compare_decimals
Compare decimal numbers with detailed explanation (handles 0.9 vs 0.11 correctly).
This record as markdown: /tools/io-tinyfn-tinyfn/compare-decimals.md
What compare_decimals does on TinyFn
AI agents call compare_decimals 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 |
|---|---|---|---|
a | string | Yes | First decimal number as string |
b | string | Yes | Second decimal number as string |
Parameters from the server's own tool schema.
Why compare_decimals is rated Low
The compare_decimals tool performs a deterministic mathematical comparison operation. It retrieves and analyzes numeric data without side effects, state changes, or irreversible actions. This is a pure computational function similar to other deterministic math tools in the TinyFn suite (e.g., absolute_value, add), placing it squarely in the Read category with low risk profile.
From the tool's definition Tool compares decimal numbers and provides explanation; no data creation, modification, deletion, code execution, or financial operations implied by name and description.
Attacks that exploit this kind of access
The rule that runs compare_decimals 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 compare_decimals, this is the rule to start with:
compare_decimals 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 compare_decimals call is checked against it from then on.
Questions about compare_decimals
Compare decimal numbers with detailed explanation (handles 0.9 vs 0.11 correctly). It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
compare_decimals accepts 2 parameters: a, b. Required: a, b. 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 compare_decimals: 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.
compare_decimals 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 compare_decimals 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 compare_decimals. 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.
compare_decimals 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.
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