US Nonprofit & Charity Check MCP is answering right now. Last checked 2 min ago. It exposes 3 tools. Last commit 14 Oct 2026.
Check any US charity or nonprofit by name or EIN. Free nonprofit_check tool.
Nothing serious here today
Today is the operative word: we check US Nonprofit & Charity Check MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.
claude mcp add us-nonprofit-check-mcp --transport http https://us-nonprofit-check-mcp.donniertf.workers.dev/mcphttps://us-nonprofit-check-mcp.donniertf.workers.dev/mcp[mcp_servers.us-nonprofit-check-mcp]
url = "https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp"{
"mcpServers": {
"us-nonprofit-check-mcp": {
"url": "https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp"
}
}
}{
"servers": {
"us-nonprofit-check-mcp": {
"type": "http",
"url": "https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp"
}
}
}Available tools 3
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
financials
nonprofit_check
prospect_list
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://us-nonprofit-check-mcp.donniertf.workers.dev/mcp | streamable-http | answering | 134 ms | 2 min ago |
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US Nonprofit & Charity Check MCP — questions
Answers built from our own checks of this server.