Metadata-Version: 2.4
Name: reminix-langchain
Version: 0.0.22
Summary: Reminix agents for LangChain - serve AI agents as REST APIs
Project-URL: Homepage, https://reminix.com
Project-URL: Documentation, https://reminix.com/docs
Project-URL: Repository, https://github.com/reminix-ai/runtime-python
Project-URL: Changelog, https://github.com/reminix-ai/runtime-python/blob/main/CHANGELOG.md
Project-URL: Bug Tracker, https://github.com/reminix-ai/runtime-python/issues
Author-email: Reminix Team <team@reminix.com>
License-Expression: Apache-2.0
License-File: LICENSE
Keywords: agents,ai,langchain,llm,reminix
Classifier: Development Status :: 4 - Beta
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: Apache Software License
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.10
Classifier: Programming Language :: Python :: 3.11
Classifier: Programming Language :: Python :: 3.12
Classifier: Topic :: Scientific/Engineering :: Artificial Intelligence
Requires-Python: >=3.10
Requires-Dist: langchain>=1.0.0
Requires-Dist: reminix-runtime~=0.0.22
Provides-Extra: dev
Requires-Dist: pytest-asyncio>=0.24.0; extra == 'dev'
Requires-Dist: pytest>=8.0.0; extra == 'dev'
Description-Content-Type: text/markdown

# reminix-langchain

Reminix agent for [LangChain](https://langchain.com). Serve any LangChain runnable as a REST API.

> **Ready to go live?** [Deploy to Reminix Cloud](https://reminix.com/docs/deployment) for zero-config hosting, or [self-host](https://reminix.com/docs/deployment/self-hosting) on your own infrastructure.

## Installation

```bash
pip install reminix-langchain
```

This will also install `reminix-runtime` as a dependency.

## Quick Start

```python
from langchain_openai import ChatOpenAI
from reminix_langchain import LangChainChatAgent
from reminix_runtime import serve

llm = ChatOpenAI(model="gpt-4o")
agent = LangChainChatAgent(llm, name="my-chatbot")
serve(agents=[agent])
```

Your agent is now available at:
- `POST /agents/my-chatbot/invoke` - Execute the agent

## API Reference

### `LangChainChatAgent(runnable, *, name, description, instructions, tags, metadata)`

Create a LangChain chat agent.

| Parameter | Type | Default | Description |
|-----------|------|---------|-------------|
| `runnable` | `Runnable` | required | Any LangChain runnable (LLM, chain, agent, etc.) |
| `name` | `str` | `"langchain-agent"` | Name for the agent (used in URL path) |
| `description` | `str` | `"langchain chat agent"` | Description shown in agent metadata |
| `instructions` | `str` | `None` | System instructions prepended to messages |
| `tags` | `list[str]` | `None` | Tags for categorizing/filtering agents |
| `metadata` | `dict` | `None` | Custom metadata merged into agent info |

**Returns:** `LangChainChatAgent` - A Reminix agent instance

### Example with a Chain

```python
from langchain_openai import ChatOpenAI
from langchain_core.prompts import ChatPromptTemplate
from reminix_langchain import LangChainChatAgent
from reminix_runtime import serve

# Create a chain
prompt = ChatPromptTemplate.from_messages([
    ("system", "You are a helpful assistant."),
    ("human", "{input}")
])
llm = ChatOpenAI(model="gpt-4o")
chain = prompt | llm

# Create and serve
agent = LangChainChatAgent(chain, name="my-chain")
serve(agents=[agent])
```

## Endpoint Input/Output Formats

### POST /agents/{name}/invoke

Execute the agent with a prompt or messages.

**Request with prompt:**
```json
{
  "input": {
    "prompt": "Summarize this text: ..."
  }
}
```

**Request with messages:**
```json
{
  "input": {
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }
}
```

**Response:**
```json
{
  "output": "Hello! How can I help you today?"
}
```

### Streaming

For streaming responses, set `stream: true` in the request:

```json
{
  "input": {
    "prompt": "Tell me a story"
  },
  "stream": true
}
```

The response will be sent as Server-Sent Events (SSE).

## Runtime Documentation

For information about the server, endpoints, request/response formats, and more, see the [`reminix-runtime`](https://pypi.org/project/reminix-runtime/) package.

## Deployment

Ready to go live?

- **[Deploy to Reminix Cloud](https://reminix.com/docs/deployment)** - Zero-config cloud hosting
- **[Self-host](https://reminix.com/docs/deployment/self-hosting)** - Run on your own infrastructure

## Links

- [GitHub Repository](https://github.com/reminix-ai/runtime-python)
- [LangChain Documentation](https://python.langchain.com)

## License

Apache-2.0
