Karbon MCP Server for Mastra AI 12 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect Karbon 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: {
"karbon": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Karbon Agent",
instructions:
"You help users interact with Karbon " +
"using 12 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Karbon?"
);
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 Karbon MCP Server
Connect your Karbon account to any AI agent to streamline your accounting firm's operations. This MCP server allows your agent to interact with Karbon's powerful workflow and practice management features.
Mastra's agent abstraction provides a clean separation between LLM logic and Karbon tool infrastructure. Connect 12 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
- Contact Management — List, retrieve, and create contacts (both People and Organizations) to maintain a clean CRM
- Workflow Automation — List and create work items, projects, and tasks to keep track of every engagement
- Staff Visibility — Query users and firm members to identify assignees and team availability
- Note Inspection — Access historical notes and comments recorded against any contact profile
- Work Progress — Get detailed status updates and metadata for specific work items and associated tasks
The Karbon MCP Server exposes 12 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 Karbon to Mastra AI via MCP
Follow these steps to integrate the Karbon 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 12 tools from Karbon via MCP
Why Use Mastra AI with the Karbon MCP Server
Mastra AI provides unique advantages when paired with Karbon through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Karbon 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 Karbon 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
Karbon + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Karbon MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Karbon, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Karbon as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Karbon on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Karbon tools alongside other MCP servers
Karbon MCP Tools for Mastra AI (12)
These 12 tools become available when you connect Karbon to Mastra AI via MCP:
create_contact
Requires a name and contact type (Person or Organization). Create a new contact in Karbon
create_work_item
Requires a title and a work type. Create a new work item (project)
get_contact
Get detailed information for a specific contact
get_work_item
Get details for a specific work item
list_contact_notes
List notes for a specific contact
list_contacts
Useful for a broad overview of clients and associates. List all contacts (Organizations and People)
list_organizations
). List only organizational contacts
list_people
). List only individual people contacts
list_users
Use this to identify assignees or firm members. List all users in the Karbon firm
list_work_items
Use this to track firm workflows and engagements. List all work items (workflows)
list_work_tasks
List tasks for a specific work item
update_work_item
Update an existing work item
Example Prompts for Karbon in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Karbon immediately.
"List all my organizational contacts in Karbon."
"Show me the tasks for the work item with key 'WORK_123'."
"Create a new organization contact named 'Tech Pioneers'."
Troubleshooting Karbon MCP Server with Mastra AI
Common issues when connecting Karbon to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpKarbon + Mastra AI FAQ
Common questions about integrating Karbon 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 Karbon 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.
AI-first code editor with integrated LLM-powered coding assistance.
GitHub Copilot in VS Code with Agent mode and MCP support.
Purpose-built IDE for agentic AI coding workflows.
Autonomous AI coding agent that runs inside VS Code.
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 Karbon to Mastra AI
Get your token, paste the configuration, and start using 12 tools in under 2 minutes. No API key management needed.