Advanced quality checks: hook usage, enqueue timing, security (SQL injection, XSS, SSRF, nonce mismatch, shell exec), performance (N+1 queries, unbounded queries, missing timeouts), accessibility, deprecated WP functions. Catches issues WPCS misses.
AI agents call wpcs_quality_check to retrieve information from WPCS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool analyzes code statically to identify quality and security issues without altering files, executing code, or triggering side effects. It is purely informational—reporting findings about existing code. The security checks mentioned (SQL injection, XSS patterns) are pattern-matching analyses, not actual execution or modification. This fits the Read category as it retrieves/queries code analysis results.
From the tool's definition Tool performs 'quality checks' and 'catches issues' on code; described as checking for hook usage, security patterns, performance problems, and deprecated functions. No modify, delete, execute, or financial operations mentioned.
Documented attack patterns abuse exactly the kind of access wpcs_quality_check gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and WPCS MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for wpcs_quality_check:
{
"version": "1",
"default": "deny",
"tools": {
"wpcs_quality_check": {}
}
}wpcs_quality_check is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Advanced quality checks: hook usage, enqueue timing, security (SQL injection, XSS, SSRF, nonce mismatch, shell exec), performance (N+1 queries, unbounded queries, missing timeouts), accessibility, deprecated WP functions. Catches issues WPCS misses. It is categorised as a Read tool in the WPCS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the WPCS MCP Server MCP server in PolicyLayer and add a rule for wpcs_quality_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 WPCS MCP Server. Nothing to install.
wpcs_quality_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 wpcs_quality_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 wpcs_quality_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.
wpcs_quality_check is provided by the WPCS MCP Server MCP server (vapvarun/wpcs-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from WPCS MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
14 WPCS MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.