IRS 990 Nonprofit Data for Grok
com.olyport/irs-990
Nonprofit lookup and IRS 990 filing data: revenue, assets, and compensation via ProPublica
client:Grok
transport:streamable-http
tools:3
Install IRS 990 Nonprofit Data in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"irs-990": {
"type": "http",
"url": "https://mcp.olyport.com/irs-990/mcp"
}
}
}Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs