This record as markdown: /tools/andyleimc-source-tencent-ad-mcp/extend-package-update.md
What extend_package_update does on Tencent Ad MCP Server
AI agents use extend_package_update to create or update resources in Tencent Ad MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tencent Ad MCP Server environment.
Why extend_package_update is rated Medium
This tool updates application sub-package versions, which is a data modification operation. It is reversible (versions can be updated again to different values), so it falls under Write rather than Destructive. The severity is medium because misconfiguration could affect ad serving or app deployment, but the blast radius is limited to package metadata rather than financial systems or irreversible deletions.
From the tool's definition Tool name 'extend_package_update' and description '更新应用子包版本' (update application sub-package version) indicate modification of package/app version data.
Attacks that exploit this kind of access
The rule that runs extend_package_update safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Tencent Ad MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For extend_package_update, this is the rule to start with:
extend_package_update 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 Tencent Ad MCP Server, apply this rule, and every extend_package_update call is checked against it from then on.
Questions about extend_package_update
更新应用子包版本. It is categorised as a Write tool in the Tencent Ad MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Tencent Ad MCP Server MCP server in PolicyLayer and add a rule for extend_package_update: 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 Tencent Ad MCP Server. Nothing to install.
extend_package_update 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 extend_package_update 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 extend_package_update. 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.
extend_package_update is provided by the Tencent Ad MCP Server MCP server (andyleimc-source/tencent-ad-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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