Charity Navigator MCP Server
Search and evaluate US nonprofits — get charity ratings, financial health, advisories and cause data from any AI agent.
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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 via 6 tools. Search and evaluate US nonprofits — get charity ratings, financial health, advisories and cause data from any AI agent. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (6)
Tools for your AI Agents to operate Charity Navigator
Ask your AI agent "Find the top-rated education charities in California." and get the answer without opening a single dashboard. With 6 tools connected to real Charity Navigator data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
…and any MCP-compatible client
Charity Navigator MCP Server capabilities
6 toolsUseful for identifying charities with governance, financial or operational concerns. Get all organizations with active advisories
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
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
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
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
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 the Charity Navigator MCP Server 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 about the Charity Navigator MCP Server
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.
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.
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.
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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Connect Charity Navigator with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
Anthropic's native desktop app for Claude with built-in MCP support.
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Anthropic's agentic CLI for terminal-first development.
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Give your AI agents the power of Charity Navigator MCP Server
Production-grade Charity Navigator MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.