farmbot_patch_web_app_config · Farmbot Agent MCP

WHAT IT DOES

What farmbot_patch_web_app_config does on Farmbot Agent

AI agents use farmbot_patch_web_app_config to create or update resources in Farmbot Agent — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Farmbot Agent environment.

WHY IT NEEDS A POLICY

Why farmbot_patch_web_app_config needs a policy

This tool modifies application configuration, which is a reversible write operation. Web app configs control system behavior and settings; misconfiguration could cause operational disruption or unintended automation behavior in FarmBot hardware control (affecting irrigation, seeding, movement, etc.).

From the tool's definition Update web app config values. Pass only the keys you want to change in — tool explicitly performs config modification (Write category). The incomplete description limits full understanding, but 'Update' indicates reversible state change.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

farmbot_patch_web_app_config Rate-limited

farmbot_patch_web_app_config stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "farmbot_patch_web_app_config": {
      "limits": [
        {
          "counter": "farmbot_patch_web_app_config_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Farmbot Agent, so you can run agents against it safely.

FAQ

Questions about farmbot_patch_web_app_config

What does the farmbot_patch_web_app_config tool do? +

Update web app config values. Pass only the keys you want to change in. It is categorised as a Write tool in the Farmbot Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on farmbot_patch_web_app_config? +

Register the Farmbot Agent MCP server in PolicyLayer and add a rule for farmbot_patch_web_app_config: 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.

What risk level is farmbot_patch_web_app_config? +

farmbot_patch_web_app_config is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit farmbot_patch_web_app_config? +

Yes. Add a rate_limit block to the farmbot_patch_web_app_config 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.

How do I block farmbot_patch_web_app_config completely? +

Set action: deny in the PolicyLayer policy for farmbot_patch_web_app_config. 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.

What MCP server provides farmbot_patch_web_app_config? +

farmbot_patch_web_app_config 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.