get-design-tokens · Visa Design System MCP Server MCP

WHAT IT DOES

What get-design-tokens does on Visa Design System MCP Server

AI agents call get-design-tokens to retrieve information from Visa Design System MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get-design-tokens needs a policy

This tool retrieves design tokens from Visa's Design System—a read-only query with no side effects. It neither modifies data, executes external code, deletes resources, nor commits financial transactions. The optional filtering is a standard query parameter. No destructive or risky operations are possible with this tool.

From the tool's definition Tool name 'get-design-tokens' and description 'Get design tokens with optional category filtering' indicate a retrieval operation.

Attacks that exploit this kind of access

Questions about get-design-tokens

What does the get-design-tokens tool do? +

Get design tokens with optional category filtering. It is categorised as a Read tool in the Visa Design System MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get-design-tokens? +

Register the Visa Design System MCP Server MCP server in PolicyLayer and add a rule for get-design-tokens: 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 Visa Design System MCP Server. Nothing to install.

What risk level is get-design-tokens? +

get-design-tokens is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get-design-tokens? +

Yes. Add a rate_limit block to the get-design-tokens 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 get-design-tokens completely? +

Set action: deny in the PolicyLayer policy for get-design-tokens. 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 get-design-tokens? +

get-design-tokens is provided by the Visa Design System MCP Server MCP server (marysuneela/mcp-vpds). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.