GrantSonar MCP Server: Install & Setup

Install GrantSonar in Claude Code

Claude Code

claude mcp add --transport http grantsonar https://grantsonar.com/api/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "grantsonar": {
      "url": "https://grantsonar.com/api/mcp"
    }
  }
}

Frequently asked questions

What does the GrantSonar MCP server do?

Search verified-open US grants (federal, state, foundation). Read-only MCP for AI agents.

Is the GrantSonar MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does GrantSonar run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add GrantSonar to Claude Code?

Run: claude mcp add --transport http grantsonar https://grantsonar.com/api/mcp

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