This record as markdown: /tools/io-tinyfn-tinyfn/hsv-to-hex.md
What hsv_to_hex does on TinyFn
AI agents call hsv_to_hex 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 |
|---|---|---|---|
h | integer | Yes | Hue (0-360) |
s | integer | Yes | Saturation (0-100) |
v | integer | Yes | Value (0-100) |
Parameters from the server's own tool schema.
Why hsv_to_hex is rated Low
This tool retrieves/transforms input data (HSV color values) into output data (hex color representation) without creating, modifying, deleting, or executing external operations. It is a pure computational function analogous to other utility conversions on this server, fitting the Read category for data retrieval/transformation with no side effects.
From the tool's definition Tool name 'hsv_to_hex' and description 'Convert HSV to hex color' indicate a deterministic color format conversion operation with no side effects, consistent with sibling tools that perform mathematical conversions (e.g., 'acres_to_hectares', 'add',…
Attacks that exploit this kind of access
The rule that runs hsv_to_hex 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 hsv_to_hex, this is the rule to start with:
hsv_to_hex 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 hsv_to_hex call is checked against it from then on.
Questions about hsv_to_hex
Convert HSV to hex color. It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
hsv_to_hex accepts 3 parameters: h, s, v. Required: h, s, v. 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 hsv_to_hex: 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.
hsv_to_hex 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 hsv_to_hex 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 hsv_to_hex. 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.
hsv_to_hex 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