create_space_role

SERVERHuly SOURCE@firfi/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/io-github-dearlordylord-huly-mcp/create-space-role.md

WHAT IT DOES

What create_space_role does on Huly

AI agents use create_space_role 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_space_role is rated Medium

This is a Write operation because it creates new roles and permission assignments in the workspace. Severity is high because role creation directly impacts access control and authorization across the Huly system. An AI agent misusing this could create overprivileged roles or assign inappropriate permissions to users, affecting workspace security.

From the tool's definition Tool description explicitly states 'The call creates both the attached Role and required typed-space assignment attribute', confirming data creation. Key phrases: 'Create a Huly role definition', 'creates', 'write fails'.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_space_role 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_space_role, this is the rule to start with:

create_space_role Rate-limited

create_space_role 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_space_role": {
      "limits": [
        {
          "counter": "create_space_role_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_space_role call is checked against it from then on.

FAQ

Questions about create_space_role

What does the create_space_role tool do? +

Create a Huly role definition using a SpaceType ID or exact name and permission ID or exact label values. The call creates both the attached Role and required typed-space assignment attribute, compensating if the second write fails. Workspace-scoped permissions are restricted to the stable all-spaces SpaceType. Existing exact role names are idempotent only when permission sets match. ${SECURITY_WRITE_GUARD}. 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_space_role? +

Register the Huly MCP server in PolicyLayer and add a rule for create_space_role: 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_space_role? +

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

Can I rate-limit create_space_role? +

Yes. Add a rate_limit block to the create_space_role 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_space_role completely? +

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

create_space_role is provided by the Huly MCP server (@firfi/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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