AI agents use wordpress_assign_role to create or update resources in WordPress MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your WordPress MCP Server environment.
Assigning roles modifies user capabilities and access permissions, which is a reversible Write action. However, role assignment is a sensitive operation that can grant administrative access and significantly impact site security, warranting high severity.
From the tool's definition Tool name 'wordpress_assign_role' indicates modification of user roles, a reversible permission assignment operation. Description is empty, lowering confidence slightly.
Documented attack patterns abuse exactly the kind of access wordpress_assign_role gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and WordPress MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for wordpress_assign_role:
{
"version": "1",
"default": "deny",
"tools": {
"wordpress_assign_role": {
"limits": [
{
"counter": "wordpress_assign_role_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}wordpress_assign_role 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.
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wordpress_assign_role. It is categorised as a Write tool in the WordPress MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the WordPress MCP Server MCP server in PolicyLayer and add a rule for wordpress_assign_role: 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 WordPress MCP Server. Nothing to install.
wordpress_assign_role is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the wordpress_assign_role 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 wordpress_assign_role. 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.
wordpress_assign_role is provided by the WordPress MCP Server MCP server (raheesahmed/wordpress-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 190 WordPress MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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190 WordPress MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.