basic_sentiment
Basic sentiment analysis using word lists.
This record as markdown: /tools/io-tinyfn-tinyfn/basic-sentiment.md
What basic_sentiment does on TinyFn
AI agents call basic_sentiment to retrieve information from TinyFn 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 |
|---|---|---|---|
text | string | Yes | Text to analyze |
Parameters from the server's own tool schema.
Why basic_sentiment is rated Low
This tool retrieves and analyzes sentiment from input text by matching against word lists. It is a passive analysis function that produces an output without modifying state, executing code, or triggering side effects. It fits the Read category as it queries/analyzes data deterministically.
From the tool's definition Tool name is 'basic_sentiment' and description states it performs 'sentiment analysis using word lists' — a pure analytical operation with no data modification, deletion, execution of external code, or financial implications.
Attacks that exploit this kind of access
The rule that runs basic_sentiment safely
PolicyLayer is an MCP gateway: it sits between your AI agents and TinyFn, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For basic_sentiment, this is the rule to start with:
basic_sentiment 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 TinyFn, apply this rule, and every basic_sentiment call is checked against it from then on.
Questions about basic_sentiment
Basic sentiment analysis using word lists. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
basic_sentiment accepts 1 parameter: text. Required: text. The full parameter table on this page comes from the server's own tool schema.
Register the TinyFn MCP server in PolicyLayer and add a rule for basic_sentiment: 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 TinyFn. Nothing to install.
basic_sentiment 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 basic_sentiment 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 basic_sentiment. 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.
basic_sentiment is provided by the TinyFn MCP server (https://api.tinyfn.io/mcp/all/). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
More on TinyFn, and thousands of servers like it.
This server
Across the catalogue