Reranks a list of documents based on a query.
AI agents call rerank to retrieve information from Jina AI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Reranking is a retrieval/scoring operation that examines and orders existing documents according to relevance. It retrieves and returns data in a new order but does not create, modify, delete, or execute code. This is a read-only operation with no destructive or side-effect capability.
From the tool's definition Tool 'reranks a list of documents based on a query' — it performs ranking/scoring operations on provided input without modifying, deleting, or executing external operations. No side effects beyond returning a reordered result set.
Attacks that exploit this kind of access
Reranks a list of documents based on a query. It is categorised as a Read tool in the Jina AI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Jina AI MCP Server MCP server in PolicyLayer and add a rule for rerank: 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 Jina AI MCP Server. Nothing to install.
rerank 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 rerank 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 rerank. 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.
rerank is provided by the Jina AI MCP Server MCP server (zk-armor/mcp-jina-ai). 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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