# ClickUp API Comprehensive Research & Gap Analysis
**Research Date:** August 21, 2025
**Research Task:** 868f9p3ee
**Project:** ClickUp MCP Server - Enhanced Enhancement (868f9p3bg)
## Executive Summary
This document provides a comprehensive analysis of the ClickUp API (https://developer.clickup.com/reference/) to identify gaps in the current MCP server implementation and prioritize new feature development.
**Current State:** 36 tools implemented across 5 categories
**Target State:** 90+ tools with 80%+ API coverage
**Gap:** ~54 additional tools needed
## Current Implementation Analysis
### ✅ Currently Implemented (36 tools)
#### Task Management (20 tools)
- `get_workspace_seats` - Get workspace seat information
- `get_workspaces` - List accessible workspaces
- `get_tasks` - Get tasks from lists
- `get_task_details` - Get detailed task information
- `create_task` - Create new tasks
- `update_task` - Update existing tasks
- `get_lists` - Get lists from folders/spaces
- `create_folder` - Create folders in spaces
- `update_folder` - Update folder properties
- `delete_folder` - Delete folders
- `get_folderless_lists` - Get lists not in folders
- `create_list` - Create lists in folders/spaces
- `create_folderless_list` - Create lists directly in spaces
- `get_list` - Get list details
- `update_list` - Update list properties
- `delete_list` - Delete lists
- `add_task_to_list` - Add tasks to additional lists
- `remove_task_from_list` - Remove tasks from lists
- `create_list_from_template_in_folder` - Create lists from templates in folders
- `create_list_from_template_in_space` - Create lists from templates in spaces
#### Checklist Management (6 tools)
- `create_checklist` - Create checklists in tasks
- `update_checklist` - Update checklist properties
- `delete_checklist` - Delete checklists
- `create_checklist_item` - Add items to checklists
- `update_checklist_item` - Update checklist items
- `delete_checklist_item` - Delete checklist items
#### Comment Management (10 tools)
- `get_task_comments` - Get comments for tasks
- `create_task_comment` - Create task comments
- `get_chat_view_comments` - Get chat view comments
- `create_chat_view_comment` - Create chat view comments
- `get_list_comments` - Get list comments
- `create_list_comment` - Create list comments
- `update_comment` - Update existing comments
- `delete_comment` - Delete comments
- `get_threaded_comments` - Get threaded comment replies
- `create_threaded_comment` - Create threaded replies
#### Document Management (4 tools - READ ONLY)
- `get_doc_content` - Get document content
- `search_docs` - Search documents in workspace
- `get_docs_from_workspace` - List workspace documents
- `get_doc_pages` - Get document pages
#### Space Management (2 tools)
- `get_spaces` - List workspace spaces
- `get_space` - Get space details
## Complete ClickUp API Endpoint Analysis
### 🔴 HIGH PRIORITY - Missing Critical Features
#### Document Management (WRITE OPERATIONS)
**Status:** Currently READ-ONLY, missing all write operations
**Priority:** URGENT - Phase 1
**Complexity:** Medium
**Missing Endpoints:**
- `POST /doc` - Create document
- `PUT /doc/{doc_id}` - Update document
- `DELETE /doc/{doc_id}` - Delete document
- `POST /doc/{doc_id}/page` - Create document page
- `PUT /doc/{doc_id}/page/{page_id}` - Update document page
- `DELETE /doc/{doc_id}/page/{page_id}` - Delete document page
- `GET /doc/{doc_id}/sharing` - Get document sharing settings
- `PUT /doc/{doc_id}/sharing` - Update document sharing
**Implementation Impact:** HIGH - Enables AI agents to create and edit documentation
#### Custom Fields Management
**Status:** COMPLETELY MISSING
**Priority:** URGENT - Phase 1
**Complexity:** High (complex type system)
**Missing Endpoints:**
- `GET /list/{list_id}/field` - Get custom fields for list
- `POST /list/{list_id}/field` - Create custom field
- `PUT /field/{field_id}` - Update custom field
- `DELETE /field/{field_id}` - Delete custom field
- `POST /task/{task_id}/field/{field_id}` - Set custom field value
