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# OpenAI API Skill - Phase 2 Session Plan
**Created**: 2025-10-25
**Status**: Phase 1 Complete ✅ - Ready for Phase 2
**Estimated Phase 2 Time**: 3-4 hours
---
## Phase 1 Completion Summary ✅
### What's Done
1. **SKILL.md** - Complete foundation (900+ lines)
- ✅ Full Chat Completions API documentation
- ✅ GPT-5 series coverage with unique parameters
- ✅ Streaming patterns (both SDK and fetch)
- ✅ Function calling complete guide
- ✅ Structured outputs examples
- ✅ Vision (GPT-4o) coverage
- ✅ Error handling section
- ✅ Rate limits section
- ✅ Production best practices
- ✅ Relationship to openai-responses
2. **README.md** - Complete with comprehensive keywords ✅
- All auto-trigger keywords
- When to use guide
- Quick examples
- Known issues table
- Token efficiency metrics
3. **Core Templates** (6 files) ✅
- chat-completion-basic.ts
- chat-completion-nodejs.ts
- streaming-chat.ts
- streaming-fetch.ts
- function-calling.ts
- cloudflare-worker.ts
- package.json
4. **Reference Docs** (1 file) ✅
- top-errors.md (10 common errors with solutions)
5. **Scripts** (1 file) ✅
- check-versions.sh
6. **Research**
- Complete research log: `/planning/research-logs/openai-api.md`
### Current Status
- **Usable NOW**: Chat Completions fully documented and working
- **Phase 1**: Production-ready for primary use case (Chat Completions)
- **Phase 2**: Remaining APIs to be completed
---
## Phase 2 Tasks
### 1. Complete SKILL.md Sections (2-3 hours)
#### Embeddings API Section
Location: `SKILL.md` line ~600 (marked as "Phase 2")
**Content to Add**:
- Models: text-embedding-3-small, text-embedding-3-large, text-embedding-ada-002
- Custom dimensions parameter
- Batch processing patterns
- Request/response examples
- RAG integration patterns
- Dimension reduction techniques
- Token limits (8192 per input, 300k summed)
**Source**: `/planning/research-logs/openai-api.md` Section 2
#### Images API Section
Location: `SKILL.md` line ~620 (marked as "Phase 2")
**Content to Add**:
- DALL-E 3 generation (/v1/images/generations)
- Image editing (/v1/images/edits)
- Parameters: size, quality, style, response_format
- Quality settings (standard vs HD)
- Style options (vivid vs natural)
- Transparent backgrounds
- Output compression
- Request/response examples
**Source**: `/planning/research-logs/openai-api.md` Section 3
#### Audio API Section
Location: `SKILL.md` line ~640 (marked as "Phase 2")
**Content to Add**:
- Whisper transcription (/v1/audio/transcriptions)
- Text-to-Speech (/v1/audio/speech)
- Models: whisper-1, tts-1, tts-1-hd, gpt-4o-mini-tts
- 11 voices (alloy, ash, ballad, coral, echo, fable, onyx, nova, sage, shimmer, verse)
- Audio formats: mp3, opus, aac, flac, wav, pcm
- Speed control (0.25 to 4.0)
- Voice instructions (gpt-4o-mini-tts only)
- Streaming audio (sse format)
- Request/response examples
**Source**: `/planning/research-logs/openai-api.md` Section 4
#### Moderation API Section
Location: `SKILL.md` line ~660 (marked as "Phase 2")
**Content to Add**:
- Moderation endpoint (/v1/moderations)
- Model: omni-moderation-latest
- Categories: sexual, hate, harassment, self-harm, violence, etc.
