# One Search MCP (MCP server)

> One Search MCP is an MCP server that adds web browsing tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Web search, URL discovery, scraping & extraction with agent-browser and search providers. It has 144 GitHub stars, is released under the MIT license and runs locally with npx -y one-search-mcp.

A Model Context Protocol (MCP) server implementation that integrates with multiple search providers for web search, local browser search, URL discovery, and scraping capabilities with agent-browser.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/yokingma/one-search-mcp |
| GitHub stars | 144 |
| License | MIT |
| Language | TypeScript |
| Transport | stdio |
| Packages | npm: one-search-mcp |
| Remote URL | none |
| Needs API key | yes |
| Official | no |
| Works with | Claude Desktop, Claude Code, Cursor, VS Code |
| Category | Web & browsing |
| Latest release | v1.2.4 (Jul 31, 2026) |
| Last commit | Jul 31, 2026 |
| MCP registry name | io.github.yokingma/one-search-mcp |

## Install

### Claude Desktop (claude_desktop_config.json)

```json
{
  "mcpServers": {
    "one-search-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "one-search-mcp"
      ],
      "env": {
        "SEARCH_API_KEY": "your-value",
        "YDC_API_KEY": "your-value"
      }
    }
  }
}
```

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

### Claude Code

```sh
claude mcp add --env SEARCH_API_KEY=your-value --env YDC_API_KEY=your-value --transport stdio one-search-mcp -- npx -y one-search-mcp
```

### Cursor (.cursor/mcp.json)

```json
{
  "mcpServers": {
    "one-search-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "one-search-mcp"
      ],
      "env": {
        "SEARCH_API_KEY": "your-value",
        "YDC_API_KEY": "your-value"
      }
    }
  }
}
```

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

### VS Code (.vscode/mcp.json)

```json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "search_api_key",
      "description": "SEARCH_API_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "ydc_api_key",
      "description": "YDC_API_KEY",
      "password": true
    }
  ],
  "servers": {
    "one-search-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "one-search-mcp"
      ],
      "env": {
        "SEARCH_API_KEY": "${input:search_api_key}",
        "YDC_API_KEY": "${input:ydc_api_key}"
      }
    }
  }
}
```

Config formats checked against the official docs on 2026-10-07.

## Environment variables

- `SEARCH_PROVIDER`: Search provider to use (searxng, duckduckgo, bing, tavily, google, zhipu, exa, bocha, ydc, local)
- `SEARCH_API_URL`: API URL for SearXNG (required if using searxng provider), or Google Custom Search Engine ID for google
- `SEARCH_API_KEY` (secret): API key for search provider (required for tavily, bing, google, zhipu, exa, bocha)
- `YDC_API_KEY` (secret): You.com API key for ydc provider
- `ALLOW_PRIVATE_NETWORK`: Allow browser-backed tools to access private, loopback, and link-local network targets when set to true

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