AI agents call sendook_get_thread to retrieve information from Sendook without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves email thread data with no apparent side effects. While the description is empty, the naming pattern and sibling tools strongly indicate a Read operation. Severity is medium rather than low because email threads may contain sensitive communication data; misuse could expose private correspondence, but no destructive or financial risk is present.
From the tool's definition Tool name 'sendook_get_thread' indicates retrieval of thread data. Sibling tools include 'sendook_list_threads', 'sendook_get_inbox', and 'sendook_get_message', all clearly Read operations.
Attacks that exploit this kind of access
sendook_get_thread. It is categorised as a Read tool in the Sendook MCP Server, which means it retrieves data without modifying state.
Register the Sendook MCP server in PolicyLayer and add a rule for sendook_get_thread: 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 Sendook. Nothing to install.
sendook_get_thread 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 sendook_get_thread 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 sendook_get_thread. 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.
sendook_get_thread is provided by the Sendook MCP server (streamlinedstartup/sendook-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.
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