Read-only authenticated diagnostics for a Run402 public URL or host/path pair. Explains whether the current live release would serve the URL, including match, diagnostic body status, static manifest/cache metadata when returned, structured warnings for ignored query/fragment, and next steps. This...
AI agents call deploy_diagnose_url to retrieve information from Run402 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool explicitly states it is read-only and performs no mutations, cache purges, or state changes. It only analyzes and explains routing/deployment configuration for a given URL, making it a pure Read operation with minimal blast radius.
From the tool's definition Read-only authenticated diagnostics... This does not fetch bytes, purge cache, mutate deploy state, or expose internal CAS URLs.
Attacks that exploit this kind of access
Read-only authenticated diagnostics for a Run402 public URL or host/path pair. Explains whether the current live release would serve the URL, including match, diagnostic body status, static manifest/cache metadata when returned, structured warnings for ignored query/fragment, and next steps. This does not fetch bytes, purge cache, mutate deploy state, or expose internal CAS URLs. It is categorised as a Read tool in the Run402 MCP Server, which means it retrieves data without modifying state.
Register the Run402 MCP server in PolicyLayer and add a rule for deploy_diagnose_url: 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 Run402. Nothing to install.
deploy_diagnose_url 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 deploy_diagnose_url 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 deploy_diagnose_url. 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.
deploy_diagnose_url is provided by the Run402 MCP server (kychee-com/run402). 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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