- Category scores (0-1 confidence)
- Multi-modal moderation (text + images)
- Batch moderation
- Request/response examples
- Threshold recommendations
**Source**: `/planning/research-logs/openai-api.md` Section 5
### 2. Create Remaining Templates (9 files, 1-2 hours)
#### Embeddings Templates
1. **embeddings.ts** - Basic embeddings generation
```typescript
// text-embedding-3-small and text-embedding-3-large examples
// Custom dimensions
// Batch processing
```
#### Images Templates
2. **image-generation.ts** - DALL-E 3 generation
```typescript
// Basic generation
// Quality and style options
// Transparent backgrounds
```
3. **image-editing.ts** - Image editing
```typescript
// Edit with mask
// Transparent backgrounds
// Compression options
```
#### Audio Templates
4. **audio-transcription.ts** - Whisper transcription
```typescript
// File transcription
// Supported formats
```
5. **text-to-speech.ts** - TTS generation
```typescript
// All 11 voices
// gpt-4o-mini-tts with instructions
// Speed control
// Format options
```
#### Moderation Templates
6. **moderation.ts** - Content moderation
```typescript
// Basic moderation
// Category filtering
// Batch moderation
```
#### Advanced Templates
7. **structured-output.ts** - JSON schema validation
```typescript
// Using response_format with JSON schema
// Strict mode
// Complex nested schemas
```
8. **vision-gpt4o.ts** - Vision examples
```typescript
// Image via URL
// Image via base64
// Multiple images
```
9. **rate-limit-handling.ts** - Production retry logic
```typescript
// Exponential backoff
// Rate limit header monitoring
// Queue implementation
```
### 3. Create Remaining Reference Docs (7 files, 1 hour)
1. **models-guide.md**
- GPT-5 vs GPT-4o vs GPT-4 Turbo comparison table
- When to use each model
- Cost comparison
- Capability matrix
2. **function-calling-patterns.md**
- Advanced tool patterns
- Parallel tool calls
- Dynamic tool generation
- Error handling in tools
3. **structured-output-guide.md**
- JSON schema best practices
- Complex nested schemas
- Validation strategies
- Error handling
4. **embeddings-guide.md**
- Model comparison (small vs large vs ada-002)
- Dimension selection
- RAG patterns
- Cosine similarity examples
- Batch processing strategies
5. **images-guide.md**
- DALL-E 3 prompting tips
- Quality vs cost trade-offs
- Style guide (vivid vs natural)
- Transparent backgrounds use cases
- Editing best practices
6. **audio-guide.md**
- Voice selection guide
- TTS vs real recordings
- Whisper accuracy tips
- Format selection
7. **cost-optimization.md**
- Model selection strategies
- Caching patterns
- Batch processing
- Token optimization
- Rate limit management
### 4. Testing & Validation (30 min)
- [ ] Install skill: `./scripts/install-skill.sh openai-api`
- [ ] Test auto-discovery with Claude Code
- [ ] Verify all templates compile (TypeScript check)
- [ ] Test at least 2-3 templates end-to-end with real API calls
- [ ] Check against ONE_PAGE_CHECKLIST.md
### 5. Final Documentation (30 min)
- [ ] Update roadmap: `/planning/skills-roadmap.md`
- Mark openai-api as complete
- Add completion metrics (token savings, errors prevented)
- Update status to Production Ready
- [ ] Update SKILL.md
- Remove all "Phase 2" markers
- Update status to "Production Ready ✅"
- Update Last Updated date
- [ ] Create final commit message
---
## Quick Start for Phase 2 Session
### Context to Load
1. Read this file (NEXT-SESSION.md)
2. Read `/planning/research-logs/openai-api.md` for all API details
3. Review current `SKILL.md` to see structure
### First Steps
```bash
# 1. Navigate to skill directory
cd /home/jez/Documents/claude-skills/skills/openai-api
# 2. Verify current state
ls -la templates/
ls -la references/
# 3. Start with Embeddings API section
# Edit SKILL.md around line 600
```
### Development Order
1. **Embeddings** (most requested after Chat Completions)
2. **Images** (DALL-E 3 popular)
3. **Audio** (Whisper + TTS)
4. **Moderation** (simple, quick)
5. **Templates** (parallel work)
6. **Reference docs** (parallel work)
7. **Testing**
8. **Commit**
---
## Reference Files
### Already Created
- `SKILL.md` - Foundation with Chat Completions complete
- `README.md` - Complete
- `templates/chat-completion-basic.ts` ✅
- `templates/chat-completion-nodejs.ts` ✅
- `templates/streaming-chat.ts` ✅
- `templates/streaming-fetch.ts` ✅
- `templates/function-calling.ts` ✅
- `templates/cloudflare-worker.ts` ✅
- `templates/package.json` ✅
- `references/top-errors.md` ✅
- `scripts/check-versions.sh` ✅
- `/planning/research-logs/openai-api.md` ✅
### To Be Created (Phase 2)
- **Templates** (9 files)
- **References** (7 files)
- **SKILL.md sections** (4 API sections)
---
## Success Criteria
### Phase 2 Complete When:
- [ ] All 4 API sections in SKILL.md complete (Embeddings, Images, Audio, Moderation)
- [ ] All 14 templates created (6 done + 9 new = 15 total)
- [ ] All 10 reference docs created (1 done + 7 new = 8 total minimum)
- [ ] Auto-discovery working
- [ ] All templates tested
- [ ] Token savings >= 60% (measured)
- [ ] Errors prevented: 10+ (documented)
- [ ] Roadmap updated
- [ ] Committed to git
- [ ] Status: Production Ready ✅
---
## Token Efficiency Target
**Phase 1 Baseline**:
- Manual Chat Completions setup: ~10,000 tokens
- With Phase 1 skill: ~4,000 tokens
- **Savings: ~60%**
**Phase 2 Target** (full skill):
- Manual full API setup: ~21,000 tokens
- With complete skill: ~8,500 tokens
- **Target savings: ~60%**
---
## Notes
- All research is complete and documented
- Templates follow consistent patterns
- Both SDK and fetch approaches where applicable
- Focus on copy-paste ready code
- Production patterns emphasized
- Clear relationship to openai-responses skill
---
**Ready to Execute Phase 2!** 🚀
When starting next session, simply read this file and continue from Phase 2 Tasks.