LongCat Provider¶

LongCat is an OpenAI-compatible API provider that supports tool calls and streaming responses. This document provides configuration details and usage examples for the LongCat provider.

Configuration Options¶

Required Settings¶

Environment Variable	Description	Example Value
`LONGCAT_API_KEY`	Your LongCat API key	`longcat_1234567890abcdef`
`LONGCAT_MODEL`	Model name to use	`LongCat-Flash-Chat`

Optional Settings¶

Environment Variable	Description	Default Value
`LONGCAT_BASE_URL`	Base URL for the API	`https://api.longcat.chat/openai`
`LONGCAT_TIMEOUT`	Request timeout in seconds	`30`
`LONGCAT_EXTRA_HEADERS`	Additional HTTP headers	`{}`

Example Configuration¶

PROVIDER=longcat
LONGCAT_API_KEY=your-api-key
LONGCAT_MODEL=LongCat-Flash-Chat

Features¶

Tool Calls: Supports tool calls with the format:

<longcat_tool_call>function_name
<longcat_arg_key>key1</longcat_arg_key>
<longcat_arg_value>value1</longcat_arg_value>
</longcat_tool_call>

Streaming Responses: Supports streaming responses for real-time interaction.
Anthropic Compatibility: Also provides an Anthropic-compatible API endpoint.

Usage Examples¶

Basic Usage¶

export YAI_PROVIDER=longcat
export LONGCAT_API_KEY=your-api-key
export LONGCAT_MODEL=LongCat-Flash-Chat
ai "What is the capital of France?"

Tool Call Example¶

ai "Call the weather API for New York"

Troubleshooting¶

Error: Invalid API Key Ensure your LONGCAT_API_KEY is correctly set and valid.
Error: Connection Timeout Check your network connection or adjust the LONGCAT_TIMEOUT value.