Home Explore Connect Playground Lint Quality mcpx Docs About

MCP Playground

The interactive playground for Model Context Protocol. Browse servers, inspect tools, and run them live in your browser.

Links

Home
Browse Registry
Connect a Server
Playground
Schema Linter
Quality Dashboard
Docs
CLI & CI
About

Resources

GitHub (Playground) →
GitHub (mcpx CLI) →
@samsec/mcpx on npm →
CLI & CI Docs →
MCP Registry →
MCP Docs →

© 2026 MCP Playground — Not affiliated with Anthropic or the MCP project.

Built on the official MCP Registry

Back to Explore

IRS 990 Nonprofit Data

v1.1.0Live · No Auth

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

Remote Endpoint

https://mcp.olyport.com/irs-990/mcp

Checking...

Inspect & Test Live Inspect Only

Quality Report

Package ID

com.olyport/irs-990

Version

1.1.0

IRS 990 Nonprofit Data — MCP Playground