AI agents call list_kafka_topics to retrieve information from Mcp Timeplus without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool lists available Kafka topics in a Timeplus streaming data environment. Listing is a read-only operation that queries available resources without modifying, executing, or deleting data. The blast radius is minimal: an agent listing topics gains observability but cannot alter the streaming infrastructure or trigger unintended side effects.
From the tool's definition Tool name 'list_kafka_topics' indicates a retrieval/listing operation with no descriptive payload. No parameters suggest data modification or deletion.
Documented attack patterns abuse exactly the kind of access list_kafka_topics gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Timeplus, and nothing reaches the server without passing your rules. This is the rule we recommend for list_kafka_topics:
{
"version": "1",
"default": "deny",
"tools": {
"list_kafka_topics": {}
}
}list_kafka_topics is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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list_kafka_topics. It is categorised as a Read tool in the Mcp Timeplus MCP Server, which means it retrieves data without modifying state.
Register the Mcp Timeplus MCP server in PolicyLayer and add a rule for list_kafka_topics: 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 Mcp Timeplus. Nothing to install.
list_kafka_topics 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 list_kafka_topics 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 list_kafka_topics. 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.
list_kafka_topics is provided by the Mcp Timeplus MCP server (timeplus-io/mcp-timeplus). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Mcp Timeplus, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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7 Mcp Timeplus tools catalogued and risk-classified — across an index of 43,000+ MCP servers.