tfidf_calculate
Calculate TF-IDF scores to rank documents by relevance to a query.
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/tfidf-calculate.md
What tfidf_calculate does on UnClick
AI agents call tfidf_calculate to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | Search query. |
documents | array | Yes | Array of document strings. |
Parameters from the server's own tool schema.
Why tfidf_calculate is rated Low
TF-IDF (Term Frequency-Inverse Document Frequency) calculation is a statistical analysis method that retrieves and scores existing documents. It has no side effects, does not modify data, does not execute code or commands, and does not perform financial transactions. This is a quintessential Read operation: it queries/analyzes data and returns ranked results without altering state.
From the tool's definition Tool description states it 'Calculate[s] TF-IDF scores to rank documents by relevance to a query'—a pure information retrieval and ranking operation with no modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
The rule that runs tfidf_calculate safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For tfidf_calculate, this is the rule to start with:
tfidf_calculate is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every tfidf_calculate call is checked against it from then on.
Questions about tfidf_calculate
Calculate TF-IDF scores to rank documents by relevance to a query. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
tfidf_calculate accepts 2 parameters: query, documents. Required: query, documents. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for tfidf_calculate: 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 UnClick. Nothing to install.
tfidf_calculate 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 tfidf_calculate 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 tfidf_calculate. 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.
tfidf_calculate is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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