create_association

Create a new Huly Association between two document classes. Idempotent: returns existing association if one already exists with the same (classA, classB, nameA, nameB) tuple.

SERVERHuly SOURCEdugynoo/huly-mcp

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/dugynoo-huly-mcp/create-association.md

WHAT IT DOES

What create_association does on Huly

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

RISK

Why create_association is rated Medium

This tool creates new associations/relationships between document classes in a project management system. It is reversible (associations can be removed/modified) and has no permanent data deletion or financial impact. While it modifies system structure, the idempotent nature and use context (project management associations) classify it as Write rather than Execute.

From the tool's definition Tool description states "Create a new Huly Association between two document classes" and is explicitly idempotent, meaning it creates or returns existing associations without destructive behavior.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_association safely

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

create_association Rate-limited

create_association 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_association": {
      "limits": [
        {
          "counter": "create_association_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 Huly, apply this rule, and every create_association call is checked against it from then on.

FAQ

Questions about create_association

What does the create_association tool do? +

Create a new Huly Association between two document classes. Idempotent: returns existing association if one already exists with the same (classA, classB, nameA, nameB) tuple. It is categorised as a Write tool in the Huly 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_association? +

Register the Huly MCP server in PolicyLayer and add a rule for create_association: 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 Huly. Nothing to install.

What risk level is create_association? +

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

Can I rate-limit create_association? +

Yes. Add a rate_limit block to the create_association 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_association completely? +

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

create_association is provided by the Huly MCP server (dugynoo/huly-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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