AI agents call wp_get_relationships to retrieve information from WP Database MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The server is explicitly read-only and designed for safe schema inspection and querying. All sibling tools are Get/Describe operations that retrieve WordPress relationships and metadata. Despite the empty tool description, the server's design principles and peer tools indicate this retrieves relationship mappings without side effects.
From the tool's definition Server is explicitly 'Read-only MCP server' with 'safe SQL querying'. Tool name 'wp_get_relationships' follows sibling naming patterns (wp_get_*) that all retrieve data without modification.
Documented attack patterns abuse exactly the kind of access wp_get_relationships gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and WP Database MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for wp_get_relationships:
{
"version": "1",
"default": "deny",
"tools": {
"wp_get_relationships": {}
}
}wp_get_relationships is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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wp_get_relationships. It is categorised as a Read tool in the WP Database MCP Server MCP Server, which means it retrieves data without modifying state.
Register the WP Database MCP Server MCP server in PolicyLayer and add a rule for wp_get_relationships: 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 WP Database MCP Server. Nothing to install.
wp_get_relationships 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 wp_get_relationships 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 wp_get_relationships. 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.
wp_get_relationships is provided by the WP Database MCP Server MCP server (s3rgiosan/wp-db-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from WP Database MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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21 WP Database MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.