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GrantSonar

io.github.romulusfoundry/grantsonar · v1.0.0

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

Connect Remote server

Terminal
claude mcp add --transport http grantsonar https://grantsonar.com/api/mcp
~/.cursor/mcp.json
{
  "mcpServers": {
    "grantsonar": {
      "url": "https://grantsonar.com/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "grantsonar": {
      "type": "http",
      "url": "https://grantsonar.com/api/mcp"
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://grantsonar.com/api/mcp

Tools 2 found in our last check

  • search_grants

    Search open grant opportunities in the GrantSonar corpus (federal, state, and foundation grants). Uses semantic similarity over a plain-English description of the project or need, with a keyword fallback. Returns title, agency, deadline, award amounts, similarity score, and a Gr…

  • get_grant

    Fetch the full detail of a single grant opportunity by its GrantSonar grant_id (UUID), including synopsis, eligibility, deadlines, and award amounts.

Details

Endpointhttps://grantsonar.com/api/mcp (Streamable HTTP)
First published29 Jun 2026
Last updated29 Jun 2026
Registry nameio.github.romulusfoundry/grantsonar

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