create_vendor · NGS360 MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_vendor does on NGS360 MCP Server

AI agents use create_vendor to create or update resources in NGS360 MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your NGS360 MCP Server environment.

WHY IT NEEDS A POLICY

Why create_vendor needs a policy

This tool creates a new vendor record in the NGS360 bioinformatics platform, which is a reversible data modification (Write category). The severity is medium because vendor creation could affect procurement workflows, ordering, and billing processes. While not directly financial, misconfiguration could impact downstream operations.

From the tool's definition Tool name 'create_vendor' indicates creation of a new vendor record. Description states 'Create a new vendor.' This is a write operation that adds a new entity to the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_vendor Rate-limited

create_vendor 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": {
    "create_vendor": {
      "limits": [
        {
          "counter": "create_vendor_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 NGS360 MCP Server, so you can run agents against it safely.

FAQ

Questions about create_vendor

What does the create_vendor tool do? +

Create a new vendor. It is categorised as a Write tool in the NGS360 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 create_vendor? +

Register the NGS360 MCP Server MCP server in PolicyLayer and add a rule for create_vendor: 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 NGS360 MCP Server. Nothing to install.

What risk level is create_vendor? +

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

Can I rate-limit create_vendor? +

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

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

create_vendor is provided by the NGS360 MCP Server MCP server (ngs360/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.