Grounder

io.github.rozetyp/grounder · v0.4.1

Web grounding for local & cloud LLMs: search, fetch, token-capped evidence packs, and research.

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add grounder -e GROUNDER_API_KEY=<GROUNDER_API_KEY> -- uvx grounder-mcp==0.4.1

claude_desktop_config.json

{
  "mcpServers": {
    "grounder": {
      "command": "uvx",
      "args": [
        "grounder-mcp==0.4.1"
      ],
      "env": {
        "GROUNDER_API_KEY": "<GROUNDER_API_KEY>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "grounder": {
      "command": "uvx",
      "args": [
        "grounder-mcp==0.4.1"
      ],
      "env": {
        "GROUNDER_API_KEY": "<GROUNDER_API_KEY>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "grounder": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "grounder-mcp==0.4.1"
      ],
      "env": {
        "GROUNDER_API_KEY": "<GROUNDER_API_KEY>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`GROUNDER_API_KEY` Required, secret	Your Grounder API key - get one free at https://grounder.dev

Details

Package	`[email protected]` (PYPI, stdio)
First published	13 Aug 2026
Last updated	13 Aug 2026
Registry name	`io.github.rozetyp/grounder`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

Pair it with live search

Agents that use Grounder often also need current facts. NestDaddy MCP gives your AI today's internet: web search, real-time breaking news and full page reading in one connector.

See NestDaddy MCP

For maintainers

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