Connects Claude to ProPublica's Nonprofit Explorer API for querying IRS Form 990 data. You can look up organizations by name or EIN, pull filing history, and extract financials like revenue, assets, expenses, and executive compensation. Useful when you're researching nonprofits, checking transparency before a donation, comparing sector compensation benchmarks, or building analysis tools around charitable organization data. Part of OlyPort's federal data collection with 100 free calls per day on streamable-http transport. Beats manually searching ProPublica's web interface or scraping PDFs when you need programmatic access to 990 filings.
claude mcp add --transport http com.olyport-irs-990 https://mcp.olyport.com/irs-990/mcp