vision.render.cache_info
Show the cache identity for render requests.
This record as markdown: /tools/visionmcp/vision.render.cache-info.md
What vision.render.cache_info does on Visionmcp
AI agents call vision.render.cache_info to retrieve information from Visionmcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why vision.render.cache_info is rated Low
This tool queries and displays cache information about render requests. It performs a read-only operation with no side effects, data modification, or external state changes. The low severity reflects minimal impact if misused—an agent could only view cache metadata, not alter systems or data.
From the tool's definition Tool name includes 'cache_info' and description states 'Show the cache identity', indicating retrieval of cache metadata without modification.
Attacks that exploit this kind of access
The rule that runs vision.render.cache_info safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Visionmcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For vision.render.cache_info, this is the rule to start with:
vision.render.cache_info is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Visionmcp, apply this rule, and every vision.render.cache_info call is checked against it from then on.
Questions about vision.render.cache_info
Show the cache identity for render requests. It is categorised as a Read tool in the Visionmcp MCP Server, which means it retrieves data without modifying state.
Register the Vision MCP server in PolicyLayer and add a rule for vision.render.cache_info: 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 Visionmcp. Nothing to install.
vision.render.cache_info 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 vision.render.cache_info 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 vision.render.cache_info. 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.
vision.render.cache_info is provided by the Vision MCP server (joshuahickscorp/visionmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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