从PDF文件中提取文本内容（支持OCR）
AI agents call ocr_to_text to retrieve information from Financial Report Generator MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool reads and extracts text from existing PDF documents. OCR (Optical Character Recognition) is a data extraction mechanism that does not modify, delete, execute code, or perform financial transactions. It is purely a read operation that retrieves information from files, making it the least severe category.
From the tool's definition Tool name 'ocr_to_text' and description indicate it 'extracts text content from PDF files (supports OCR)' - a retrieval operation with no side effects.
Attacks that exploit this kind of access
从PDF文件中提取文本内容（支持OCR）. It is categorised as a Read tool in the Financial Report Generator MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Report Generator MCP Server MCP server in PolicyLayer and add a rule for ocr_to_text: 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 Financial Report Generator MCP Server. Nothing to install.
ocr_to_text 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_to_text 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_to_text. 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_to_text is provided by the Financial Report Generator MCP Server MCP server (kennanyang/financial-report). 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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