This record as markdown: /tools/cowork-bench/get-unread-count.md
What get_unread_count does on Cowork Bench
AI agents call get_unread_count to retrieve information from Cowork Bench without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why get_unread_count is rated Low
This tool performs a read-only operation to fetch the count of unread messages. It has no side effects, does not modify data, and poses minimal risk if misused by an AI agent. The operation is informational in nature and falls squarely within the Read category.
From the tool's definition Tool name 'get_unread_count' and description 'Get unread message count' indicate a query operation that retrieves data without modification.
Attacks that exploit this kind of access
The rule that runs get_unread_count safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Cowork Bench, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_unread_count, this is the rule to start with:
get_unread_count is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Cowork Bench, apply this rule, and every get_unread_count call is checked against it from then on.
Questions about get_unread_count
Get unread message count. It is categorised as a Read tool in the Cowork Bench MCP Server, which means it retrieves data without modifying state.
Register the Cowork Bench MCP server in PolicyLayer and add a rule for get_unread_count: 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 Cowork Bench. Nothing to install.
get_unread_count 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_unread_count 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_unread_count. 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_unread_count is provided by the Cowork Bench MCP server (0717376/cowork_bench). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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