update_node

Update a node\

SERVERFlowDot MCP Server SOURCEflowdot-llc/mcp-server

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/flowdot-llc-mcp-server/update-node.md

WHAT IT DOES

What update_node does on FlowDot MCP Server

AI agents use update_node to create or update resources in FlowDot MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FlowDot MCP Server environment.

RISK

Why update_node is rated Medium

The tool modifies existing data (nodes) within the FlowDot workflow system reversibly. This is a Write operation—nodes can be updated and their previous state potentially recovered or changed again. It does not delete data (Destructive), execute arbitrary code (Execute), or involve financial transactions (Financial).

From the tool's definition Tool name 'update_node' with description 'Update a node' indicates modification of existing workflow/custom node data within the FlowDot platform.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_node safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FlowDot MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_node, this is the rule to start with:

update_node Rate-limited

update_node 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": {
    "update_node": {
      "limits": [
        {
          "counter": "update_node_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FlowDot MCP Server, apply this rule, and every update_node call is checked against it from then on.

FAQ

Questions about update_node

What does the update_node tool do? +

Update a node\. It is categorised as a Write tool in the FlowDot MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_node? +

Register the FlowDot MCP Server MCP server in PolicyLayer and add a rule for update_node: 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 FlowDot MCP Server. Nothing to install.

What risk level is update_node? +

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

Can I rate-limit update_node? +

Yes. Add a rate_limit block to the update_node 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 update_node completely? +

Set action: deny in the PolicyLayer policy for update_node. 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 update_node? +

update_node is provided by the FlowDot MCP Server MCP server (flowdot-llc/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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