Introduction

The DeepSeek Harness plugin ecosystem allows developers to extend functionality. When using an unofficial DeepSeek API (for example, GLM or a gateway), the default built-in web_search tool often returns 401 errors due to authentication configuration issues, preventing online search from completing. The dsh-plugin-search plugin is specifically designed for this scenario and provides a solution that does not require complex configuration.

Plugin Positioning

dsh-plugin-search is a web search tool plugin designed for DeepSeek Harness and maintained by user shinjiyu. Its core purpose is to take over the web_search tool in environments that do not rely on the official DeepSeek API, using a zero-configuration approach to bypass authentication restrictions and enable normal web search.

Core Features

  • Zero-configuration startup: It can run immediately after installation without any additional configuration.
  • Takeover of the built-in tool: It automatically disables the official web-search-deepseek mechanism to avoid conflicts.
  • Compatibility preservation: The tool name remains web_search, enabling seamless integration with existing workflows.
  • Keyless mode support: It supports Tavily’s keyless mode by default and can be used without an API Key.
  • Authentication error fix: Once properly configured, it returns search result links instead of 401 errors.

Installation and Enablement

  1. Run the following command to install the plugin:
dsh plugin --profile web add github:shinjiyu/dsh-plugin-search
  1. After installation, restart the dsh web process.

Note: The tool table in old sessions will not automatically update after restart. New sessions will automatically use the new plugin.

Typical Usage

  1. Environment variable configuration:

    • If you have a Tavily account, set the environment variable TAVILY_API_KEY.
    • If you do not have an account, leave this variable unset and the plugin will use keyless mode.

  2. Model and Key settings:

    • Ensure that the main model uses an unofficial DeepSeek API (such as GLM or a gateway).
    • Do not set DEEPSEEK_API_KEY.

  3. Function verification:

    • In the conversation, ask about the latest content on DeepSeek Harness Discussions.
    • If the plugin is effective, web_search will return search result links instead of 401 errors.

Notes

  • Do not modify system files: Do not modify the runtime/ directory or the official web-search-deepseek plugin files.
  • Positioning limitation: Do not promote it as a full search engine suite.
  • Community status: The corresponding WeChat group QR code expired on 2026-08-22.
  • Session updates: The tool table in old sessions will not automatically update after restart; start a new session.

Conclusion

dsh-plugin-search solves the problem of web_search being restricted by authentication when using third-party APIs. The project is open-sourced under the MIT license, with its source code hosted on GitHub for developers who need to integrate third-party DeepSeek services.

  • Project homepage: https://github.com/shinjiyu/dsh-plugin-search