This record as markdown: /tools/quangdang46-uefn-verse-mcp/select-by-property.md
What select_by_property does on Uefn
AI agents call select_by_property to retrieve information from Uefn without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why select_by_property is rated Low
The name implies querying or filtering actors based on a property, which is a read operation. However, 'select' in editor contexts can sometimes mean modifying the selection state (a write side-effect). With no description to confirm, confidence is lowered.
From the tool's definition Tool name 'select_by_property' — no description provided; name suggests selecting/filtering actors by a property value, which is a read/query operation.
Attacks that exploit this kind of access
The rule that runs select_by_property safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Uefn, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For select_by_property, this is the rule to start with:
select_by_property 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 Uefn, apply this rule, and every select_by_property call is checked against it from then on.
Questions about select_by_property
select_by_property is a read tool on the Uefn MCP server. It is categorised as a Read tool in the Uefn MCP Server, which means it retrieves data without modifying state.
Register the Uefn MCP server in PolicyLayer and add a rule for select_by_property: 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 Uefn. Nothing to install.
select_by_property 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 select_by_property 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 select_by_property. 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.
select_by_property is provided by the Uefn MCP server (quangdang46/uefn-verse-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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