AI agents call get_tags to retrieve information from Mcp Sling 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) used for organization within the Sling platform. It performs a simple data query with no side effects, no code execution, no destructive operations, and no financial implications. The blast radius of misuse is minimal—an AI agent querying available tags cannot cause harm to shifts, users, or financial systems.
From the tool's definition Tool name 'get_tags' and description 'Get list of available tags' indicate a retrieval operation with no modification or execution of external operations.
Attacks that exploit this kind of access
Get list of available tags. Tags are used to categorize and organize shifts, users, etc. It is categorised as a Read tool in the Mcp Sling MCP Server, which means it retrieves data without modifying state.
Register the Mcp Sling 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 Mcp Sling. 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 Mcp Sling MCP server (poncheck/mcp-sling). 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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