> ## Documentation Index
> Fetch the complete documentation index at: https://docs.jiekou.ai/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> JieKou AI model APIs are OpenAI-compatible. Base URL for users in mainland China (direct, no VPN): https://api.highwayapi.ai/openai; elsewhere: https://api.jiekou.ai/openai. Anthropic-compatible base URL: https://api.highwayapi.ai/anthropic or https://api.jiekou.ai/anthropic.
> Authenticate with `Authorization: Bearer <API_KEY>`; with Anthropic SDKs or Claude Code, pass the same key as `ANTHROPIC_AUTH_TOKEN`. Users create keys at https://jiekou.ai/settings/key-management. Never print or hardcode a real key.
> Get current model IDs from GET https://api.jiekou.ai/openai/v1/models instead of reusing model names from memory.

# DeepSeek Harness

## What is DeepSeek Harness?

DeepSeek Harness (DSH) is an open-source agent harness developed by [DeepSeek AI](https://deepseek.com/).

It is built on an everything-is-a-plugin architecture and powered by [Cordis](https://github.com/cordiverse/cordis).

Official website: [https://www.deepseek.com/harness/](https://www.deepseek.com/harness/)

GitHub: [https://github.com/deepseek-ai/deepseek-harness](https://github.com/deepseek-ai/deepseek-harness)

## How to integrate Interface AI into DeepSeek Harness?

### Get an API Key

1. Log in to the official website jiekou.ai and sign up.

2. Go to the admin console, click "My" in the upper right corner, and select "API Key Management" from the dropdown list.

   ![](https://mintcdn.com/jiekou/f-T_E3hNj8sGYUsR/images/deepseek-harness-01.png?fit=max\&auto=format\&n=f-T_E3hNj8sGYUsR\&q=85\&s=5e81e9b20ae476ac4c4c5b727994bd70)

3. Click "Create" and enter a key name. It is recommended to use an easily recognizable name so you can distinguish keys for different purposes in the console later.

   ![](https://mintcdn.com/jiekou/f-T_E3hNj8sGYUsR/images/deepseek-harness-02.png?fit=max\&auto=format\&n=f-T_E3hNj8sGYUsR\&q=85\&s=b1254a289e16ac82d7409489e2bb4247)

4. Click to copy and record the generated Key. It cannot be viewed again in the console, so please store the Key safely for future use.

### Integrate Interface AI into DeepSeek Harness

1. After installing DeepSeek Harness, run the client or web version, open Settings → Models, and click "Add Model Provider"
2. Enter the API Key you just copied, fill in the URL, and select the API format (API Endpoint) that matches the model you want to call

* Mainland China direct URL: [https://api.highwayapi.ai/openai](https://api.highwayapi.ai/openai)
* International URL: [https://api.jiekou.ai/openai](https://api.jiekou.ai/openai)

  ![](https://mintcdn.com/jiekou/eY20tqhq6niA3Adp/images/deepseek-harness-03.png?fit=max\&auto=format\&n=eY20tqhq6niA3Adp\&q=85\&s=56b34666b229a0b1c4779f8f79421677)

3. Click "Fetch Available Models", select the model you want to call, click "Add Selected" to save, then click "Create Provider" — you can now use it in conversations

   ![](https://mintcdn.com/jiekou/eY20tqhq6niA3Adp/images/deepseek-harness-04.png?fit=max\&auto=format\&n=eY20tqhq6niA3Adp\&q=85\&s=a99ae21cb94d0d4a4a78112e5a3e4c12)

![](https://mintcdn.com/jiekou/eY20tqhq6niA3Adp/images/deepseek-harness-05.png?fit=max\&auto=format\&n=eY20tqhq6niA3Adp\&q=85\&s=dfa9c9486798fd9648c14d12d46dcb60)


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