create_palette_html · MCP Color Server MCP: Risk & Policy

WHAT IT DOES

What create_palette_html does on MCP Color Server

AI agents use create_palette_html to create or update resources in MCP Color Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Color Server environment.

WHY IT NEEDS A POLICY

Why create_palette_html needs a policy

The tool creates HTML output files or content, which is a Write operation (creates data reversibly). The severity is low because HTML visualization files cannot harm systems, contain no sensitive data modification, and are easily reversible/deletable. There is no code execution, data destruction, financial impact, or irreversible side effects.

From the tool's definition Tool generates and creates HTML visualizations ("Generate interactive HTML visualizations"). The action is to create/produce output content, which fits the Write category—it produces new data artifacts reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_palette_html Rate-limited

create_palette_html stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_palette_html": {
      "limits": [
        {
          "counter": "create_palette_html_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Color Server, so you can run agents against it safely.

FAQ

Questions about create_palette_html

What does the create_palette_html tool do? +

Generate interactive HTML visualizations. It is categorised as a Write tool in the MCP Color Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_palette_html? +

Register the MCP Color Server MCP server in PolicyLayer and add a rule for create_palette_html: 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 MCP Color Server. Nothing to install.

What risk level is create_palette_html? +

create_palette_html is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_palette_html? +

Yes. Add a rate_limit block to the create_palette_html 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.

How do I block create_palette_html completely? +

Set action: deny in the PolicyLayer policy for create_palette_html. 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.

What MCP server provides create_palette_html? +

create_palette_html is provided by the MCP Color Server MCP server (keyurgolani/colormcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.