update_space

Update safe common metadata on an existing Huly space: name, description, private, archived, and autoJoin. Does not create/delete spaces or mutate module-specific required fields.

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/update-space.md

WHAT IT DOES

What update_space does on Huly

AI agents use update_space 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 update_space is rated Medium

This tool modifies existing space metadata (name, description, access controls, archive status, join settings) but explicitly excludes destructive operations (does not create/delete spaces or mutate required fields). The changes are reversible, placing it in Write rather than Destructive.

From the tool's definition Tool description states it "Update[s]... an existing Huly space: name, description, private, archived, and autoJoin" — these are metadata modifications that are reversible and do not delete data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

update_space Rate-limited

update_space 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_space": {
      "limits": [
        {
          "counter": "update_space_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 update_space call is checked against it from then on.

FAQ

Questions about update_space

What does the update_space tool do? +

Update safe common metadata on an existing Huly space: name, description, private, archived, and autoJoin. Does not create/delete spaces or mutate module-specific required fields. 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 update_space? +

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

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

Can I rate-limit update_space? +

Yes. Add a rate_limit block to the update_space 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_space completely? +

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

update_space 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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