Check the status of a NexusToken task or your account balance.
AI agents call nexus_check_status to retrieve information from NexusToken without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves information about task status and account balance without creating, modifying, deleting, or executing operations. It has no side effects and poses minimal security risk—it only queries existing state.
From the tool's definition The tool name 'check_status' and description 'Check the status of a NexusToken task or your account balance' indicate it performs read-only queries without modifying data. Words 'check' and 'balance' confirm retrieval of status information.
Attacks that exploit this kind of access
Check the status of a NexusToken task or your account balance. It is categorised as a Read tool in the NexusToken MCP Server, which means it retrieves data without modifying state.
Register the NexusToken MCP server in PolicyLayer and add a rule for nexus_check_status: 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 NexusToken. Nothing to install.
nexus_check_status 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 nexus_check_status 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 nexus_check_status. 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.
nexus_check_status is provided by the NexusToken MCP server (bobuilds/nexustoken-sdk). 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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