AI agents call get_response_body to retrieve information from MiniApp CDP MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves response bodies from network requests—a read operation with no data modification. Severity is medium rather than low because response bodies may contain sensitive application data, authentication tokens, user information, or proprietary logic that could be exposed during debugging sessions.
From the tool's definition Tool name 'get_response_body' indicates retrieval of HTTP response data. Server context shows it operates within Chrome DevTools Protocol for debugging WeChat MiniApp code, enabling inspection of network traffic and application data.
Documented attack patterns abuse exactly the kind of access get_response_body gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MiniApp CDP MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_response_body:
{
"version": "1",
"default": "deny",
"tools": {
"get_response_body": {}
}
}get_response_body is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_response_body. It is categorised as a Read tool in the MiniApp CDP MCP MCP Server, which means it retrieves data without modifying state.
Register the MiniApp CDP MCP server in PolicyLayer and add a rule for get_response_body: 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 MiniApp CDP MCP. Nothing to install.
get_response_body 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 get_response_body 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 get_response_body. 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.
get_response_body is provided by the MiniApp CDP MCP server (zhizhuodemao/miniapp-cdp-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 18 MiniApp CDP MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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18 MiniApp CDP MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.