Get search suggestions from SearXNG.
AI agents call searxng_suggestions to retrieve information from MCP Developer Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves search suggestions from SearXNG, which is a passive data lookup operation with no side effects, no code execution, and no data modification. It falls squarely into the Read category. Severity is low because search suggestions pose minimal risk—they are informational only and do not facilitate harmful operations by themselves.
From the tool's definition Tool name 'searxng_suggestions' and description 'Get search suggestions from SearXNG' indicate a read-only query operation that retrieves search suggestions without modifying data or executing external commands.
Attacks that exploit this kind of access
Get search suggestions from SearXNG. It is categorised as a Read tool in the MCP Developer Server MCP Server, which means it retrieves data without modifying state.
Register the MCP Developer Server MCP server in PolicyLayer and add a rule for searxng_suggestions: 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 MCP Developer Server. Nothing to install.
searxng_suggestions 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 searxng_suggestions 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 searxng_suggestions. 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.
searxng_suggestions is provided by the MCP Developer Server MCP server (ra86-dev/mcpdev-server). 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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