get_topics_by_tags

THE RISK

Low Risk

Why get_topics_by_tags needs a policy

This is a straightforward query operation that retrieves and lists conference agenda data. It has no side effects, does not execute code or commands, does not modify data, and does not involve financial transactions. The blast radius of misuse is minimal—an AI agent could only retrieve topic information it is already authorized to access through this server.

From the tool's definition Tool name 'get_topics_by_tags' and description 'Lista los temas disponibles agrupados por tags' (Lists available topics grouped by tags) indicates a retrieval operation that returns structured data about conference topics without modifying, executing, or…

Documented attack patterns abuse exactly the kind of access get_topics_by_tags gives an agent:

POLICY

How to control get_topics_by_tags

PolicyLayer is an MCP gateway — it sits between your AI agents and Nerdearla Agenda MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_topics_by_tags:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_topics_by_tags": {}
  }
}

get_topics_by_tags is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Nerdearla Agenda MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Nerdearla Agenda MCP Server tools

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_topics_by_tags

What does the get_topics_by_tags tool do? +

Lista los temas disponibles agrupados por tags. It is categorised as a Read tool in the Nerdearla Agenda MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_topics_by_tags? +

Register the Nerdearla Agenda MCP Server MCP server in PolicyLayer and add a rule for get_topics_by_tags: 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 Nerdearla Agenda MCP Server. Nothing to install.

What risk level is get_topics_by_tags? +

get_topics_by_tags is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_topics_by_tags? +

Yes. Add a rate_limit block to the get_topics_by_tags 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.

How do I block get_topics_by_tags completely? +

Set action: deny in the PolicyLayer policy for get_topics_by_tags. 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.

What MCP server provides get_topics_by_tags? +

get_topics_by_tags is provided by the Nerdearla Agenda MCP Server MCP server (tecnomanu/nerdearla-agenda-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Nerdearla Agenda MCP Server tool call.

Start from Nerdearla Agenda MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →