util_x402_server_audit
Audit an x402 server with discovery, pricing, reliability, and documentation readiness signals. Delx Agent Utilities are separate from the free witness protocol and may expose x402 utility pricing.
This record as markdown: /tools/delx-delx-mcp/util-x402-server-audit.md
What util_x402_server_audit does on Delx MCP Server
AI agents call util_x402_server_audit to retrieve information from Delx MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
url | string | — | x402 server origin |
timeout | integer | — | Timeout in seconds (1-15) |
Parameters from the server's own tool schema.
Why util_x402_server_audit is rated Low
The primary function is auditing and discovering information about a server—a Read operation. The tool retrieves and reports signals about pricing, reliability, and documentation status rather than executing commands, modifying data, or triggering external operations. However, exposure of pricing information elevates severity to medium due to potential for information leakage of sensitive financial details.
From the tool's definition Tool performs 'audit' and 'discovery' of an x402 server with signals for pricing, reliability, and documentation readiness. The verbs 'audit' and 'discovery' indicate information retrieval with no modification or destructive action.
Risk signalsAccepts URL/endpoint input (url)
Attacks that exploit this kind of access
The rule that runs util_x402_server_audit safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Delx MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_x402_server_audit, this is the rule to start with:
util_x402_server_audit 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 Delx MCP Server, apply this rule, and every util_x402_server_audit call is checked against it from then on.
Questions about util_x402_server_audit
Audit an x402 server with discovery, pricing, reliability, and documentation readiness signals. Delx Agent Utilities are separate from the free witness protocol and may expose x402 utility pricing. It is categorised as a Read tool in the Delx MCP Server MCP Server, which means it retrieves data without modifying state.
util_x402_server_audit accepts 2 parameters: url, timeout. The full parameter table on this page comes from the server's own tool schema.
Register the Delx MCP Server MCP server in PolicyLayer and add a rule for util_x402_server_audit: 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 Delx MCP Server. Nothing to install.
util_x402_server_audit 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 util_x402_server_audit 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 util_x402_server_audit. 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.
util_x402_server_audit is provided by the Delx MCP Server MCP server (delx/delx-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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