get a list of references of commentaries for a jewish text
AI agents call get_commentaries to retrieve information from Sefaria Jewish Library MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists commentary references from the Sefaria library without modifying, executing, or destructively operating on any data. It is a straightforward read operation that returns metadata about available commentaries. The blast radius of misuse is minimal—an agent could at worst retrieve excessive data or make many requests, but cannot alter library contents, execute code, or cause financial harm.
From the tool's definition Tool description states 'get a list of references of commentaries' - a retrieval operation with no modification, deletion, or execution capability. The verb 'get' indicates query-only behavior.
Documented attack patterns abuse exactly the kind of access get_commentaries gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sefaria Jewish Library MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for get_commentaries:
{
"version": "1",
"default": "deny",
"tools": {
"get_commentaries": {}
}
}get_commentaries is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get a list of references of commentaries for a jewish text. It is categorised as a Read tool in the Sefaria Jewish Library MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sefaria Jewish Library MCP Server MCP server in PolicyLayer and add a rule for get_commentaries: 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 Sefaria Jewish Library MCP Server. Nothing to install.
get_commentaries 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_commentaries 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_commentaries. 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_commentaries is provided by the Sefaria Jewish Library MCP Server MCP server (sivan22/mcp-sefaria-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 4 Sefaria Jewish Library MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
4 Sefaria Jewish Library MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.