# set_chat_message_pinned

Idempotently pin or unpin a top-level message or thread reply located inside exactly one Huly channel or direct-message conversation. Provide

Agent View of the PolicyLayer registry record for `set_chat_message_pinned`. HTML page: https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/set-chat-message-pinned

## Facts

- Tool: `set_chat_message_pinned`
- Server: Huly (`@firfi/huly-mcp`) — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp.md
- Install: `npx -y @firfi/huly-mcp`
- Homepage: https://github.com/dearlordylord/huly-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

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

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

## Why set_chat_message_pinned is rated Medium

This tool creates or modifies message metadata (pin status) reversibly. Users can toggle pins on and off, and the idempotent nature confirms no data is destroyed. This is a Write-category operation—data is changed but can be undone by unpinning. It does not read arbitrary data (Read), execute external code (Execute), permanently delete data (Destructive), or move financial value (Financial).

From the tool's own definition: "Tool description states 'pin or unpin a top-level message' and is idempotent, indicating reversible modification of message state within a chat platform."

## Use case

AI agents use set_chat_message_pinned 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.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Huly:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_chat_message_pinned": {
      "limits": [
        {
          "counter": "set_chat_message_pinned_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on Huly (517)

- `cancel_approval_request` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/cancel-approval-request.md
- `cancel_execution` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/cancel-execution.md
- `delete_activity_reply` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-activity-reply.md
- `delete_association` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-association.md
- `delete_attachment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-attachment.md
- `delete_board_card` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-board-card.md
- `delete_board_label` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-board-label.md
- `delete_card` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-card.md
- `delete_card_comment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-card-comment.md
- `delete_channel` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-channel.md
- `delete_channel_message` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-channel-message.md
- `delete_chat_message_attachment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-chat-message-attachment.md
- `delete_class_collaborator_metadata` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-class-collaborator-metadata.md
- `delete_comment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-comment.md
- `delete_component` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-component.md
- `delete_dm_message` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-dm-message.md
- `delete_document` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-document.md
- `delete_drawing` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-drawing.md
- `delete_drive` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-drive.md
- `delete_drive_file_comment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-drive-file-comment.md
- `delete_drive_item` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-drive-item.md
- `delete_event` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-event.md
- `delete_huly_attribute` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-huly-attribute.md
- `delete_huly_enum` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-huly-enum.md
- `delete_huly_permission` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-huly-permission.md
- `delete_huly_sequence` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-huly-sequence.md
- `delete_inventory_category` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-inventory-category.md
- `delete_inventory_product` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-inventory-product.md
- `delete_inventory_product_attachment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-inventory-product-attachment.md
- `delete_inventory_product_comment` — Destructive — https://policylayer.com/tools/io-github-dearlordylord-huly-mcp/delete-inventory-product-comment.md
- …and 487 more: https://policylayer.com/tools/io-github-dearlordylord-huly-mcp.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=io-github-dearlordylord-huly-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/io-github-dearlordylord-huly-mcp