AI agents call week_number_2 to retrieve information from TinyFn without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
datetime_str | string | Yes | Datetime in ISO format |
Parameters from the server's own tool schema.
This tool performs a deterministic read-only computation on a date input to return its ISO week number. It retrieves information without creating, modifying, deleting, or executing any operations. No data is changed, no code is executed, and no side effects occur. This is a straightforward Read classification with low severity due to its purely informational nature.
From the tool's definition Tool name 'week_number_2' and description 'Get the ISO week number for a date' indicate a pure query operation that retrieves date information without side effects.
Attacks that exploit this kind of access
Get the ISO week number for a date. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
week_number_2 accepts 1 parameter: datetime_str. Required: datetime_str. 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 week_number_2: 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.
week_number_2 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 week_number_2 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 week_number_2. 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.
week_number_2 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.
week_number_2 is one line of TinyFn's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
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