Index / MCP servers / IRS 990 Nonprofit Data

IRS 990 Nonprofit Data MCP server

IRS 990 Nonprofit Data is a remote MCP server that gives an AI agent 3 tools, among them get_nonprofit_details, get_nonprofit_filings, search_nonprofits. It answers at https://mcp.olyport.com/irs-990/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.

Status

Answering

Tools

Official

yes, served from olyport.com

Reliability

10 of 10 checks

Response time

555 ms

Transport

streamable HTTP

Last checked

18 October 2026

Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica

Description as the publisher wrote it.

The 3 tools IRS 990 Nonprofit Data offers

Tool	What it does
`get_nonprofit_details`	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 Inputs: ein
`get_nonprofit_filings`	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: Inputs: ein
`search_nonprofits`	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', Inputs: query, state, ntee_code, c_code, page

Add IRS 990 Nonprofit Data to your AI client

Every block below points at https://mcp.olyport.com/irs-990/mcp. Pick your client and copy.

Claude Code: one command in your terminal

claude mcp add --transport http irs-990-nonprofit-data https://mcp.olyport.com/irs-990/mcp

Claude Desktop: claude_desktop_config.json

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://mcp.olyport.com/irs-990/mcp"]
    }
  }
}

Cursor: ~/.cursor/mcp.json, or .cursor/mcp.json in a project

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

VS Code and GitHub Copilot: .vscode/mcp.json

{
  "servers": {
    "irs-990-nonprofit-data": {
      "type": "http",
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Zed: Zed settings.json

{
  "context_servers": {
    "irs-990-nonprofit-data": {
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Windsurf: ~/.codeium/mcp_config.json

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "serverUrl": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

JetBrains AI Assistant: Settings, Tools, AI Assistant, MCP, New MCP Server, as JSON

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Continue: .continue/mcpServers/neuronto.yaml

name: IRS 990 Nonprofit Data
version: 0.0.1
schema: v1
mcpServers:
  - name: IRS 990 Nonprofit Data
    type: streamable-http
    url: https://mcp.olyport.com/irs-990/mcp

Gemini CLI: ~/.gemini/settings.json

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "httpUrl": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Codex CLI: MCP server config

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "type": "http",
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Warp: MCP servers, + Add, paste JSON

{
  "mcpServers": {
    "irs-990-nonprofit-data": {
      "url": "https://mcp.olyport.com/irs-990/mcp"
    }
  }
}

Goose: a one-click extension link

goose://extension?url=https%3A%2F%2Fmcp.olyport.com%2Firs-990%2Fmcp&type=streamable_http&id=irs-990-nonprofit-data&name=IRS%20990%20Nonprofit%20Data

Is IRS 990 Nonprofit Data up right now?

It answered our last check on 18 October 2026 in 555 ms. Over 10 checks since 5 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.

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Questions about IRS 990 Nonprofit Data

Is there an official IRS 990 Nonprofit Data MCP server?

Yes. It is published by olyport.com and served from mcp.olyport.com, the vendor's own domain: https://mcp.olyport.com/irs-990/mcp.

How many tools does IRS 990 Nonprofit Data have?

3, as returned by the server's own tools/list on 31 August 2026: get_nonprofit_details, get_nonprofit_filings, search_nonprofits.

Is IRS 990 Nonprofit Data down?

It answered our last check on 18 October 2026 in 555 ms. Over 10 checks since 5 September 2026 it answered 10.

How do I add IRS 990 Nonprofit Data to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://mcp.olyport.com/irs-990/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does IRS 990 Nonprofit Data need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: com.olyport. Endpoint host: mcp.olyport.com. ARD identifier: urn:air:com.olyport:mcp:irs-990. First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.

Is this your server? Get a message the day it stops answering or its tools change: monitoring, 14 days free. Or claim the domain to manage how it is listed.