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Vexor

Vexor is an MCP server that adds search and knowledge tools to AI assistants such as Claude Desktop, Claude Code and Cursor. A semantic search engine for files and code. It has 247 GitHub stars, is released under the MIT license and runs locally with uvx vexor.

github.com/scarletkc/vexor (opens in a new tab)

Data as of from the GitHub API and the official MCP registry; description from the project's repository. Report an error

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Install Vexor

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "vexor": {
      "command": "uvx",
      "args": [
        "vexor"
      ],
      "env": {
        "VEXOR_API_KEY": "your-value",
        "VEXOR_REMOTE_RERANK_API_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env VEXOR_API_KEY=your-value --env VEXOR_REMOTE_RERANK_API_KEY=your-value --transport stdio vexor -- uvx vexor

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "vexor": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "vexor"
      ],
      "env": {
        "VEXOR_API_KEY": "your-value",
        "VEXOR_REMOTE_RERANK_API_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "vexor_api_key",
      "description": "VEXOR_API_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "vexor_remote_rerank_api_key",
      "description": "VEXOR_REMOTE_RERANK_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "vexor": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "vexor"
      ],
      "env": {
        "VEXOR_API_KEY": "${input:vexor_api_key}",
        "VEXOR_REMOTE_RERANK_API_KEY": "${input:vexor_remote_rerank_api_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
VEXOR_API_KEYsecretNoEmbedding provider API key (optional; overrides a stored key; providers can also be configured via vexor init)
VEXOR_REMOTE_RERANK_API_KEYsecretNoRemote reranker API key (optional; overrides a stored key; only needed when rerank is set to remote)
VEXOR_CONFIG_JSONNoNon-secret Vexor config as a JSON object, e.g. {"provider": "gemini", "rerank": "bm25"} (optional; merged over ~/.vexor/config.json; credential fields are…

About Vexor

Vexor is a semantic search engine that builds reusable indexes over files and code. It supports configurable embedding and reranking providers, and exposes the same core through a Python API, a CLI tool, and an MCP server.

  • embeddings
  • ai
  • cli
  • python
  • search
  • vector
  • claude
  • codex
  • skills
  • terminal

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FAQ

Vexor FAQ

Still curious? Email info@appsgit.com.

How do I install the Vexor MCP server?

Add the command uvx vexor to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is Vexor free?

The server is open source under the MIT license, so running it is free. It does not declare any required API key.

Is Vexor actively maintained?

The most recent commit was on Oct 2, 2026. The latest release is v0.30.0, published Sep 27, 2026. appsgit only lists MCP servers with a commit in the last six months.