Parse Chef cookbook metadata.rb file and return as dictionary.
AI agents call parse_cookbook_metadata to retrieve information from SousChef without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool reads and parses a metadata file, returning its contents as a data structure. This is a pure read operation with no side effects, modifications, or destructive actions.
From the tool's definition Parse Chef cookbook metadata.rb file and return as dictionary
Documented attack patterns abuse exactly the kind of access parse_cookbook_metadata gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and SousChef, and nothing reaches the server without passing your rules. This is the rule we recommend for parse_cookbook_metadata:
{
"version": "1",
"default": "deny",
"tools": {
"parse_cookbook_metadata": {}
}
}parse_cookbook_metadata is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Parse Chef cookbook metadata.rb file and return as dictionary. It is categorised as a Read tool in the SousChef MCP Server, which means it retrieves data without modifying state.
Register the SousChef MCP server in PolicyLayer and add a rule for parse_cookbook_metadata: 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 SousChef. Nothing to install.
parse_cookbook_metadata 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 parse_cookbook_metadata 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 parse_cookbook_metadata. 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.
parse_cookbook_metadata is provided by the SousChef MCP server (kpeacocke/souschef). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from SousChef, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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96 SousChef tools catalogued and risk-classified — across an index of 43,000+ MCP servers.