This record as markdown: /tools/andyleimc-source-tencent-ad-mcp/leads-add.md
What leads_add does on Tencent Ad MCP Server
AI agents use leads_add 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 leads_add is rated Medium
The tool creates (adds) lead data in the advertising platform. While this is reversible data creation rather than deletion, it modifies the state of the system by inserting new records. In the context of ad management APIs, creating leads can have downstream effects on marketing campaigns and customer data, justifying medium severity.
From the tool's definition Tool name 'leads_add' and description '创建线索 (Create lead)' indicate creation of new lead records in Tencent Ads system. This is a write operation that creates data records.
Attacks that exploit this kind of access
The rule that runs leads_add 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 leads_add, this is the rule to start with:
leads_add 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 leads_add call is checked against it from then on.
Questions about leads_add
创建线索 (Create lead). 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 leads_add: 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.
leads_add 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 leads_add 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 leads_add. 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.
leads_add 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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