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Use Charity Navigator with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Search and evaluate US nonprofits. get charity ratings, financial health, advisories and cause data from any AI agent.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 6 capabilities

The complete Charity Navigator capability set.

These are the exact actions your AI can choose when you ask it to work with Charity Navigator.

Capability set01 / 02

01-03

3 capabilities in this set.

Part of 6 available through Charity Navigator.

  1. 01

    Get charity ratings

    Returns all historical Charity Navigator ratings with overall score, financial health, accountability, transparency and impact scores. Shows how the charity's rating has changed over time. Get rating history for a specific charity

  2. 02

    Get all advisories

    Useful for identifying charities with governance, financial or operational concerns. Get all organizations with active advisories

  3. 03

    Get categories

    Each category includes its ID, name, parent category and description. Use category IDs to filter charity searches by cause area (e.g. education, health, environment, animal welfare). Get all charity categories and causes

Capability set02 / 02

04-06

3 capabilities in this set.

Part of 6 available through Charity Navigator.

  1. 04

    Get charity

    Returns the charity name, EIN, mission statement, website, address, phone, financial data, tax filings and contact info. Use search_charities to find EINs. Get detailed info for a specific charity by EIN

  2. 05

    Get charity advisories

    Advisories may include issues with financial management, governance or fundraising practices. Optionally filter by status (ALL, ACTIVE, REMOVED). Get advisories/warnings for a specific charity

  3. 06

    Search charities

    Supports powerful filters: free-text search, state, city, zip code, rating (0-4 scale), category/cause, organization size by expenses, and whether the org is rated. Sort by rating, name or relevance. Pagination with pageSize (max 1000) and pageNum (max 10). Returns charity names, EIN, mission, ratings and financial info. Search for charities and nonprofits by name, location or keyword

Observed, not estimated

859ms average. Fast in production.

Charity Navigator is checked daily against the live service.

Daily averagePeak 1087ms
Aug 20Today
Fastest day
693ms
Slowest day
1087ms
14-day trend
Slowing+10%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 6 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Charity Navigator, so you can see the experience inside your AI.

It does not authenticate your account with Charity Navigator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Charity Navigator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_59CbVYMxlLboFIkmWRpsnCbdKyMsg03bMygbwK0x/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Charity Navigator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "charity-navigator-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_59CbVYMxlLboFIkmWRpsnCbdKyMsg03bMygbwK0x/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Charity Navigator owners ask.

  • 01

    How do I get Charity Navigator API credentials?

    Visit charitynavigator.org, register for a free developer account, and you'll receive an App ID and App Key. Both are required for API access.

  • 02

    What does the rating scale mean?

    Charity Navigator rates nonprofits on a 0-4 star scale. 4 stars = exceptional performance, 3 stars = strong, 2 stars = adequate, 1 star = needs improvement, 0 = unrated or flagged. Ratings are based on financial health, accountability and transparency.

  • 03

    How do I search for charities by cause?

    Use get_categories to get all cause/category IDs, then use search_charities with the category_id parameter. Popular categories include education, health, environment, animal welfare, arts & culture, and human services.

  • 04

    What is an EIN?

    EIN stands for Employer Identification Number, a unique 9-digit identifier assigned by the IRS to US nonprofits. It's used as the primary key for looking up specific charities. You can find EINs in search results or on the charity's tax filings.

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