search_emails
Search one folder with typed filters and return bounded summaries plus opaque message references.
This record as markdown: /tools/mcp-control-plane/search-emails.md
What search_emails does on Mcp Control Plane
AI agents call search_emails to retrieve information from Mcp Control Plane without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why search_emails is rated Low
This tool retrieves and queries email data with filtering capabilities. The explicit mention of returning 'summaries' and 'opaque message references' confirms it is a read-only search operation with no side effects. While email access could reveal sensitive information, the tool itself is passive retrieval, making it a Read category risk.
From the tool's definition Tool name is 'search_emails' and description states it performs 'Search' with 'typed filters' and 'return bounded summaries plus opaque message references.' The action is retrieval with filtering and summarization—no modification, deletion, or execution.
Attacks that exploit this kind of access
The rule that runs search_emails safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Control Plane, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For search_emails, this is the rule to start with:
search_emails 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 Mcp Control Plane, apply this rule, and every search_emails call is checked against it from then on.
Questions about search_emails
Search one folder with typed filters and return bounded summaries plus opaque message references. It is categorised as a Read tool in the Mcp Control Plane MCP Server, which means it retrieves data without modifying state.
Register the Mcp Control Plane MCP server in PolicyLayer and add a rule for search_emails: 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 Control Plane. Nothing to install.
search_emails 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 search_emails 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 search_emails. 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.
search_emails is provided by the Mcp Control Plane MCP server (albertik322-sudo/mcp-control-plane). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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