MCP server

Propublica Nonprofit

io.github.pipeworx-io/propublica-nonprofit

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

ProPublica Nonprofit MCP — ProPublica Nonprofit Explorer API (free, no auth)

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

45

Token cost

About 26,754 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http propublica-nonprofit https://gateway.pipeworx.io/propublica-nonprofit/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.propublica-nonprofit]
url = "https://gateway.pipeworx.io/propublica-nonprofit/mcp"

Gemini CLI

{"mcpServers":{"propublica-nonprofit":{"httpUrl":"https://gateway.pipeworx.io/propublica-nonprofit/mcp"}}}

Cursor

{"mcpServers":{"propublica-nonprofit":{"url":"https://gateway.pipeworx.io/propublica-nonprofit/mcp"}}}

VS Code

{"servers":{"propublica-nonprofit":{"type":"http","url":"https://gateway.pipeworx.io/propublica-nonprofit/mcp"}}}

Antigravity

agy mcp add propublica-nonprofit https://gateway.pipeworx.io/propublica-nonprofit/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"propublica-nonprofit","server_url":"https://gateway.pipeworx.io/propublica-nonprofit/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"propublica-nonprofit","server_url":"https://gateway.pipeworx.io/propublica-nonprofit/mcp"}

Tools

• get_filing ~151 tokens
  Get a specific IRS filing for a nonprofit. Returns financial data from one tax period including revenue, expenses, assets, and liabilities. Example: get_filing(131710957, 202112).
• get_organization ~128 tokens
  Get full nonprofit details by EIN (Employer Identification Number). Returns organization info plus recent IRS filings with revenue, expenses, and assets. Example: get_organization(131710957).
• search_nonprofits ~172 tokens
  Search US nonprofits by name. Returns EIN, name, city, state, revenue, assets, and NTEE code. Example: search_nonprofits("red cross", "NY"). Use get_organization with the EIN for full details.

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• GitHub tools
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