tetradic_colors
Get tetradic colors (four colors forming a rectangle on color wheel).
This record as markdown: /tools/io-tinyfn-tinyfn/tetradic-colors.md
What tetradic_colors does on TinyFn
AI agents call tetradic_colors 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 |
|---|---|---|---|
hex_color | string | Yes | Hex color |
Parameters from the server's own tool schema.
Why tetradic_colors is rated Low
This tool deterministically computes and returns tetradic color combinations without modifying, deleting, executing external code, or moving money. It is a read-only computation typical of the utility-focused TinyFn server.
From the tool's definition Tool name 'tetradic_colors' and description 'Get tetradic colors (four colors forming a rectangle on color wheel)' indicate a pure retrieval/computation function that returns color values based on color theory.
Attacks that exploit this kind of access
The rule that runs tetradic_colors 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 tetradic_colors, this is the rule to start with:
tetradic_colors 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 tetradic_colors call is checked against it from then on.
Questions about tetradic_colors
Get tetradic colors (four colors forming a rectangle on color wheel). It is categorised as a Read tool in the TinyFn MCP Server, which means it retrieves data without modifying state.
tetradic_colors accepts 1 parameter: hex_color. Required: hex_color. 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 tetradic_colors: 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.
tetradic_colors 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 tetradic_colors 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 tetradic_colors. 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.
tetradic_colors 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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