scan_receipt_vision
Reads an uploaded receipt image from disk so you can use your vision capabilities to analyze it. You MUST call this to see the receipt!
This record as markdown: /tools/nitrostack/scan-receipt-vision.md
What scan_receipt_vision does on Nitrostack
AI agents call scan_receipt_vision to retrieve information from Nitrostack without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why scan_receipt_vision is rated Low
Tool retrieves data for analysis with no modifications or side effects.
From the tool's definition Reads an uploaded receipt image from disk for vision analysis.
Attacks that exploit this kind of access
The rule that runs scan_receipt_vision safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Nitrostack, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For scan_receipt_vision, this is the rule to start with:
scan_receipt_vision 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 Nitrostack, apply this rule, and every scan_receipt_vision call is checked against it from then on.
Questions about scan_receipt_vision
Reads an uploaded receipt image from disk so you can use your vision capabilities to analyze it. You MUST call this to see the receipt!. It is categorised as a Read tool in the Nitrostack MCP Server, which means it retrieves data without modifying state.
Register the Nitrostack MCP server in PolicyLayer and add a rule for scan_receipt_vision: 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 Nitrostack. Nothing to install.
scan_receipt_vision 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 scan_receipt_vision 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 scan_receipt_vision. 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.
scan_receipt_vision is provided by the Nitrostack MCP server (nitrocloudofficial/nitrostack). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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