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mcp/harbor
Verified official

GrantSonar MCP

v1.0.0 changelog · 1

io.github.romulusfoundry/grantsonar

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

transport:streamable-http tools:2
View source

Target client

run in your project directory 

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

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

search_grants Read-only

search grants

get_grant Read-only

get grant

All 2 tools, one page each

2 prompts you invoke yourself

3 resources you attach as context

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.