# [PROJECT_NAME] MCP Server - Product Requirements Document
> **Ralph Workflow Compatible** - This PRD is structured for autonomous deployment via `ralph-import`
## Overview
| Field | Value |
|-------|-------|
| **Project** | [PROJECT_NAME] MCP Server |
| **Version** | 1.0.0 |
| **Target API** | [API_NAME] |
| **OAuth Scopes** | [REQUIRED_SCOPES] |
| **Estimated Tools** | [XX] tools |
| **Priority** | P0 (Critical) / P1 (High) / P2 (Medium) |
### Problem Statement
[One paragraph describing the workforce management problem this MCP server solves]
### Success Criteria
- [ ] All P0 tools implemented and tested
- [ ] OAuth2 authentication working with [API_NAME]
- [ ] Deployed to Railway/production environment
- [ ] Claude can execute end-to-end workflows
---
## Technical Requirements
### Stack (Inherit from Tanda MCP patterns)
```
Runtime: Node.js 18+
Language: TypeScript 5.3+
Framework: Express 4.18+
Auth: OAuth2 with PKCE
Validation: Zod
Logging: Winston
Testing: Jest
Deployment: Docker / Railway
```
### API Integration
| Requirement | Details |
|-------------|---------|
| Base URL | `https://api.[service].com/v[X]` |
| Auth Type | OAuth2 / API Key / Bearer Token |
| Rate Limits | [X] requests/minute |
| Scopes Required | [scope1, scope2, scope3] |
---
## Feature Specification
### Phase 1: Core Infrastructure (P0)
#### F1.1 - OAuth2 Authentication
```
Priority: P0
Complexity: High
Dependencies: None
```
**Requirements:**
- [ ] OAuth2 authorization flow with PKCE
- [ ] Token storage and automatic refresh
- [ ] Session management with express-session
- [ ] `.well-known/oauth-authorization-server` endpoint
**Acceptance Criteria:**
- User can authenticate via browser redirect
- Tokens refresh automatically before expiry
- Session persists across server restarts
---
#### F1.2 - MCP Protocol Handler
```
Priority: P0
Complexity: Medium
Dependencies: F1.1
```
**Requirements:**
- [ ] JSON-RPC 2.0 handler
- [ ] SSE endpoint for real-time communication
- [ ] Standard MCP methods: initialize, tools/list, tools/call
- [ ] Health check endpoint
**Acceptance Criteria:**
- Claude Desktop can connect via SSE
- All MCP methods respond correctly
- Error codes follow JSON-RPC spec
---
### Phase 2: Tool Categories
> **Naming Convention:** `[service]_[action]_[resource]`
> Example: `quickbooks_get_invoices`, `tanda_create_shift`
#### Category: [CATEGORY_1] Tools
| Tool Name | Description | Priority | Write? |
|-----------|-------------|----------|--------|
| `[service]_get_[resource]` | Fetch single [resource] by ID | P0 | No |
| `[service]_list_[resources]` | List all [resources] with filters | P0 | No |
| `[service]_create_[resource]` | Create new [resource] | P1 | Yes |
| `[service]_update_[resource]` | Update existing [resource] | P1 | Yes |
| `[service]_delete_[resource]` | Delete [resource] | P2 | Yes |
**Tool Schema Template:**
```typescript
{
name: '[service]_get_[resource]',
description: 'Get [resource] details by ID. Returns [fields].',
inputSchema: {
type: 'object',
properties: {
[resource]_id: {
type: 'string',
description: 'The unique identifier for the [resource]'
},
include_[related]: {
type: 'boolean',
description: 'Include related [related] data'
}
},
required: ['[resource]_id']
}
}
```
---
#### Category: [CATEGORY_2] Tools
| Tool Name | Description | Priority | Write? |
|-----------|-------------|----------|--------|
| `[service]_[action]_[resource]` | [Description] | P[X] | Yes/No |
---
### Phase 3: Advanced Features (P2)
#### F3.1 - Real-time Webhooks
```
Priority: P2
