Sellsy 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 Sellsy through the 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: {
"sellsy": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "Sellsy Agent",
instructions:
"You help users interact with Sellsy " +
"using 12 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with Sellsy?"
);
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 Sellsy MCP Server
Connect the Sellsy CRM API to your AI workflow to unlock conversational oversight over your entire French-designed commercial hub. By providing exactly Read-Only access, your agent can securely map ongoing deals, review invoice payment statuses, and fetch complete dossiers on existing catalog items and contacts.
Mastra's agent abstraction provides a clean separation between LLM logic and Sellsy tool infrastructure. Connect 12 tools through the 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
- Client & Prospecting Analysis — Use natural language to search companies, retrieve full metadata via
company_id, and pull associated granular contacts directly into the conversational context - Sales Pipeline Auditing — Ask the agent to list all active 'opportunities' and drill down into a specific Deal ID to review its exact stage and monetary potential
- Billing Integrity — Prompt your LLM to sweep your current draft, sent, and overdue invoices, including exact estimates given out recently to big leads
- CRM Activity Surveillance — Seamlessly extract chronological activity feeds (meetings, calls, tasks) to compile end-of-week reporting automatically
The Sellsy 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 Sellsy to Mastra AI via MCP
Follow these steps to integrate the Sellsy 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 Sellsy via MCP
Why Use Mastra AI with the Sellsy MCP Server
Mastra AI provides unique advantages when paired with Sellsy through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure — add Sellsy 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 Sellsy 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
Sellsy + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the Sellsy MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query Sellsy, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed Sellsy as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query Sellsy on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using Sellsy tools alongside other MCP servers
Sellsy MCP Tools for Mastra AI (12)
These 12 tools become available when you connect Sellsy to Mastra AI via MCP:
get_company
Get detailed information about a specific company
get_contact
Get detailed information about a specific contact
get_deal
Get full details of a specific deal (amount, status, pipeline step, company)
get_invoice
Get full details of a specific invoice (amount, status, due date)
list_activities
List recent CRM activities (calls, emails, meetings, tasks)
list_companies
List all companies (clients, prospects) in the CRM
list_contacts
List all contacts in the CRM
list_deals
List all deals (opportunities) in the sales pipeline
list_estimates
List all estimates (quotes) sent to prospects
list_invoices
List all invoices (draft, sent, paid, overdue)
list_items
List all products and services in the catalog
search_companies
Search companies by name or keyword
Example Prompts for Sellsy in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with Sellsy immediately.
"Identify pending Deals on Sellsy CRM and extract their projected monetary values."
"Pull the contact information and status for the primary user of 'Company XYZ'."
"Summarize the overarching status of my Sellsy invoices list."
Troubleshooting Sellsy MCP Server with Mastra AI
Common issues when connecting Sellsy to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpSellsy + Mastra AI FAQ
Common questions about integrating Sellsy 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 Sellsy 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 Sellsy to Mastra AI
Get your token, paste the configuration, and start using 12 tools in under 2 minutes. No API key management needed.