Candid (GuideStar) MCP Server for Mastra AI 10 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Candid (GuideStar) through Vinkius and Mastra agents discover all tools automatically. type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token. get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"candid-guidestar": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Candid (GuideStar) Agent",
instructions:
"You help users interact with Candid (GuideStar) " +
"using 10 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Candid (GuideStar)?"
);
console.log(result.text);
}
main();
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
About Candid (GuideStar) MCP Server
Connect your Candid (formerly GuideStar) account to any AI agent and orchestrate your non-profit research, due diligence, and philanthropic data workflows through natural conversation.
Mastra's agent abstraction provides a clean separation between LLM logic and Candid (GuideStar) tool infrastructure. Connect 10 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
What you can do
- Organization Oversight — Search for non-profits by name, location, or NTEE code and retrieve basic metadata using the Essentials API.
- Deep-Dive Profiles — Access comprehensive data (Premier tier) including mission statements, leadership, and detailed financials.
- Charity Compliance — Verify IRS tax-exempt status and eligibility to receive tax-deductible contributions using the Charity Check tool.
- Financial Auditing — Retrieve detailed financial records and IRS Form 990 data straight from your workspace.
- Demographics Analysis — Access diversity, equity, and inclusion (DEI) data for organizations to inform your philanthropic strategy.
- Organization Discovery — Use the EIN (Employer Identification Number) as a primary key to fetch 760+ data fields for individual entities.
The Candid (GuideStar) MCP Server exposes 10 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect Candid (GuideStar) to Mastra AI via MCP
Follow these steps to integrate the Candid (GuideStar) MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 10 tools from Candid (GuideStar) via MCP
Why Use Mastra AI with the Candid (GuideStar) MCP Server
Mastra AI provides unique advantages when paired with Candid (GuideStar) through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Candid (GuideStar) without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every Candid (GuideStar) tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Candid (GuideStar) + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Candid (GuideStar) MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Candid (GuideStar), process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Candid (GuideStar) as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Candid (GuideStar) on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Candid (GuideStar) tools alongside other MCP servers
Candid (GuideStar) MCP Tools for Mastra AI (10)
These 10 tools become available when you connect Candid (GuideStar) to Mastra AI via MCP:
get_charity_check_pdf
Generate a PDF report for compliance record-keeping
get_demographics
Get DEI data for a nonprofit
get_grant_details
Get specific details for a grant
get_nonprofit_eligibility
Verify nonprofit eligibility for specific donation platforms
get_nonprofit_essentials
Get core details for a nonprofit by EIN
get_nonprofit_news
Get real-time social sector news related to a nonprofit
get_nonprofit_premier
Get comprehensive deep-dive data for a nonprofit by EIN
search_grants
Search for grants awarded by foundations
search_nonprofits
Search for nonprofits using filters
verify_charity_status
Verify an organization's eligibility to receive tax-deductible contributions
Example Prompts for Candid (GuideStar) in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Candid (GuideStar) immediately.
"Search for non-profits in 'Miami' with the name 'Red Cross'."
"Get detailed financial info for EIN 13-162xxxx."
"Verify the charity status for EIN 52-153xxxx."
Troubleshooting Candid (GuideStar) MCP Server with Mastra AI
Common issues when connecting Candid (GuideStar) to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpCandid (GuideStar) + Mastra AI FAQ
Common questions about integrating Candid (GuideStar) MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.Can Mastra agents use tools from multiple servers?
Does Mastra support workflow orchestration?
Connect Candid (GuideStar) with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Purpose-built IDE for agentic AI coding workflows.
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Anthropic's agentic CLI for terminal-first development.
Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect Candid (GuideStar) to Mastra AI
Get your token, paste the configuration, and start using 10 tools in under 2 minutes. No API key management needed.