TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP

Retrieves a specific membership on a Trello board by its ID, optionally including member details.

SERVERTrello SOURCEmcp-server-trello

Low RISK CLASS

Category Read

Parameters 40 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/trello/trello-get-boards-memberships-by-id-board-by-id-membership.md

WHAT IT DOES

What TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP does on Trello

AI agents call TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP to retrieve information from Trello without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`member`	string	—	Set to 'true' to return the full member object. If 'false' or not provided, Trello's default for member details (typically minimal) applies.
`idBoard`	string	—	The ID of the Trello board.
`idMembership`	string	—	The ID of the membership to retrieve.
`member_fields`	string	—	Comma-separated list of member fields to return if 'member' is 'true' (e.g., avatarHash,fullName), or 'all'. Valid fields: avatarHash, bio, bioData, confirmed,

Parameters from the server's own tool schema.

RISK

Why TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP is rated Low

This tool retrieves board membership data by ID. It is a read operation with no side effects. The blast radius of misuse is minimal—an agent could only access membership details already available through normal Trello operations, without modifying board state or triggering financial/destructive actions.

From the tool's definition Tool name contains GET and description states "Retrieves a specific membership". The operation is read-only: it fetches membership information without modifying, deleting, or executing any operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP Allowed

TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Trello, apply this rule, and every TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP call is checked against it from then on.

FAQ

Questions about TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP

What does the TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP tool do? +

Retrieves a specific membership on a Trello board by its ID, optionally including member details. It is categorised as a Read tool in the Trello MCP Server, which means it retrieves data without modifying state.

What parameters does TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP accept? +

TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP accepts 4 parameters: member, idBoard, idMembership, member_fields. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP? +

Register the Trello MCP server in PolicyLayer and add a rule for TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP: 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_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP? +

TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP? +

Yes. Add a rate_limit block to the TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP 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_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP completely? +

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

TRELLO_GET_BOARDS_MEMBERSHIPS_BY_ID_BOARD_BY_ID_MEMBERSHIP 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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