AI agents call get-document to retrieve information from Ravendb without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves an existing document from the RavenDB database by its unique identifier. Retrieval operations are non-destructive and do not modify, create, or delete data. The action is deterministic and safe, with minimal blast radius if misused by an AI agent—at worst, it could expose sensitive data already in the database, but cannot alter or remove it.
From the tool's definition Tool name 'get-document' and description 'Retrieve a document by ID' indicate a read-only operation with no data modification or side effects.
Attacks that exploit this kind of access
Retrieve a document by ID. It is categorised as a Read tool in the Ravendb MCP Server, which means it retrieves data without modifying state.
Register the Ravendb MCP server in PolicyLayer and add a rule for get-document: 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 Ravendb. Nothing to install.
get-document 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-document 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-document. 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-document is provided by the Ravendb MCP server (johnib/ravendb-mcp). 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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