AI agents call get_tags to retrieve information from Bear Notes MCP Server with RAG without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata (tags) from Bear Notes without side effects. It is a read-only operation that simply lists or fetches existing tags, causing no modification, deletion, or execution of code. The low severity reflects minimal risk even if misused by an AI agent, as it only exposes a list of organizational metadata.
From the tool's definition Tool name 'get_tags' and description 'Get all tags used in Bear Notes' indicate a retrieval operation that queries metadata without modifying data.
Documented attack patterns abuse exactly the kind of access get_tags gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Bear Notes MCP Server with RAG, and nothing reaches the server without passing your rules. This is the rule we recommend for get_tags:
{
"version": "1",
"default": "deny",
"tools": {
"get_tags": {}
}
}get_tags is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get all tags used in Bear Notes. It is categorised as a Read tool in the Bear Notes MCP Server with RAG MCP Server, which means it retrieves data without modifying state.
Register the Bear Notes MCP Server with RAG MCP server in PolicyLayer and add a rule for get_tags: 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 Bear Notes MCP Server with RAG. Nothing to install.
get_tags 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 get_tags 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 get_tags. 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.
get_tags is provided by the Bear Notes MCP Server with RAG MCP server (ruanodendaal/bear-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Bear Notes MCP Server with RAG, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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4 Bear Notes MCP Server with RAG tools catalogued and risk-classified — across an index of 43,000+ MCP servers.