5ire — Free AI Chat App

By 5ire (nanbingxyz) · AI tools
  • Open source
  • Free
  • AI tools
Download 5ire Direct download from github.com Official download page Link checked October 19, 2026

Our verdict: 5ire is a clean, simple AI client for people who want MCP tools without a complicated interface. Its local knowledge base and usage analytics are useful extras. You need your own API keys or a local model provider, and releases come less often than with bigger projects.

5ire on its official website
5ire on its official website · Screenshot from the official website

About 5ire

5ire is an open-source desktop AI assistant licensed under a modified Apache License 2.0; the extra terms exclude the 5ire brand from the license and require a commercial license for some commercial redistribution of modified versions. It connects to many LLM providers with your own API keys and is designed to be easy for newcomers.

The app works as an MCP client, so models can use tools such as file system access or databases, and the developer runs an open marketplace for MCP servers. A local knowledge base uses the bge-m3 embedding model to index docx, xlsx, pptx, pdf, txt and csv files on your PC. Usage analytics track your API spending, and a prompt library supports variables.

What it does well

  • MCP tools. Connects MCP servers so models can access files, databases and other tools.
  • Local knowledge base. Indexes Office documents, PDFs, text and CSV files locally with bge-m3.
  • Usage analytics. Tracks API usage and spending per provider.
  • Prompt library. Stores reusable prompts with variables.
  • Bookmarks and search. Saves answers and searches across all conversations.

Who it is for

Good fit

People with API keys who want a straightforward desktop chat with MCP tools and document search.

Look elsewhere

Users without API keys or a local model server, and those who need frequent feature updates.

Pros and cons

Pros

  • Free and open source
  • Simple, clean interface
  • MCP support with a server marketplace
  • Local document knowledge base

Cons

  • Needs your own API keys or a local model server
  • Smaller project with slower releases
  • License adds brand restrictions to Apache 2.0

How to install 5ire

Run the Windows setup file from the official GitHub release linked on 5ire.app. Add a provider and API key in the settings before chatting. To use tools, add MCP servers from the 5ire marketplace, and only install servers you trust, because they can access your files or data.

Questions about 5ire

Is 5ire free?

Yes. 5ire is open source and completely free; you only pay your AI provider for API usage.

Where does 5ire store my documents?

The knowledge base parses and vectorizes documents locally on your PC. The text sent with each question goes to the model provider you selected.

Download 5ire from 5ire.app ExeDepot does not host this file. The download starts from the developer's server, github.com. Other versions are on the official download page.

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