# clickup_set_custom_field_value A write tool on the Clickup MCP server. Agent View of the PolicyLayer registry record for `clickup_set_custom_field_value`. HTML page: https://policylayer.com/tools/clickup-mcp/clickup-set-custom-field-value ## Facts - Tool: `clickup_set_custom_field_value` - Server: Clickup (`trustxai/clickup-mcp`) — https://policylayer.com/tools/clickup-mcp.md - Homepage: https://github.com/trustxai/clickup-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": "clickup_set_custom_field_value", "arguments": {} } } ``` ## Why clickup_set_custom_field_value is rated Medium This tool creates or modifies custom field values in ClickUp, which is a reversible write operation. It does not delete data (Destructive), execute arbitrary code (Execute), involve financial transactions (Financial), or merely read data (Read). The 'set' action is characteristic of Write category tools. From the tool's own definition: "Tool name 'clickup_set_custom_field_value' indicates modification of custom field data on ClickUp tasks or items. The verb 'set' denotes a write operation that updates existing data. Description is empty, which reduces confidence slightly." ## Use case AI agents use clickup_set_custom_field_value to create or update resources in Clickup, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Clickup environment. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Clickup: ```json { "version": "1", "default": "deny", "tools": { "clickup_set_custom_field_value": { "limits": [ { "counter": "clickup_set_custom_field_value_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on Clickup (165) - `clickup_delete_chat_channel` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-chat-channel.md - `clickup_delete_chat_message` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-chat-message.md - `clickup_delete_chat_reaction` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-chat-reaction.md - `clickup_delete_checklist` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-checklist.md - `clickup_delete_checklist_item` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-checklist-item.md - `clickup_delete_comment` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-comment.md - `clickup_delete_dependency` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-dependency.md - `clickup_delete_folder` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-folder.md - `clickup_delete_goal` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-goal.md - `clickup_delete_key_result` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-key-result.md - `clickup_delete_list` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-list.md - `clickup_delete_space` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-space.md - `clickup_delete_space_tag` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-space-tag.md - `clickup_delete_task` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-task.md - `clickup_delete_task_link` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-task-link.md - `clickup_delete_time_entry` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-time-entry.md - `clickup_delete_user_group` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-user-group.md - `clickup_delete_view` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-view.md - `clickup_delete_webhook` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-delete-webhook.md - `clickup_remove_guest_from_folder` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-guest-from-folder.md - `clickup_remove_guest_from_list` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-guest-from-list.md - `clickup_remove_guest_from_task` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-guest-from-task.md - `clickup_remove_guest_from_workspace` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-guest-from-workspace.md - `clickup_remove_tag_from_task` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-tag-from-task.md - `clickup_remove_task_from_list` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-task-from-list.md - `clickup_remove_user_from_workspace` — Destructive — https://policylayer.com/tools/clickup-mcp/clickup-remove-user-from-workspace.md - `clickup_start_time_entry` — Execute — https://policylayer.com/tools/clickup-mcp/clickup-start-time-entry.md - `clickup_get_bulk_tasks_time_in_status` — Read — https://policylayer.com/tools/clickup-mcp/clickup-get-bulk-tasks-time-in-status.md - `clickup_get_chat_channel` — Read — https://policylayer.com/tools/clickup-mcp/clickup-get-chat-channel.md - `clickup_get_chat_channel_followers` — Read — https://policylayer.com/tools/clickup-mcp/clickup-get-chat-channel-followers.md - …and 135 more: https://policylayer.com/tools/clickup-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=clickup-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/clickup-mcp