crow_inbox
Check your inbox for received shares and messages from contacts.
This record as markdown: /tools/kh0pper-crow/crow-inbox.md
What crow_inbox does on Crow
AI agents call crow_inbox to retrieve information from Crow without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why crow_inbox is rated Low
This tool retrieves and displays existing messages and shares without modifying, deleting, or executing any operations. It is a straightforward data query operation that presents information to the user without causing any state changes or external actions.
From the tool's definition Tool description states 'Check your inbox for received shares and messages from contacts' - the verb 'check' and the purpose of retrieving/querying inbox contents indicate a read-only operation with no side effects.
Attacks that exploit this kind of access
The rule that runs crow_inbox safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Crow, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crow_inbox, this is the rule to start with:
crow_inbox 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 Crow, apply this rule, and every crow_inbox call is checked against it from then on.
Questions about crow_inbox
Check your inbox for received shares and messages from contacts. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_inbox: 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 Crow. Nothing to install.
crow_inbox 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 crow_inbox 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 crow_inbox. 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.
crow_inbox is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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