IRS 990 Nonprofit Data MCP server
online · 100% uptimeNonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica
Little public usage data yet
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
IRS 990 Nonprofit Data tools (3)
write = sends, deletes, buys or postsget_nonprofit_detailsFreeGet detailed information about a nonprofit organization by EIN. Returns comprehensive data from the organization's IRS 990 filings including revenue, expenses, assets, executive compensation, and filing history. Use search_nonprofits first to find the EIN. Args: ein: Employer Identification Number (e.g. '13-1837418' or '131837418').
get_nonprofit_filingsFreeGet the filing history for a nonprofit organization. Returns a list of all available IRS 990 filings for the organization, including both filings with parsed data and those without. Useful for tracking financial trends over time. Args: ein: Employer Identification Number (e.g. '13-1837418' or '131837418').
search_nonprofitsFreeSearch for nonprofit organizations by name or keyword. Searches the ProPublica Nonprofit Explorer database of IRS 990 filers. Returns organization name, EIN, location, revenue, and tax status. Args: query: Search keywords (e.g. 'food bank', 'habitat for humanity'). state: Two-letter state abbreviation to filter by (e.g. 'CA', 'TX'). ntee_code: NTEE major category code (1-10). 1=Arts, 2=Education, 3=Environment, 4=Health, 5=Human Services, 6=International, 7=Public Benefit, 8=Religion, 9=Mutual Benefit, 10=Unknown. c_code: IRS subsection code (e.g. 3 for 501(c)(3), 4 for 501(c)(4)). page: Zero-indexed page number (25 results per page).
Public scan report
scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 228ms20/20
- Tool poisoning3 tool descriptions checked15/15
- Auth qualityopen endpoint, read-only tools10/15
- Maintenanceno repository listed3/15
- Maintainer identityverified namespace with website, no repo4/10
Findings (1)
- lowNo source repository listed
maint.no-repo
How IRS 990 Nonprofit Data compares
Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 69/100
- higher than 32% of 48,243 servers
- Tools
- 3
- the typical server has 7
- Tools that change things
- 0%
- typical: 0%. Fewer write tools means less an agent can break
- Uptime
- 100%
- of our recent checks; the typical remote server answers 100%
- Response time
- 99 ms
- faster than 84% of 30,027 servers
What its tools let an agent do: 3 read
Install IRS 990 Nonprofit Data in Claude Code, Cursor or VS Code
claude mcp add --transport http irs-990 https://mcp.olyport.com/irs-990/mcp
IRS 990 Nonprofit Data: common questions
- Is IRS 990 Nonprofit Data MCP server safe?
- With care: it is graded C, so read the findings first (69/100). Read the IRS 990 Nonprofit Data safety report
- How do I install IRS 990 Nonprofit Data?
- It runs remotely at mcp.olyport.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does IRS 990 Nonprofit Data need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is IRS 990 Nonprofit Data maintained?
- The latest release is v1.1.0.
- Is IRS 990 Nonprofit Data up?
- 100% of our last 28 checks got an answer. We check remote servers about four times a day.
- How does IRS 990 Nonprofit Data compare with other MCP servers?
- safety score 69/100 (higher than 32% of 48,243 servers); tools 3 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.