Look up an entity by handle.
AI agents call resolve_handle to retrieve information from Thenvoi MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple lookup/query operation to retrieve entity information by handle. It has no side effects and only reads data, making it a low-severity Read operation.
From the tool's definition Look up an entity by handle
Attacks that exploit this kind of access
Look up an entity by handle. It is categorised as a Read tool in the Thenvoi MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Thenvoi MCP Server MCP server in PolicyLayer and add a rule for resolve_handle: 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 Thenvoi MCP Server. Nothing to install.
resolve_handle 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 resolve_handle 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 resolve_handle. 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.
resolve_handle is provided by the Thenvoi MCP Server MCP server (thenvoi/thenvoi-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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