Charity Navigator MCP Server
Search and evaluate US nonprofits — get charity ratings, financial health, advisories and cause data from any AI agent.
Ask AI about this MCP Server
Vinkius AI Gateway supports streamable HTTP and SSE.

Works with every AI agent you already use
…and any MCP-compatible client


















What is the Charity Navigator MCP Server?
The Charity Navigator MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to Charity Navigator. Search and evaluate US nonprofits — get charity ratings, financial health, advisories and cause data from any AI agent. Powered by the Vinkius AI Gateway — no API keys, no infrastructure, connect in under 2 minutes.
Charity Navigator MCP Server: see your AI Agent in action
Built-in capabilities (6)
get_all_advisories
Useful for identifying charities with governance, financial or operational concerns. Get all organizations with active advisories
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
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
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
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
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
What this connector unlocks
Connect to Charity Navigator and access ratings for over 175,000 US nonprofits through natural conversation.
What you can do
- Charity Search — Search nonprofits by name, keyword, location, cause area or rating
- Ratings — Get Charity Navigator's overall rating (0-4 stars) plus financial health and accountability scores
- Organization Details — View mission statements, financials, website, contact info and tax filings
- Rating History — See how a charity's rating has changed over time
- Advisories — Check for warnings and alerts about charities with governance or financial concerns
- Categories — Browse charity categories and causes (education, health, environment, animal welfare, etc.)
How it works
1. Subscribe to this server
2. Enter your Charity Navigator App ID and App Key (free registration)
3. Start evaluating charities from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Donors — research charities before donating and verify their financial health
- Researchers — explore nonprofit ratings, financial data and governance records
- Philanthropists — search by cause area, location and rating to find vetted organizations
Frequently asked questions
Give your AI agents the power of Charity Navigator
Access Charity Navigator and 2,500+ MCP servers — ready for your agents to use, right now. No glue code. No custom integrations. Just plug Vinkius AI Gateway and let your agents work.
