List water/spread/height curves used by plants for adaptive watering. Each plant can reference a water_curve_id, spread_curve_id, height_curve_id which defines values across the plant
AI agents call farmbot_list_curves to retrieve information from Farmbot Agent 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 configuration data (curve definitions) used by the FarmBot system. It performs a read-only query operation that does not modify, delete, or execute any hardware commands. The blast radius of misuse is minimal—an AI agent could only enumerate existing curve data, which poses no safety risk to the physical hardware or data integrity.
From the tool's definition Tool name contains 'list' and description states 'List water/spread/height curves' — a retrieval operation with no side effects. The tool queries existing curve data associated with plants.
Attacks that exploit this kind of access
List water/spread/height curves used by plants for adaptive watering. Each plant can reference a water_curve_id, spread_curve_id, height_curve_id which defines values across the plant. It is categorised as a Read tool in the Farmbot Agent MCP Server, which means it retrieves data without modifying state.
Register the Farmbot Agent MCP server in PolicyLayer and add a rule for farmbot_list_curves: 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 Farmbot Agent. Nothing to install.
farmbot_list_curves 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 farmbot_list_curves 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 farmbot_list_curves. 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.
farmbot_list_curves is provided by the Farmbot Agent MCP server (kieranklaassen/farmbot-agent-cli-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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