Bring Charity
to Google ADK
Create your Vinkius account to connect Charity Navigator to Google ADK and start using all 6 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
Compatible with every major AI agent and IDE
What is the Charity Navigator MCP Server?
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
- Subscribe to this server
- Enter your Charity Navigator App ID and App Key (free registration)
- 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
Built-in capabilities (6)
Useful 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
Why Google ADK?
Google ADK natively supports Charity Navigator as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 6 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
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Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
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Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Charity Navigator
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Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
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Seamless integration with Google Cloud services means you can combine Charity Navigator tools with BigQuery, Vertex AI, and Cloud Functions
Charity Navigator in Google ADK
Why run Charity Navigator with Vinkius?
The Charity Navigator connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 6 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.

* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.




Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Charity Navigator using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Charity Navigator and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Charity Navigator to Google ADK through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Charity Navigator for Google ADK
Every request between Google ADK and Charity Navigator is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
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.
How does Google ADK connect to MCP servers?
Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.
Can ADK agents use multiple MCP servers?
Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.
Which Gemini models work best with MCP tools?
Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.
McpToolset not found
Update: pip install --upgrade google-adk
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