accessibility_audit

Run accessibility audit on component tree. Returns violations with rule, selector, and severity.

Server React Native @ohah/react-native-mcp-server
Category Read
Risk class Low
Parameters 00 required

What accessibility_audit does on React Native

AI agents call accessibility_audit to retrieve information from React Native without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why accessibility_audit needs a policy

The tool reads and analyzes the component tree to identify accessibility violations. It returns information (violations, rules, selectors, severity) without modifying, executing, or deleting any data. This is a read-only analysis operation with minimal blast radius.

From the tool's definition 'Run accessibility audit on component tree. Returns violations with rule, selector, and severity.'

Questions about accessibility_audit

What does the accessibility_audit tool do? +

Run accessibility audit on component tree. Returns violations with rule, selector, and severity. It is categorised as a Read tool in the React Native MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on accessibility_audit? +

Register the React Native MCP server in PolicyLayer and add a rule for accessibility_audit: 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 React Native. Nothing to install.

What risk level is accessibility_audit? +

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

Can I rate-limit accessibility_audit? +

Yes. Add a rate_limit block to the accessibility_audit 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 accessibility_audit completely? +

Set action: deny in the PolicyLayer policy for accessibility_audit. 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 accessibility_audit? +

accessibility_audit is provided by the React Native MCP server (@ohah/react-native-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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