design_a11y_check
AI agents call design_a11y_check to retrieve information from SIN-Code-Frontend-Design-Skill without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
WCAG 2.2 AA compliance checking is a diagnostic activity that examines design artifacts for accessibility standards without modifying, executing, or deleting anything. It retrieves and analyzes data to produce a report. The read category is appropriate, and severity is low because misuse would only produce inaccurate audit results, not cause operational damage or data loss.
From the tool's definition Tool name 'design_a11y_check' combined with server description stating it 'check[s] WCAG 2.2 AA' indicates an auditing/validation function.
Attacks that exploit this kind of access
design_a11y_check. It is categorised as a Read tool in the SIN-Code-Frontend-Design-Skill MCP Server, which means it retrieves data without modifying state.
Register the SIN-Code-Frontend-Design-Skill MCP server in PolicyLayer and add a rule for design_a11y_check: 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 SIN-Code-Frontend-Design-Skill. Nothing to install.
design_a11y_check 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 design_a11y_check 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 design_a11y_check. 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.
design_a11y_check is provided by the SIN-Code-Frontend-Design-Skill MCP server (opensin-code/sin-code-frontend-design-skill). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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