Get statistics about all Copilot session history.
AI agents call get_session_stats to retrieve information from Mcp Copilotcli History without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and aggregates existing session data to produce statistics. It has no side effects, does not modify or delete data, does not execute code, and does not involve financial operations. It is purely informational retrieval, making it a Read category tool. Severity is low because exposure of conversation statistics poses minimal risk—statistics are typically aggregated, non-sensitive summaries.
From the tool's definition Tool performs statistical analysis on session history data without modification. Description indicates 'Get statistics about all Copilot session history' - a retrieval operation.
Attacks that exploit this kind of access
Get statistics about all Copilot session history. It is categorised as a Read tool in the Mcp Copilotcli History MCP Server, which means it retrieves data without modifying state.
Register the Mcp Copilotcli History MCP server in PolicyLayer and add a rule for get_session_stats: 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 Mcp Copilotcli History. Nothing to install.
get_session_stats 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_session_stats 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_session_stats. 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_session_stats is provided by the Mcp Copilotcli History MCP server (micromichaelie/mcp-copilotcli-history). 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.
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