Return extracted text from one PDF in the configured docs/pdfs folder. Use list_codesys_pdfs first if you do not know the file name.
AI agents call get_codesys_pdf to retrieve information from CODESYS MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read operation by extracting and returning text content from local PDF files in a configured folder. It has no ability to modify, execute, or delete data. The operation is non-destructive and poses minimal security risk if an AI agent misuses it—worst case, it retrieves documentation content that is presumably intended to be accessible. No side effects or irreversible actions are possible.
From the tool's definition Tool description states it 'Return[s] extracted text from one PDF' - a retrieval operation with no modification capability. The phrase 'extracted text' and the instruction to use list_codesys_pdfs first indicates read-only access to stored documentation.
Attacks that exploit this kind of access
Return extracted text from one PDF in the configured docs/pdfs folder. Use list_codesys_pdfs first if you do not know the file name. It is categorised as a Read tool in the CODESYS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the CODESYS MCP Server MCP server in PolicyLayer and add a rule for get_codesys_pdf: 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 CODESYS MCP Server. Nothing to install.
get_codesys_pdf 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 get_codesys_pdf 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 get_codesys_pdf. 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.
get_codesys_pdf is provided by the CODESYS MCP Server MCP server (zandiexoder/codesys-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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