mcp server
IRS 990 Nonprofit Data
Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica
Description as published by the maintainer. Source
- version 1.1.0
- slowing
slowing — Registry entry last updated 2026-04-04.
What this server can do
3 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.
get_nonprofit_details(ein)- Get 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'). Required: ein.
get_nonprofit_filings(ein)- Get 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'). Required: ein.
search_nonprofits(page, query, state, c_code, ntee_code)- Search 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). Required: query.
Last successful function declaration observed on . Source: https://mcp.olyport.com/irs-990/mcp. We list what the server declared; we do not call any of these functions.
Endpoint status observed on . Source: https://mcp.olyport.com/irs-990/mcp.
Signals
These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.
| Signal | Value | What it measures | Window | Observed | Source |
|---|---|---|---|---|---|
| Latest published version | 1.1.0 | Latest version string the maintainer published to the registry. | as of fetch | Model Context Protocol | |
| Registry record last updated | 2026-04-04 | When the registry record was last updated by its maintainer. | point in time | Model Context Protocol | |
| First listed in the MCP Registry | 2026-04-04 | Date this server was first published to the official MCP Registry. Not a usage or quality measure. | point in time | Model Context Protocol | |
| mcp tools declared | 3 tools | Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. | as of probe | mcp.olyport.com | |
| mcp endpoint status | ok | The server listed 3 functions when asked. | as of probe | mcp.olyport.com |
Where to get it
This record as data
Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.
GET /api/v1/entries/mcp_server.json