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Summary
Holded — the Spanish SMB business suite: contacts, sales and purchase documents, products, warehouses, treasury accounts and CRM funnels. REST API v1, API-key auth.
Try asking
Example prompts for Holded
Click any prompt to copy it. Paste into Claude, ChatGPT, Cursor, Gemini, Copilot or OpenClaw to run it against this connector.
Claude is AI and can make mistakes. Please double-check responses.
💡 No install? Use cloud.anythingmcp.com directly. Sign in, click Connectors → Holded, paste your credentials, mint an MCP API key — done. No Docker, no
git clone, no local server.
Holded + Meta Muse
Holded — the Spanish SMB business suite: contacts, sales and purchase documents, products, warehouses, treasury accounts and CRM funnels. REST API v1, API-key auth.
Prerequisites
See the full setup instructions baked into the connector (visible in the in-app store when you select the connector). The required environment variables for this connector are:
HOLDED_API_KEY
Step 1 — Get credentials
Getting a key
- Sign in to Holded and open Configuración → Desarrolladores → API key (Settings → Developers).
- Generate a key and put it in
HOLDED_API_KEY. The key belongs to the account, not to a user, and carries full access to every module you have subscribed to — treat it as a password.
The key travels in a key header. Not Authorization, not a query parameter. Holded's own documentation calls it simply key.
This adapter uses Holded's v1 API (/api/invoicing/v1, /api/crm/v1), which is still served. Holded's current developer site documents a newer v2 API with Authorization: Bearer and different paths; this adapter does not use it.
…(continued in the in-app connector instructions)
Step 2 — Install the adapter
curl -fsSL https://raw.githubusercontent.com/HelpCode-ai/anythingmcp/main/docker-compose.quickstart.yml -o docker-compose.yml
printf 'JWT_SECRET=%s\nENCRYPTION_KEY=%s\n' "$(openssl rand -hex 32)" "$(openssl rand -hex 32)" > .env
docker compose up -d
Step 3 — Add the connector in Muse
Your server URL: in AnythingMCP, open MCP Servers → the server this connector is on, and copy its URL (
https://cloud.anythingmcp.com/mcp/…). Use it wherever this guide showsYOUR_SERVER_ID.
Muse adds remote MCP servers as custom connectors and signs in to them with OAuth.
- In Muse, open Settings → Connectors and choose Add custom connector.
- Paste the MCP server URL
https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID. - Muse opens the AnythingMCP sign-in page: sign in and approve access.
- In a chat, ask Muse for something that needs the
Holdedtools.
You can also set it up from a chat, on the web, in the iOS and Android apps or in WhatsApp. Send Muse this message:
Create a Custom Connector for a new remote MCP server, then connect to it:
Name: AnythingMCP
Transport: remote streamable HTTP
URL: https://cloud.anythingmcp.com/mcp/YOUR_SERVER_ID
Auth: OAuth
Self-hosting? Use your instance's public HTTPS address instead of https://cloud.anythingmcp.com. Muse connects from Meta's cloud, so localhost does not work.
Available tools
| Tool | What it does |
|---|---|
holded_list_contacts | List contacts — customers, suppliers, leads — with their name, NIF/CIF, e-mail, address and the type flags that say which role they hold |
holded_get_contact | Read one contact in full: tax data, billing address, payment terms, default VAT rate and the notes recorded against them |
holded_list_documents | List documents of one type — invoices, estimates, credit notes, purchase orders — with their number, date, contact, total and payment status |
holded_get_document | Read one document in full: every line with its quantity, price, discount and VAT, the totals, and the payments applied against it |
holded_list_products | List products and services with their SKU, name, price, cost, VAT rate and stock level |
holded_list_warehouses | List warehouses with their name and location, so a stock question can name the right one |
holded_list_treasury_accounts | List the treasury accounts (bank and cash) with their name, IBAN and current balance — the cash-position answer |
holded_list_funnels | List the CRM funnels with their stages, so a pipeline question knows which stages exist before asking about leads in them |
holded_list_leads | List CRM leads with their name, contact, value, funnel stage and expected close date — the sales-pipeline view |
FAQ
Where is Muse available? Meta currently offers Muse in the US and Canada, on the web, in the iOS and Android apps and in WhatsApp.
Does Meta review this connector? No. Meta doesn't review custom connectors. Muse sees only the tools you switched on for this MCP server in AnythingMCP, and you can disconnect it anytime under Settings → Connectors.
Next steps
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