arvan_update_cdn_app
Update a CDN app with the given fields.
This record as markdown: /tools/dwin-gharibi-arvancloud-mcp/arvan-update-cdn-app.md
What arvan_update_cdn_app does on ArvanCloud MCP Server
AI agents use arvan_update_cdn_app to create or update resources in ArvanCloud MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ArvanCloud MCP Server environment.
Why arvan_update_cdn_app is rated Medium
CDN app updates can modify critical routing, caching, security, and performance settings that affect production traffic and service delivery. While reversible, misconfiguration could disrupt service availability, redirect traffic incorrectly, or expose sensitive content. The blast radius is high (impacts CDN service users) but the operation itself is write-class (modifiable, not destructive or financial).
From the tool's definition Tool name 'arvan_update_cdn_app' and description 'Update a CDN app with the given fields' indicate modification of existing CDN application configuration. This is a reversible change operation without deletion or financial impact.
Attacks that exploit this kind of access
The rule that runs arvan_update_cdn_app safely
PolicyLayer is an MCP gateway: it sits between your AI agents and ArvanCloud MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For arvan_update_cdn_app, this is the rule to start with:
arvan_update_cdn_app stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect ArvanCloud MCP Server, apply this rule, and every arvan_update_cdn_app call is checked against it from then on.
Questions about arvan_update_cdn_app
Update a CDN app with the given fields. It is categorised as a Write tool in the ArvanCloud MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the ArvanCloud MCP Server MCP server in PolicyLayer and add a rule for arvan_update_cdn_app: 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 ArvanCloud MCP Server. Nothing to install.
arvan_update_cdn_app is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the arvan_update_cdn_app 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 arvan_update_cdn_app. 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.
arvan_update_cdn_app is provided by the ArvanCloud MCP Server MCP server (dwin-gharibi/arvancloud-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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