- `DELETE /task/{task_id}/field/{field_id}` - Remove custom field value
- `GET /space/{space_id}/field` - Get space custom fields
**Custom Field Types to Support:**
- Text (short_text, long_text)
- Number (number, currency)
- Date (date, datetime)
- Dropdown (drop_down, labels)
- Checkbox (checkbox)
- URL (url)
- Email (email)
- Phone (phone)
- Rating (rating)
- Progress (progress)
**Implementation Impact:** HIGH - Essential for comprehensive task management
#### Template Management
**Status:** PARTIALLY IMPLEMENTED (usage only, no creation)
**Priority:** HIGH - Phase 1
**Complexity:** Medium
**Missing Endpoints:**
- `GET /team/{team_id}/taskTemplate` - Get task templates
- `POST /team/{team_id}/taskTemplate` - Create task template
- `PUT /taskTemplate/{template_id}` - Update task template
- `DELETE /taskTemplate/{template_id}` - Delete task template
- `POST /list/{list_id}/taskTemplate/{template_id}` - Create task from template
**Implementation Impact:** MEDIUM - Improves workflow automation
### 🟡 MEDIUM PRIORITY - Enhanced Functionality
#### Time Tracking
**Status:** COMPLETELY MISSING
**Priority:** HIGH - Phase 2
**Complexity:** Medium
**Missing Endpoints:**
- `GET /team/{team_id}/time_entries` - Get time entries
- `POST /team/{team_id}/time_entries` - Create time entry
- `PUT /team/{team_id}/time_entries/{timer_id}` - Update time entry
- `DELETE /team/{team_id}/time_entries/{timer_id}` - Delete time entry
- `GET /team/{team_id}/time_entries/current` - Get running timers
- `POST /team/{team_id}/time_entries/{timer_id}/start` - Start timer
- `POST /team/{team_id}/time_entries/{timer_id}/stop` - Stop timer
**Implementation Impact:** HIGH - Critical for project management and billing
#### Goals & Targets
**Status:** COMPLETELY MISSING
**Priority:** HIGH - Phase 2
**Complexity:** Medium-High
**Missing Endpoints:**
- `GET /team/{team_id}/goal` - Get goals
- `POST /team/{team_id}/goal` - Create goal
- `PUT /goal/{goal_id}` - Update goal
- `DELETE /goal/{goal_id}` - Delete goal
- `POST /goal/{goal_id}/target` - Create goal target
- `PUT /goal/{goal_id}/target/{target_id}` - Update goal target
- `DELETE /goal/{goal_id}/target/{target_id}` - Delete goal target
**Goal Types to Support:**
- Number goals
- Currency goals
- Task completion goals
- Custom metric goals
**Implementation Impact:** MEDIUM - Important for performance tracking
#### Views Management
**Status:** COMPLETELY MISSING
**Priority:** MEDIUM - Phase 3
**Complexity:** High (complex configuration)
**Missing Endpoints:**
- `GET /team/{team_id}/view` - Get views
- `POST /team/{team_id}/view` - Create view
- `PUT /view/{view_id}` - Update view
- `DELETE /view/{view_id}` - Delete view
- `GET /view/{view_id}` - Get view details
**View Types to Support:**
- List views
- Board views
- Calendar views
- Gantt/Timeline views
- Custom views
**Implementation Impact:** MEDIUM - Improves workspace organization
### 🟢 LOWER PRIORITY - Advanced Features
#### Webhooks
**Status:** COMPLETELY MISSING
**Priority:** MEDIUM - Phase 3
**Complexity:** Medium (security considerations)
**Missing Endpoints:**
- `GET /team/{team_id}/webhook` - Get webhooks
- `POST /team/{team_id}/webhook` - Create webhook
- `PUT /webhook/{webhook_id}` - Update webhook
- `DELETE /webhook/{webhook_id}` - Delete webhook
**Implementation Impact:** MEDIUM - Enables integrations and automation
#### Dependencies
**Status:** COMPLETELY MISSING
**Priority:** MEDIUM - Phase 3
**Complexity:** Medium
**Missing Endpoints:**
- `POST /task/{task_id}/link/{links_to}` - Add task dependency
- `DELETE /task/{task_id}/link/{links_to}` - Remove task dependency
- `GET /task/{task_id}/link` - Get task dependencies
**Implementation Impact:** MEDIUM - Important for project planning
#### Attachments
**Status:** COMPLETELY MISSING
**Priority:** MEDIUM - Phase 3
**Complexity:** Medium-High (file handling)
**Missing Endpoints:**
- `POST /task/{task_id}/attachment` - Upload attachment
- `GET /task/{task_id}/attachment` - Get attachments
