docs(providers): add Kelly Intelligence provider page

docs/my-website/docs/providers/kelly_intelligence.md

@@ -0,0 +1,130 @@
+import Tabs from '@theme/Tabs';
+import TabItem from '@theme/TabItem';
+
+# Kelly Intelligence
+https://api.thedailylesson.com
+
+Kelly Intelligence is an OpenAI-compatible AI tutor API powered by Claude with automatic
+vocabulary RAG over 162,000 words across 47 languages. Built by
+[Lesson of the Day, PBC](https://lotdpbc.com), a public benefit corporation.
+
+| Property | Details |
+|---------|--------|
+| Description | OpenAI-compatible AI tutor with vocabulary RAG (162K words, 47 languages) |
+| Provider Route | `openai/` (uses LiteLLM's OpenAI-compatible client) |
+| Provider Doc | [Kelly Intelligence ↗](https://api.thedailylesson.com) |
+| API Endpoint | `https://api.thedailylesson.com/v1` |
+| Free Tier | 500 calls/month, no credit card |
+
+## API Key
+
+Get a free API key at https://api.thedailylesson.com (500 calls/month, no credit card).
+
+```python
+# env variable
+os.environ['KELLY_API_KEY']
+```
+
+## Sample Usage
+
+```python
+from litellm import completion
+import os
+
+os.environ['KELLY_API_KEY'] = ""
+response = completion(
+    model="openai/kelly-haiku",
+    api_base="https://api.thedailylesson.com/v1",
+    api_key=os.environ['KELLY_API_KEY'],
+    messages=[{"role": "user", "content": "What does ephemeral mean?"}],
+)
+print(response)
+```
+
+## Sample Usage - Streaming
+
+```python
+from litellm import completion
+import os
+
+os.environ['KELLY_API_KEY'] = ""
+response = completion(
+    model="openai/kelly-sonnet",
+    api_base="https://api.thedailylesson.com/v1",
+    api_key=os.environ['KELLY_API_KEY'],
+    messages=[{"role": "user", "content": "Teach me about serendipity"}],
+    stream=True,
+)
+
+for chunk in response:
+    print(chunk)
+```
+
+## Usage with LiteLLM Proxy Server
+
+1. Setup config.yaml
+
+```yaml
+model_list:
+  - model_name: kelly-haiku
+    litellm_params:
+      model: openai/kelly-haiku
+      api_base: https://api.thedailylesson.com/v1
+      api_key: os.environ/KELLY_API_KEY
+  - model_name: kelly-sonnet
+    litellm_params:
+      model: openai/kelly-sonnet
+      api_base: https://api.thedailylesson.com/v1
+      api_key: os.environ/KELLY_API_KEY
+  - model_name: kelly-opus
+    litellm_params:
+      model: openai/kelly-opus
+      api_base: https://api.thedailylesson.com/v1
+      api_key: os.environ/KELLY_API_KEY
+```
+
+2. Start proxy
+
+```bash
+litellm --config /path/to/config.yaml
+```
+
+3. Test it
+
+```bash
+curl http://0.0.0.0:4000/v1/chat/completions \
+  -H "Content-Type: application/json" \
+  -H "Authorization: Bearer anything" \
+  -d '{
+    "model": "kelly-haiku",
+    "messages": [{"role": "user", "content": "What does ubiquitous mean?"}]
+  }'
+```
+
+## Supported Models
+
+| Model Name     | Engine            | Best For                  | Min Tier |
+|----------------|-------------------|---------------------------|----------|
+| kelly-haiku    | Claude Haiku 4.5  | Fast tutoring, quizzes    | Free     |
+| kelly-sonnet   | Claude Sonnet 4.6 | Deep explanations         | Developer |
+| kelly-opus     | Claude Opus 4.6   | Curriculum design         | Pro      |
+| claude-haiku   | Claude Haiku 4.5  | Raw Claude + vocab RAG    | Free     |
+| claude-sonnet  | Claude Sonnet 4.6 | Raw Claude + vocab RAG    | Developer |
+| claude-opus    | Claude Opus 4.6   | Raw Claude + vocab RAG    | Pro      |
+
+`kelly-*` models include the Kelly tutor persona with a 5-phase Socratic teaching method.
+`claude-*` models are raw Claude with vocabulary RAG only.
+
+## What's Different From Raw Claude?
+
+- **162K words** auto-injected as RAG context (definitions, etymology, IPA)
+- **601K translations** across 47 languages
+- **AI tutor persona** (Kelly) — warm, Socratic, 5-phase teaching method
+- **OpenAI-compatible** format — works with any OpenAI client
+- **Free tier** — 500 calls/month, no credit card
+
+## API Reference
+
+- OpenAPI 3.1 spec: https://api.thedailylesson.com/openapi.json
+- AI plugin manifest: https://api.thedailylesson.com/.well-known/ai-plugin.json
+- Docs: https://api.thedailylesson.com

docs/my-website/sidebars.js

@@ -932,6 +932,7 @@ const sidebars = {
         "providers/hyperbolic",
         "providers/infinity",
         "providers/jina_ai",
+        "providers/kelly_intelligence",
         "providers/lambda_ai",
         "providers/langgraph",
         "providers/lemonade",