TRELLO_ADD_ORGANIZATIONS

Creates a new Trello organization (Workspace) with a displayName (required), and optionally a description, website, and various preferences (e.g., board visibility, member invitation restrictions).

SERVERTrello SOURCEmcp-server-trello

Medium RISK CLASS

Category Write

Parameters 120 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trello/trello-add-organizations.md

WHAT IT DOES

What TRELLO_ADD_ORGANIZATIONS does on Trello

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

Parameter	Type	Required	Description
`desc`	string	—	The description for the organization. Max length: 16384 characters.
`name`	string	—	The unique, URL-friendly programmatic name for the organization. Must be lowercase, start with a letter, and contain only lowercase letters, numbers, and unders
`website`	string	—	The URL of the organization's website. Must start with 'http://' or 'https://'. Can be null or an empty string if no website.
`displayName`	string	—	The human-readable name for the organization. Min length: 1 character. Cannot begin or end with a space. This field is required.
`prefs__permissionLevel`	string	—	The default permission level for new boards created within the organization. Allowed values: 'private' or 'public'.
`prefs__associatedDomain`	string	—	The Google Workspace (formerly G Suite) domain to associate with the organization. This enables features like restricting membership to users from this domain.
`prefs__googleAppsVersion`	string	—	The version of Google Workspace integration. Allowed values: '1' or '2'.
`prefs__orgInviteRestrict`	string	—	Specifies restrictions on who can be invited to the organization, e.g., a comma-separated list of email domains ('@example.com,@mycompany.com') or specific emai
`prefs__externalMembersDisabled`	string	—	Determines if external members (guests) are disabled for the organization. Set to 'true' to disable, 'false' to enable.
`prefs__boardVisibilityRestrict__org`	string	—	Controls creation of organization-visible boards. Allowed values: 'admin' (only admins can create), 'none' (cannot be created), 'org' (any member can create).
`prefs__boardVisibilityRestrict__public`	string	—	Controls creation of public boards. Allowed values: 'admin' (only admins can create), 'none' (cannot be created), 'org' (any member can create).
`prefs__boardVisibilityRestrict__private`	string	—	Controls creation of private boards. Allowed values: 'admin' (only admins can create), 'none' (cannot be created), 'org' (any member can create).

Parameters from the server's own tool schema.

RISK

Why TRELLO_ADD_ORGANIZATIONS is rated Medium

TRELLO_ADD_ORGANIZATIONS creates new organizations/workspaces with configurable properties. This is a reversible Write operation—organizations can be deleted or modified after creation. It is not Destructive (no deletion/overwrite), not Execute (no arbitrary code/command execution), and not Read (actively modifies state).

From the tool's definition Tool name contains 'ADD' and description states 'Creates a new Trello organization'; this is a creation operation that generates new persistent data structures.

Risk signalsHigh parameter count (12 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs TRELLO_ADD_ORGANIZATIONS safely

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

TRELLO_ADD_ORGANIZATIONS Rate-limited

TRELLO_ADD_ORGANIZATIONS 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": {
    "TRELLO_ADD_ORGANIZATIONS": {
      "limits": [
        {
          "counter": "trello_add_organizations_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 Trello, apply this rule, and every TRELLO_ADD_ORGANIZATIONS call is checked against it from then on.

FAQ

Questions about TRELLO_ADD_ORGANIZATIONS

What does the TRELLO_ADD_ORGANIZATIONS tool do? +

Creates a new Trello organization (Workspace) with a displayName (required), and optionally a description, website, and various preferences (e.g., board visibility, member invitation restrictions). It is categorised as a Write tool in the Trello MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does TRELLO_ADD_ORGANIZATIONS accept? +

TRELLO_ADD_ORGANIZATIONS accepts 12 parameters: desc, name, website, displayName, prefs__permissionLevel, prefs__associatedDomain, prefs__googleAppsVersion, prefs__orgInviteRestrict, prefs__externalMembersDisabled, prefs__boardVisibilityRestrict__org, prefs__boardVisibilityRestrict__public, prefs__boardVisibilityRestrict__private. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on TRELLO_ADD_ORGANIZATIONS? +

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

What risk level is TRELLO_ADD_ORGANIZATIONS? +

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

Can I rate-limit TRELLO_ADD_ORGANIZATIONS? +

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

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

TRELLO_ADD_ORGANIZATIONS is provided by the Trello MCP server (mcp-server-trello). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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