Copilot Insights MCP Server MCP server in PolicyLayer and add a rule for get_user_prompts: 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 Copilot Insights MCP Server. Nothing to install.
get_user_prompts 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 get_user_prompts 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 get_user_prompts. 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.
get_user_prompts is provided by the Copilot Insights MCP Server MCP server (syokiel/copilot-insights). 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.
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