graph_upsert · Ultimate MCP Coding Platform MCP

WHAT IT DOES

What graph_upsert does on Ultimate MCP Coding Platform

AI agents use graph_upsert to create or update resources in Ultimate MCP Coding Platform — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ultimate MCP Coding Platform environment.

WHY IT NEEDS A POLICY

Why graph_upsert needs a policy

The tool performs create and update operations on graph data structures, which are characteristic of Write category tools. These operations are reversible (nodes/relationships can be modified or deleted later), so it does not qualify as Destructive.

From the tool's definition Tool name 'graph_upsert' and description 'Create or update graph nodes and relationships' indicate reversible modification of graph database entities (Neo4j persistence mentioned in server description).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

graph_upsert Rate-limited

graph_upsert 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": {
    "graph_upsert": {
      "limits": [
        {
          "counter": "graph_upsert_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 Ultimate MCP Coding Platform, so you can run agents against it safely.

FAQ

Questions about graph_upsert

What does the graph_upsert tool do? +

Create or update graph nodes and relationships. It is categorised as a Write tool in the Ultimate MCP Coding Platform MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on graph_upsert? +

Register the Ultimate MCP Coding Platform MCP server in PolicyLayer and add a rule for graph_upsert: 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 Ultimate MCP Coding Platform. Nothing to install.

What risk level is graph_upsert? +

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

Can I rate-limit graph_upsert? +

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

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

graph_upsert is provided by the Ultimate MCP Coding Platform MCP server (senpai-sama7/ultimate_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.