DeepSeek Harness Tool Palette: Progressive Tool Discovery and Agent-based Unlocking

# Introduction The philosophy of DSH is "everything is a plugin." However, as more components are installed, a practical problem arises: every plugin and MCP server contributes a batch of tool schemas to each model request. As the list grows, the cost of redundant tool prefixes increases, and it becomes more difficult for the model to identify the correct target within a long list of tools. DeepSeek Harness Tool Palette adopts the opposite approach: when an Agent starts, it carries only a `tool_search` function and a set of base tools selected during deployment. Other globally installed tools remain hidden initially; they are unlocked only when the model searches for the corresponding capabilities, allowing them to be used in subsequent steps. The following sections explain the specific mechanism, installation process, and usage boundaries of this plugin. # What is this? Tool Palette by li...