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WinShun is an open-source Windows launcher with an MCP server built in
An MIT-licensed Windows launcher called WinShun opens on a double-tap of Ctrl, searches files, applications and documents, keeps a clipboard history with OCR, and runs an MCP server so an AI assistant can call the same search.
Image: GitHub
Why it mattersA Windows user who already pays for an AI assistant can give it live access to the names of files, the text inside documents and the clipboard history through MCP, without wiring up a custom indexer.
A Windows launcher that opens on a double-tap of Ctrl has become one of the few free, open-source alternatives to Everything and Listary that also ships a Model Context Protocol server for AI assistants. The project, LingCore/WinShun on GitHub, reached 435 stars in ten days and is MIT-licensed on Windows 10 and 11 x64.
The maintainers describe eleven features in one tool. Pinyin-initial file name search, full-text search inside Word, Excel, PowerPoint, PDF and code files, an app and system-settings launcher, web search keywords, a favourites system, a plugin set with a calculator and unit conversion, a search box inside Windows Open and Save dialogs, a Win+V replacement for clipboard history with OCR on copied images, a taskbar search box, and an MCP server for AI assistants.
What a double-tap of Ctrl does
The default shortcut is Ctrl pressed twice. From there, typing a pinyin initial sequence or a filename returns matches ranked by recency and relevance. Ctrl plus a number from 1 to 9 opens the matching row without reaching for the mouse. Alt plus P previews the hovered file in place without closing the launcher. Ctrl plus E opens the search panel for sortable columns and filters.
Full-text search covers Word, Excel, PowerPoint and PDF, and code files are also indexed. The maintainers also show a scoped search that limits content search to one folder, written as the query followed by the folder path. A separate "search by meaning" mode is included for finding documents by their subject when the exact keywords are forgotten.
The MCP server for an AI assistant
The feature that makes WinShun useful to a developer using AI assistants is its MCP server. The maintainers describe it as a connector that lets an AI assistant call the same file and clipboard search tools the launcher exposes to the user. The screenshots in the README show a Claude or Codex-compatible assistant performing a search over the WinShun index on request.
For a user already paying for a Claude or OpenAI subscription, the setup gives the assistant tool-level access to the index of their machine, including the OCR layer over clipboard images. The project does not quote a per-query latency, an index size cap or an accuracy figure for pinyin search or OCR, and the maintainers mark the release as a free download from the GitHub releases page.
Where WinShun fits
WinShun targets Windows 10 and 11 only. It is MIT-licensed, so a company that wants to redistribute or extend it may do so with the standard notice preservation. The release page links a Linux Do community thread for discussion rather than an issue tracker-only workflow, which places the project in the open-source Chinese launcher community alongside Utools and Pot.
The project is early. The maintainers describe eleven features and 435 GitHub stars in ten days of listing, with no measurement of search speed, index time or OCR accuracy. The practical adoption bar is one search a user already runs five times a day: whether WinShun returns the file in one keystroke sequence that a mouse-driven search cannot match.
Source
This item was written by an AI system from the linked source. Reveneau is responsible for what it publishes.
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