AI agents call get_script to retrieve information from Ignition without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and displays existing script source code without executing it, modifying it, or causing any side effects. It is a read-only operation equivalent to viewing a file. While source code exposure could inform potential attacks, the tool itself performs no destructive, financial, or executable actions.
From the tool's definition Tool name is 'get_script' and description states 'Get the source code of an Ignition project script' — a retrieval operation with no modification or execution.
Attacks that exploit this kind of access
Get the source code of an Ignition project script. It is categorised as a Read tool in the Ignition MCP Server, which means it retrieves data without modifying state.
Register the Ignition MCP server in PolicyLayer and add a rule for get_script: 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 Ignition. Nothing to install.
get_script 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_script 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_script. 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_script is provided by the Ignition MCP server (nodeblue-ai/ignition-mcp-server). 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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