The Northstar MCP (Model Context Protocol) server gives AI assistants direct access to our modeled IRS 990 warehouse: every US nonprofit and foundation, with financials, executive compensation, grants, and semantic search. Paste one URL and start asking questions. No account required.
https://www.northstartoolkit.com
/api/mcpWorks keyless with generous free limits. Add a free API key from your account to lift them.
https://www.northstartoolkit.com
/api/mcpRun this in your terminal:
claude mcp add --transport http northstar https://www.northstartoolkit.com
/api/mcpAdd this to your claude_desktop_config.json:
{
"mcpServers": {
"northstar": {
"command": "npx",
"args": [
"mcp-remote",
"https://www.northstartoolkit.com
/api/mcp"
]
}
}
}org_lookupFull profile for any EIN: identity, latest financials, people, and available filings
get_filingThe complete modeled 990 for a given year: line items, balance sheet, programs, compensation
financial_trendsMulti-year financial time series: revenue, expenses, net assets, program-expense ratio
get_people_compensationOfficers, directors, and key employees with reported pay per year
grants_madeGrants a foundation has paid (990-PF + Schedule I): recipient, amount, purpose, year
find_peersSimilar organizations by category, size band, and mission similarity
search_nonprofitsSemantic search over missions and program text: describe what you mean, not just names
filter_organizationsStructured filters: state, NTEE, revenue and asset ranges, employees, and more
people_searchFind a person across all nonprofit filings, with affiliations and compensation
benchmark_compensationCompensation percentiles by sector and revenue band: the consultancy question, answered
search_grant_opportunitiesActive grant opportunities from Grants.gov and hundreds of feeds
search_newsNonprofit-sector news about philanthropy and organizations
Keyless use is free with generous rate limits. A free API key raises them, and the Builder tier raises them further and permits commercial use. If you hit a limit, the error message tells you exactly what to do next.
mcp-remote bridge shown in the Claude Desktop section.