Finance & crypto · Official remote MCP server

The Nonprofit Explorer MCP Server MCP server,
connected in one click.

MCP server for nonprofit financials via ProPublica — IRS Form 990 data for 1.8M+ nonprofits. Connect the official Nonprofit Explorer MCP Server MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Free to start · No credit card · No hosting needed

Use this server

Add Nonprofit Explorer MCP Server to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http nonprofit-explorer-mcp-server https://nonprofit-explorer.caseyjhand.com/mcp

Run in your terminal, then restart Claude Code.

Nonprofit Explorer MCP Server · https://nonprofit-explorer.caseyjhand.com/mcp

What you can do

What your AI can do with Nonprofit Explorer MCP Server

Real prompts you can type the moment it's connected — no setup, no docs to read.

Use “nonprofit_search”: Search 1.8M+ IRS-recognized tax-exempt organizations by name, keyword, city, or phrase. Optionally narrow by US state, NTEE major sector (1–.

Use “nonprofit_get_organization”: Full profile for a single tax-exempt org by EIN: legal name, address, NTEE classification, 501(c) type, IRS ruling date, and a financial sna.

Use “nonprofit_get_filings”: All Form 990 filings for a tax-exempt org by EIN: year-by-year revenue, expenses, assets, liabilities, net assets, revenue breakdown, execut.

Security check

How secure is the Nonprofit Explorer MCP Server MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Nonprofit Explorer MCP Server holds up.

A97/100

Security grade A

gate scanned 3 tools on Sep 23, 2026 for prompt injection and risky tool definitions — nothing to flag.

  • lownonprofit_search: Unusually long tool description
Verified directory serverNonprofit Explorer MCP Server · caseyjhand.com

Official endpoint

Operated by Nonprofit Explorer MCP Server (caseyjhand.com) at its documented MCP endpoint — not a third-party mirror or community re-host.

No sign-in needed

This server only exposes public data — no account and no credentials are involved when you connect.

Scanned before it goes live

gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.

Watched for drift

If Nonprofit Explorer MCP Server adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

How it works

Connected in three steps

01

Connect your gate

Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.

02

Pick Nonprofit Explorer MCP Server

Choose Nonprofit Explorer MCP Server in the gate directory. No sign-in needed.

03

Use it anywhere

Nonprofit Explorer MCP Server's tools are live in every AI client you've connected — with rules and logging built in.

Connect Nonprofit Explorer MCP Server free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools Nonprofit Explorer MCP Server exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

nonprofit_searchSearch 1.8M+ IRS-recognized tax-exempt organizations by name, keyword, city, or phrase. Optionally narrow by US state, NTEE major sector (1–

nonprofit_get_organizationFull profile for a single tax-exempt org by EIN: legal name, address, NTEE classification, 501(c) type, IRS ruling date, and a financial sna

nonprofit_get_filingsAll Form 990 filings for a tax-exempt org by EIN: year-by-year revenue, expenses, assets, liabilities, net assets, revenue breakdown, execut

Author

Who runs the Nonprofit Explorer MCP Server MCP server?

Server facts

The Nonprofit Explorer MCP Server MCP server at a glance

Endpointhttps://nonprofit-explorer.caseyjhand.com/mcp
Operated byNonprofit Explorer MCP Server (caseyjhand.com)
CategoryFinance & crypto
Sign-inNone — public data only
Available in gateYes — one-click connect
Works withClaude, ChatGPT, Cursor & any MCP client
FAQ

Questions, answered

Is there an official Nonprofit Explorer MCP Server MCP server?

Yes — Nonprofit Explorer MCP Server operates its own remote MCP server at nonprofit-explorer.caseyjhand.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.

How do I connect Nonprofit Explorer MCP Server to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick Nonprofit Explorer MCP Server in the directory. No account or sign-in is needed. From then on, Nonprofit Explorer MCP Server's tools are available in every client you've connected to gate.

Do I need to host anything?

No. Nonprofit Explorer MCP Server runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the Nonprofit Explorer MCP Server MCP server safe to connect?

It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.

Is it free?

Yes — you can get started with gate for free and connect Nonprofit Explorer MCP Server in minutes. No credit card required.

More servers

Connect more than just Nonprofit Explorer MCP Server

Every server below works through the same gateway URL — connect once, add tools anytime.

Set up Nonprofit Explorer MCP Server in: Claude · Claude Code · ChatGPT · Cursor · VS Code

Give your AI Nonprofit Explorer MCP Server — safely.

One URL. All MCPs. Full control. Free to start.

Get started free