Complexity: High
Dependencies: F1.1, F1.2
```
**Requirements:**
- [ ] Webhook endpoint for [API] events
- [ ] Event filtering and routing
- [ ] Retry logic for failed deliveries
---
## API Coverage Matrix
### OAuth Scopes → Tool Mapping
| Scope | Description | Tools |
|-------|-------------|-------|
| `[scope1]` | Access to [resource1] | 5 tools |
| `[scope2]` | Access to [resource2] | 3 tools |
| `[scope3]` | Write access to [resource3] | 4 tools |
### Fit-Gap Analysis
| API Endpoint | Status | Tool Name | Priority |
|--------------|--------|-----------|----------|
| `GET /api/[resource]` | Implemented | `[tool_name]` | P0 |
| `POST /api/[resource]` | Planned | `[tool_name]` | P1 |
| `GET /api/[other]` | Gap | - | P2 |
---
## Deployment Requirements
### Environment Variables
```bash
# Server
PORT=3000
NODE_ENV=production
# [API_NAME] OAuth
[SERVICE]_CLIENT_ID=your_client_id
[SERVICE]_CLIENT_SECRET=your_client_secret
[SERVICE]_REDIRECT_URI=https://your-domain.com/auth/callback
# Security (generate with: openssl rand -base64 32)
SESSION_SECRET=your_session_secret_min_32_chars
JWT_SECRET=your_jwt_secret_min_32_chars
# Optional
MCP_READ_ONLY_MODE=false
LOG_LEVEL=info
```
### Railway Deployment
```bash
# Auto-detected variables
RAILWAY_PUBLIC_DOMAIN # Used for OAuth redirect
RAILWAY_ENVIRONMENT # Sets NODE_ENV
```
---
## Test Scenarios
### Workflow 1: [Primary Use Case]
```markdown
**Scenario:** [User wants to accomplish X]
**Steps:**
1. Claude calls `[service]_list_[resources]` to find available items
2. Claude calls `[service]_get_[resource]` for details
3. Claude calls `[service]_[action]_[resource]` to complete action
**Expected Result:** [Outcome description]
**Validation:** [How to verify success]
```
### Workflow 2: [Secondary Use Case]
```markdown
**Scenario:** [Description]
**Steps:**
1. [Step 1]
2. [Step 2]
**Expected Result:** [Outcome]
```
---
## Task Breakdown for @fix_plan.md
> These tasks are formatted for Ralph's autonomous loop
### Infrastructure Tasks
```
- [ ] [P0] Initialize TypeScript project with Express
- [ ] [P0] Configure Zod environment validation
- [ ] [P0] Implement OAuth2 flow with PKCE
- [ ] [P0] Create MCP JSON-RPC handler
- [ ] [P0] Set up Winston logging
- [ ] [P1] Add rate limiting middleware
- [ ] [P1] Configure Helmet security headers
```
### Tool Implementation Tasks
```
- [ ] [P0] Implement [service]_get_[resource] tool
- [ ] [P0] Implement [service]_list_[resources] tool
- [ ] [P1] Implement [service]_create_[resource] tool
- [ ] [P1] Implement [service]_update_[resource] tool
- [ ] [P2] Implement [service]_delete_[resource] tool
```
### Testing Tasks
```
- [ ] [P1] Write unit tests for API client
- [ ] [P1] Write integration tests for OAuth flow
- [ ] [P1] Create tool execution test suite
- [ ] [P2] Add end-to-end workflow tests
```
### Documentation Tasks
```
- [ ] [P1] Write README with quick start guide
- [ ] [P1] Document environment variables
- [ ] [P2] Create deployment guide
- [ ] [P2] Add API coverage documentation
```
---
## Appendix
### Reference Implementation
This PRD follows patterns established in the Tanda-Workforce-MCP-Server:
- Repository: `hakeemrabiuDFW/Tanda-Workforce-MCP-Server`
- Version: v3.0.0
- Tools: 38 workforce management tools
### Related Documents
- `DEPLOYMENT.md` - Detailed deployment instructions
- `FIT_GAP_ANALYSIS.md` - API coverage analysis
- `CLAUDE_AI_TEST_CASES.md` - Integration test scenarios
---
*Generated for Ralph Claude Code workflow - https://github.com/frankbria/ralph-claude-code*
