AI agents call get_story_by_slug to retrieve information from Storyblok MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves data (a story record) based on a slug parameter. This is a read-only operation with no side effects—it does not create, modify, delete, or execute code. The 'get_' prefix is characteristic of Read category tools. Even though the description is empty, the tool name provides sufficient evidence of its purpose as a retrieval operation.
From the tool's definition Tool name 'get_story_by_slug' indicates retrieval of a story by its identifier. No description provided, but the naming pattern and context within a CMS server (Storyblok) strongly suggests a query/fetch operation that retrieves existing content without…
Documented attack patterns abuse exactly the kind of access get_story_by_slug gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Storyblok MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_story_by_slug:
{
"version": "1",
"default": "deny",
"tools": {
"get_story_by_slug": {}
}
} get_story_by_slug is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_story_by_slug. It is categorised as a Read tool in the Storyblok MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Storyblok MCP Server MCP server in PolicyLayer and add a rule for get_story_by_slug: 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 Storyblok MCP Server. Nothing to install.
get_story_by_slug 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_story_by_slug 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_story_by_slug. 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_story_by_slug is provided by the Storyblok MCP Server MCP server (arjuncodess/storyblok-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Storyblok 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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115 Storyblok MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.