# list_cards

Get all cards in a Trello list.

Agent View of the PolicyLayer registry record for `list_cards`. HTML page: https://policylayer.com/tools/abdwyer-trellomcp/list-cards

## Facts

- Tool: `list_cards`
- Server: Trello MCP Server (`abdwyer/trellomcp`) — https://policylayer.com/tools/abdwyer-trellomcp.md
- Homepage: https://github.com/abdwyer/TrelloMCP
- Risk category: Read (Low risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "list_cards",
    "arguments": {}
  }
}
```

## Why list_cards is rated Low

This tool retrieves and queries card data from a Trello list without creating, modifying, deleting, or executing any operations. It has no side effects and presents minimal risk even if called by an AI agent with arbitrary parameters.

From the tool's own definition: "Tool name is 'list_cards' and description states 'Get all cards in a Trello list.' The verb 'Get' and 'list' indicate a retrieval operation with no modification of data."

## Use case

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

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Trello MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_cards": {}
  }
}
```

## Other tools on Trello MCP Server (40)

- `delete_attachment` — Destructive — https://policylayer.com/tools/abdwyer-trellomcp/delete-attachment.md
- `delete_card` — Destructive — https://policylayer.com/tools/abdwyer-trellomcp/delete-card.md
- `delete_checklist` — Destructive — https://policylayer.com/tools/abdwyer-trellomcp/delete-checklist.md
- `delete_checklist_item` — Destructive — https://policylayer.com/tools/abdwyer-trellomcp/delete-checklist-item.md
- `delete_label` — Destructive — https://policylayer.com/tools/abdwyer-trellomcp/delete-label.md
- `download_attachment` — Read — https://policylayer.com/tools/abdwyer-trellomcp/download-attachment.md
- `get_attachment` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-attachment.md
- `get_board` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-board.md
- `get_board_labels` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-board-labels.md
- `get_board_lists` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-board-lists.md
- `get_card` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-card.md
- `get_card_attachments` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-card-attachments.md
- `get_card_checklists` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-card-checklists.md
- `get_card_labels` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-card-labels.md
- `get_checklist` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-checklist.md
- `get_checklist_items` — Read — https://policylayer.com/tools/abdwyer-trellomcp/get-checklist-items.md
- `list_boards` — Read — https://policylayer.com/tools/abdwyer-trellomcp/list-boards.md
- `add_attachment_file` — Write — https://policylayer.com/tools/abdwyer-trellomcp/add-attachment-file.md
- `add_attachment_url` — Write — https://policylayer.com/tools/abdwyer-trellomcp/add-attachment-url.md
- `add_checklist_item` — Write — https://policylayer.com/tools/abdwyer-trellomcp/add-checklist-item.md
- `add_checklist_items` — Write — https://policylayer.com/tools/abdwyer-trellomcp/add-checklist-items.md
- `add_label_to_card` — Write — https://policylayer.com/tools/abdwyer-trellomcp/add-label-to-card.md
- `archive_list` — Write — https://policylayer.com/tools/abdwyer-trellomcp/archive-list.md
- `clear_card_due_date` — Write — https://policylayer.com/tools/abdwyer-trellomcp/clear-card-due-date.md
- `create_board` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-board.md
- `create_card` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-card.md
- `create_cards` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-cards.md
- `create_checklist` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-checklist.md
- `create_checklist_with_items` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-checklist-with-items.md
- `create_label` — Write — https://policylayer.com/tools/abdwyer-trellomcp/create-label.md
- …and 10 more: https://policylayer.com/tools/abdwyer-trellomcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=abdwyer-trellomcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/abdwyer-trellomcp