This record as markdown: /tools/io-tinyfn-tinyfn/prime-factors.md
What prime_factors does on TinyFn
AI agents call prime_factors 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 |
|---|---|---|---|
number | integer | Yes | Number to factorize |
Parameters from the server's own tool schema.
Why prime_factors is rated Low
This is a deterministic mathematical utility that performs a computation and returns results. It matches the Read category profile: retrieves/queries data with no side effects. No data is created, modified, deleted, or executed. Severity is low because misuse poses no security or operational risk.
From the tool's definition Tool description states 'Get prime factors of a number' — a pure computational read operation that retrieves mathematical properties of input without modifying state, creating side effects, or accessing external systems.
Attacks that exploit this kind of access
The rule that runs prime_factors 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 prime_factors, this is the rule to start with:
prime_factors 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 prime_factors call is checked against it from then on.
Questions about prime_factors
Get prime factors of a number. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
prime_factors accepts 1 parameter: number. Required: number. 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 prime_factors: 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.
prime_factors 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 prime_factors 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 prime_factors. 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.
prime_factors 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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