Yes, GroundTruth is free to use.

How do I install GroundTruth?

GroundTruth is a local plugin. Install it using npm package: @groundtruth-mcp/gt-mcp and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does GroundTruth need?

GroundTruth requires the following credentials or environment variables: GT_GITHUB_TOKEN. You can find setup instructions on the server detail page.

What AI apps work with GroundTruth?

GroundTruth uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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GroundTruth MCP Server

by rm-rf-prod

Developer ToolsModerate6.0Local

Free

Self-hosted MCP for live docs, code audits, and best practices. 363+ libraries, no rate limits.

About

Self-hosted MCP for live docs, code audits, and best practices. 363+ libraries, no rate limits.

Security Report

6.0

Moderate6.0Moderate Risk

Valid MCP server (1 strong, 1 medium validity signals). 5 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

3 files analyzed · 6 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

database

Check that this permission is expected for this type of plugin.

What You'll Need

Set these up before or after installing:

GitHub API token for higher rate limits (raises from 60 to 5000 req/hr)Required

Environment variable: GT_GITHUB_TOKEN

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-rm-rf-prod-groundtruth": {
      "env": {
        "GT_GITHUB_TOKEN": "your-gt-github-token-here"
      },
      "args": [
        "-y",
        "@groundtruth-mcp/gt-mcp"
      ],
      "command": "npx"
    }
  }
}

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Local

GroundTruth MCP Server

About

Security Report

Findings (6)Action required

Permissions Required

What You'll Need

How to Install

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GroundTruth MCP Server

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Findings (6)Action required

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