Koskamo

Groundcheck MCP

A Model Context Protocol server that grounds factual claims against live web sources, resolves financial instrument identities via FIGI, extracts atomic claims from text, and issues signed delivery receipts for x402 payments to ensure accountability in agentic commerce.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Groundcheck MCP logo, by beepboop2025Community listingLocal stdioSource reviewed; not executedPublished by beepboop2025
Vendor documentation

What you can do with it

  • Verify a factual claim against live sources
  • Resolve financial instrument identity to canonical FIGI records
  • Extract atomic claims from text for auditing
  • Sign x402 delivery receipts for payment accountability

Source and maintenance

Community listingRegistry 0.7.2
mcp-registry: io.github.beepboop2025/groundcheck@0.7.2Source repositoryProject website
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

groundcheck-mcp 0.6.0

npm
groundcheck-mcp package definition
{
  "version": "0.6.0",
  "transport": "stdio",
  "identifier": "groundcheck-mcp",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "GROUNDCHECK_ENGINE_URL",
      "format": "string",
      "description": "URL of the Groundcheck evidence engine. Defaults to http://127.0.0.1:8723 for a local engine; set to https://groundcheck.seiche.info to use the hosted engine."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "groundcheck-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "groundcheck-mcp@0.6.0"
      ],
      "env": {
        "GROUNDCHECK_ENGINE_URL": "<YOUR_GROUNDCHECK_ENGINE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "groundcheck-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "groundcheck-mcp@0.6.0"
      ],
      "env": {
        "GROUNDCHECK_ENGINE_URL": "<YOUR_GROUNDCHECK_ENGINE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "groundcheck-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "groundcheck-mcp@0.6.0"
      ],
      "env": {
        "GROUNDCHECK_ENGINE_URL": "<YOUR_GROUNDCHECK_ENGINE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "groundcheck-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "groundcheck-mcp@0.6.0"
      ],
      "env": {
        "GROUNDCHECK_ENGINE_URL": "<YOUR_GROUNDCHECK_ENGINE_URL>"
      }
    }
  }
}

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