Extract top keywords from text using TF-IDF-like scoring. No LLM needed.
AI agents call sicry_extract_keywords to retrieve information from Sicry without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs statistical text analysis (TF-IDF keyword extraction) on supplied text. It has no side effects, does not modify or delete data, does not execute code or external operations, and does not involve financial transactions. While the parent server (sicry) facilitates dark web access—a concerning capability—this particular tool is a pure read operation: it analyzes text and returns keywords.
From the tool's definition Tool description states 'Extract top keywords from text using TF-IDF-like scoring' — this is a text analysis operation that retrieves/derives information from provided input without modifying, deleting, or executing external operations.
Documented attack patterns abuse exactly the kind of access sicry_extract_keywords gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sicry, and nothing reaches the server without passing your rules. This is the rule we recommend for sicry_extract_keywords:
{
"version": "1",
"default": "deny",
"tools": {
"sicry_extract_keywords": {}
}
}sicry_extract_keywords is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Extract top keywords from text using TF-IDF-like scoring. No LLM needed. It is categorised as a Read tool in the Sicry MCP Server, which means it retrieves data without modifying state.
Register the Sicry MCP server in PolicyLayer and add a rule for sicry_extract_keywords: 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 Sicry. Nothing to install.
sicry_extract_keywords 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 sicry_extract_keywords 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 sicry_extract_keywords. 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.
sicry_extract_keywords is provided by the Sicry MCP server (jacobjandon/sicry). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sicry, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
15 Sicry tools catalogued and risk-classified — across an index of 43,000+ MCP servers.