Get a single Sanity document by its ID
AI agents call sanity_get_document to retrieve information from Sanity 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 data from Sanity CMS by document ID and performs no modifications, creation, deletion, or execution of external operations. It is a straightforward read operation with minimal risk if misused by an AI agent—worst case, it exposes data the agent is already authorized to access.
From the tool's definition Tool name 'sanity_get_document' and description 'Get a single Sanity document by its ID' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Get a single Sanity document by its ID. It is categorised as a Read tool in the Sanity MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sanity MCP Server MCP server in PolicyLayer and add a rule for sanity_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 Sanity MCP Server. Nothing to install.
sanity_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 sanity_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 sanity_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.
sanity_get_document is provided by the Sanity MCP Server MCP server (purple-horizons/sanity-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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