Bring Invoicing
to Claude Desktop
Learn how to connect Holded to Claude Desktop and start using 12 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Holded MCP Server?
Connect your Holded account to any AI agent and take full control of your business operations and ERP workflows through natural conversation.
What you can do
- Sales Lifecycle — Manage everything from quotes and sales orders to invoices and credit notes programmatically
- Purchase Tracking — Monitor supplier relationships and manage purchase orders and invoices with ease
- CRM & Contacts — Organize your customer base, inventory products, and business expenses in one centralized hub
- Treasury & Payments — Monitor payments, treasury accounts, and financial health directly through your agent
- Inventory Control — List and manage products and stock levels to ensure your business never misses a beat
How it works
1. Subscribe to this server
2. Generate an API Key in your Holded settings (Settings > Developers)
3. Start managing your business accounting and CRM from Claude, Cursor, or any MCP client
No more digging through complex ERP menus to find a customer balance or create a quick invoice. Your AI acts as your dedicated business administrator.
Who is this for?
- Small to Medium Businesses — streamline daily operations and billing without manually entering every record
- Accountants & Controllers — quickly retrieve financial reports, unpaid invoices, and expense summaries
- Operations Managers — maintain inventory levels and manage supplier relationships through automated queries
Built-in capabilities (12)
Requires contact ID and items. Create a new invoice
List CRM contacts
List all credit notes
List business expenses
List all sales invoices
List recent payments
List inventory products
List purchase invoices
List purchase orders
List all quotes
List all sales orders
List active webhooks
Why Claude Desktop?
Claude Desktop is the definitive way to connect Holded to your AI workflow. Add Vinkius Edge URL to your config, restart the app, and Claude immediately exposes all 12 tools in the chat interface. ask a question, Claude calls the right tool, and you see the answer. Zero code, zero context switching.
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Claude Desktop is the reference MCP client. it was designed alongside the protocol itself, ensuring the most complete and stable MCP implementation available
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Zero-code configuration: add a server URL to a JSON file and Claude instantly discovers and exposes all available tools in the chat interface
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Claude's extended thinking capability lets it reason through multi-step tool usage, chaining multiple API calls to answer complex questions
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Enterprise-grade security with local config storage. your tokens never leave your machine, and connections go directly to Vinkius Edge network
Holded in Claude Desktop
Holded and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Holded to Claude Desktop through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Holded in Claude Desktop
The Holded 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. All 12 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Claude Desktop 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, zero maintenance.
* 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
How Vinkius secures
Holded for Claude Desktop
Every tool call from Claude Desktop to the Holded MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Where do I find my API Key?
You can generate your API key inside your Holded account under Settings > Developers.
Does the integration support inventory management?
Yes, you can list and manage products, variants, and stock levels using the list_products and related tools.
Can I create invoices automatically with my AI agent?
Yes, the server includes tools to create sales invoices, quotes, and credit notes by providing the necessary customer and item details.
How does Claude Desktop discover MCP tools?
When Claude Desktop starts, it reads the claude_desktop_config.json file and connects to each configured MCP server. It calls the tools/list endpoint to fetch the schema for every available tool, then surfaces them as clickable options in the chat interface via the 🔌 icon.
What happens if the MCP server is temporarily unavailable?
Claude Desktop handles disconnections gracefully. if the server is unreachable at startup, the tools simply won't appear. Once the server becomes available again, restarting Claude Desktop will re-establish the connection. There is no timeout penalty or error loop.
Can I connect multiple MCP servers simultaneously?
Yes. You can add as many servers as you need in the mcpServers section of the config file. Each server appears as a separate tool provider, and Claude can use tools from multiple servers in a single conversation turn.
Is there a limit on the number of tools per server?
Claude Desktop can handle hundreds of tools per server. However, for optimal LLM performance, Vinkius servers are designed to expose focused, well-documented tool sets rather than overwhelming the model with too many options.
Does Claude Desktop support Streamable HTTP transport?
Yes. Claude Desktop supports both SSE (Server-Sent Events) and the newer Streamable HTTP transport that Vinkius uses. Simply provide the server URL. Claude auto-negotiates the transport protocol.
Server not appearing after restart
Ensure the JSON is valid (no trailing commas). Check the file path: ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\\Claude\\ (Windows).
Authentication error
Verify your Vinkius token is correct. Go to cloud.vinkius.com to regenerate it if needed.
Tools not showing in chat
Click the 🔌 icon at the bottom of the chat input. If it shows 0 tools, the server may still be connecting. wait a few seconds.