GrantSonar for Claude.ai

io.github.romulusfoundry/grantsonar

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

client:Claude.ai transport:streamable-http tools:9

Install GrantSonar in Claude.ai

Settings → Connectors → Add custom connector

https://grantsonar.com/api/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

search_grants
get_grant
list_my_matches
get_my_application
list_my_applications
save_grant
dismiss_grant
update_application_section
draft_application_section

GrantSonar in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

GrantSonar MCP server