vision.acquire.extract
Safely extract bounded ZIP/TAR archives without links or traversal.
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What vision.acquire.extract does on Visionmcp
AI agents call vision.acquire.extract 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.acquire.extract is rated Low
The tool extracts (reads) compressed archive contents with explicit security boundaries ('bounded', 'without links or traversal'). It does not create permanent data structures, delete files, execute code, or move money. The primary function is decompressing and retrieving archive data, making it a Read operation.
From the tool's definition Tool description: 'Safely extract bounded ZIP/TAR archives without links or traversal.' The verb 'extract' paired with 'Safely' and explicit mention of mitigating traversal attacks indicates this is a data retrieval operation that reads archive contents into…
Attacks that exploit this kind of access
The rule that runs vision.acquire.extract 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.acquire.extract, this is the rule to start with:
vision.acquire.extract 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.acquire.extract call is checked against it from then on.
Questions about vision.acquire.extract
Safely extract bounded ZIP/TAR archives without links or traversal. 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.acquire.extract: 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.acquire.extract 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.acquire.extract 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.acquire.extract. 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.acquire.extract 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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