ocr_image_base64
AI agents call ocr_image_base64 to retrieve information from EasyOCR 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 and processes visual data to extract text information without creating side effects. It is a read-only operation that queries image content and returns results. The empty description slightly reduces confidence, but the function name and server context make the purpose clear.
From the tool's definition Tool name 'ocr_image_base64' processes image input and extracts text using OCR. The server description indicates it 'enables processing images...with options for text-only or detailed coordinate and confidence output.' No modification, deletion, execution of…
Attacks that exploit this kind of access
ocr_image_base64. It is categorised as a Read tool in the EasyOCR MCP Server MCP Server, which means it retrieves data without modifying state.
Register the EasyOCR MCP Server MCP server in PolicyLayer and add a rule for ocr_image_base64: 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 EasyOCR MCP Server. Nothing to install.
ocr_image_base64 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 ocr_image_base64 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 ocr_image_base64. 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.
ocr_image_base64 is provided by the EasyOCR MCP Server MCP server (windoc/easyocr-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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