Call a potential candidate to discuss job opportunities
AI agents invoke discuss_job_opening to trigger actions in Voice Assistant MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
This tool triggers an external real-world operation (an outbound phone call via Twilio) to a real person. It is not merely reading or writing data; it executes an action with tangible external effects — contacting a human candidate. Misuse could result in unwanted calls, harassment, or reputational damage, making severity high.
From the tool's definition 'Call a potential candidate to discuss job opportunities' — initiates an outbound phone call to an external party
Attacks that exploit this kind of access
Call a potential candidate to discuss job opportunities. It is categorised as a Execute tool in the Voice Assistant MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Voice Assistant MCP Server MCP server in PolicyLayer and add a rule for discuss_job_opening: 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 Voice Assistant MCP Server. Nothing to install.
discuss_job_opening is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the discuss_job_opening 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 discuss_job_opening. 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.
discuss_job_opening is provided by the Voice Assistant MCP Server MCP server (prakharbhardwaj/voice-agent-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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