Search curated CODESYS guidance, allowlisted official CODESYS pages, and optional PDFs in the docs/pdfs folder. Use this first for concepts, syntax, library topics, workflows, and best practices.
AI agents call search_codesys_docs 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 is a documentation search tool that retrieves and queries existing CODESYS development resources. It has no capability to modify data, execute code, delete resources, or affect external systems. The blast radius of misuse is minimal—worst case, an AI agent retrieves irrelevant or misleading documentation, but no system state changes. This is a classic Read operation.
From the tool's definition Tool description: "Search curated CODESYS guidance, allowlisted official CODESYS pages, and optional PDFs".
Attacks that exploit this kind of access
Search curated CODESYS guidance, allowlisted official CODESYS pages, and optional PDFs in the docs/pdfs folder. Use this first for concepts, syntax, library topics, workflows, and best practices. 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 search_codesys_docs: 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.
search_codesys_docs 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 search_codesys_docs 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 search_codesys_docs. 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.
search_codesys_docs 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.
Every MCP server has a record like this.
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