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## Supported
- OpenAI-compatible `POST /v1/chat/completions`
- OpenAI-compatible `POST /v1/responses`
- OpenAI-compatible `GET /v1/models`
- Non-stream responses with:
- plain assistant text
- assistant `tool_calls`
- Responses API outputs with:
- `output_text`
- `function_call`, `apply_patch_call`, `shell_call`, `local_shell_call`
- Stream responses with:
- `delta.content`
- `delta.tool_calls`
- Responses API stream events:
- `response.output_text.delta`
- `response.function_call_arguments.delta`
- Multi-turn context via the `messages` array
- Tool request fields:
- `tools`
- `tool_choice`
- assistant history `tool_calls`
- tool role history `tool_call_id`
- Automatically derived `*-thinking` public models, for example:
- `claude-sonnet-4.6`
- `claude-sonnet-4.6-thinking`
- Bearer token auth via `Authorization: Bearer <API_KEY>`
## Behavior Notes
- Tool support is implemented through an internal prompt-and-parser bridge, not Cursor-native tool calling.
- Base models keep the current model name and enable tool use.
- `*-thinking` models map back to the same upstream base model, but also enable the internal thinking protocol.
- Thinking is an internal bridge capability only. The public OpenAI response does not expose a separate reasoning field.
- `previous_response_id` is supported with in-memory state only; restart clears history. For stateless use, include prior output items in `input`.
## Not Supported
- Anthropic `/v1/messages`
- MCP orchestration
- Native upstream OpenAI tool execution
- Exposed reasoning/thinking response fields
- Local filesystem or OS command execution through the API
- Persisted Responses API storage or server-side conversations across restarts
## Example: Non-Stream Tool Call
```bash
curl -X POST http://127.0.0.1:8002/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer 0000" \
-d '{
"model": "claude-sonnet-4.6",
"stream": false,
"messages": [
{"role": "user", "content": "帮我查询北京天气"}
],
"tools": [
{
"type": "function",
"function": {
"name": "get_weather",
"description": "Get current weather",
"parameters": {
"type": "object",
"properties": {
"city": {"type": "string"}
},
"required": ["city"]
}
}
}
]
}'
```
## Example: Thinking Model
```bash
curl -X POST http://127.0.0.1:8002/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer 0000" \
-d '{
"model": "claude-sonnet-4.6-thinking",
"stream": true,
"messages": [
{"role": "user", "content": "先思考，再决定是否需要工具"}
],
"tools": [
{
"type": "function",
"function": {
"name": "lookup",
"parameters": {
"type": "object",
"properties": {
"q": {"type": "string"}
},
"required": ["q"]
}
}
}
]
}'
```
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