- `DELETE /attachment/{attachment_id}` - Delete attachment
**Implementation Impact:** MEDIUM - Enhances task documentation
#### Enhanced Tag Management
**Status:** BASIC SUPPORT (via task creation/update)
**Priority:** LOW - Phase 3
**Complexity:** Low
**Missing Endpoints:**
- `GET /space/{space_id}/tag` - Get space tags
- `POST /space/{space_id}/tag` - Create tag
- `PUT /tag/{tag_id}` - Update tag
- `DELETE /tag/{tag_id}` - Delete tag
**Implementation Impact:** LOW - Improves organization
#### Status Management
**Status:** READ-ONLY (via list details)
**Priority:** LOW - Phase 3
**Complexity:** Medium
**Missing Endpoints:**
- `POST /list/{list_id}/status` - Create custom status
- `PUT /status/{status_id}` - Update status
- `DELETE /status/{status_id}` - Delete status
**Implementation Impact:** LOW - Workflow customization
## Implementation Roadmap & Priorities
### Phase 1: Critical Missing Features (URGENT)
**Target:** 15-20 new tools
**Timeline:** Immediate priority
1. **Document Management (8 tools)**
- Document CRUD operations
- Page management
- Sharing management
2. **Custom Fields Management (7 tools)**
- Field CRUD operations
- Value management
- Type-specific handling
3. **Template Management (5 tools)**
- Template CRUD operations
- Template usage
### Phase 2: Enhanced Functionality (HIGH)
**Target:** 15-20 new tools
**Timeline:** After Phase 1
1. **Time Tracking (8 tools)**
- Time entry management
- Timer operations
- Reporting
2. **Goals & Targets (7 tools)**
- Goal management
- Target tracking
- Progress calculation
### Phase 3: Advanced Features (MEDIUM)
**Target:** 15-20 new tools
**Timeline:** After Phase 2
1. **Views Management (5 tools)**
- View CRUD operations
- View configuration
2. **Webhooks (4 tools)**
- Webhook management
- Event handling
3. **Dependencies (3 tools)**
- Dependency management
4. **Attachments (3 tools)**
- File operations
5. **Enhanced Tags/Status (5 tools)**
- Advanced tag/status management
## Technical Implementation Considerations
### Authentication & Permissions
- All endpoints require API token authentication
- Some operations require specific permissions
- Need to handle permission errors gracefully
### Rate Limiting
- ClickUp API has rate limits (100 requests per minute per token)
- Need to implement proper rate limiting handling
- Consider request batching where possible
### Data Validation
- Complex validation requirements for custom fields
- File upload validation for attachments
- JSON schema validation for complex objects
### Error Handling
- Consistent error handling across all new tools
- Proper HTTP status code handling
- User-friendly error messages
### Testing Strategy
- Unit tests for all new tools
- Integration tests with actual ClickUp API
- Mock testing for development
## Success Metrics
### Coverage Goals
- **Current:** 36 tools (estimated 40% API coverage)
- **Phase 1 Target:** 56 tools (estimated 60% API coverage)
- **Phase 2 Target:** 76 tools (estimated 75% API coverage)
- **Phase 3 Target:** 90+ tools (estimated 80%+ API coverage)
### Quality Metrics
- All tools have comprehensive error handling
- All tools have proper input validation
- All tools follow existing naming conventions
- All tools have adequate test coverage
## Conclusion
This research identifies **54 missing tools** across **12 major functional areas**. The implementation should follow the three-phase approach, prioritizing critical document management and custom fields functionality first, followed by time tracking and goals, and finally advanced features like views and webhooks.
The successful completion of this roadmap will transform the ClickUp MCP Server - Enhanced from a basic integration (36 tools) to a comprehensive AI agent interface (90+ tools) with 80%+ API coverage.
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**Next Steps:**
1. Begin Phase 1 implementation with document management
2. Create detailed technical specifications for each tool
3. Implement proper testing framework
4. Establish CI/CD pipeline for quality assurance