Voila Groceries MCP server

Voila MCP

Voila MCP is a Model Context Protocol server for safe personal Voila grocery automation. It exposes small, auditable tools for product search, category browsing, discounts, delivery slots, cart deltas, and completed order history without exposing checkout or order placement.

Published on npm as @firfi/voila-mcp. The repository also includes @firfi/voila-sdk and @firfi/voila-cli.

Packages

• packages/voila-sdk: @firfi/voila-sdk, the TypeScript SDK for Voila sessions, search, categories, cart, order history, slots, and checkout-readiness helpers.
• packages/voila-mcp: @firfi/voila-mcp, a stdio MCP server exposing small auditable tools.
• packages/voila-cli: @firfi/voila-cli, a user CLI that reuses the MCP operation registry.

The root package is private. Publishable packages live under packages/.

MCP Setup

Voila does not publish a documented third-party customer API. This server uses the same same-origin JSON endpoints as the web app, so authenticated use is session-based. Capture a session interactively with the CLI; do not store a Voila password in MCP config.

{
  "mcpServers": {
    "voila": {
      "command": "npx",
      "args": ["-y", "@firfi/voila-mcp"],
      "env": {
        "VOILA_AUTH_SESSION_PATH": "/absolute/path/to/session.json"
      }
    }
  }
}

If the session is missing, expired, or guest-only, tool results include authGuidance with the exact CLI login command to run. The MCP server itself does not launch a browser. A login performed while the server is running takes effect on its next tool call, without a restart.

With an explicit VOILAAUTHSESSIONPATH and guest mode off, the MCP server also runs a read-only authenticated-session keepalive. Set VOILAKEEPALIVE=0 to disable it; VOILAKEEPALIVEINTERVAL_SECONDS defaults to 86400 seconds and must be at least 3600. The keepalive never bootstraps a guest and stops as misconfigured if its configured session snapshot disappears.

Tools

• voilachecksession_health: report active, guest, expired, or retryable session state.
• voilagetactiveshoppingcontext: read current region, destination, delivery method, and cart context.
• voilagetslot_listings: list delivery slots for an explicit destination and region.
• voilareserveslot: reserve a caller-selected slot only with explicit confirmation flags.
• voilasearchproducts: search products for the current session context.
• voilagetcategory_products: fetch products for a Voila category id.
• voilagetdiscounted_products: scan promotions and return meaningful discounted products.
• voilagetcompleted_orders: read completed orders with cursor pagination.
• voilagetorder_details: read item-level details for one completed order.
• voilagetcompletedorderitems: aggregate previously ordered items across completed orders.
• voilagetcart: read active cart totals, limited items, unavailable data, and pricing notices.
• voilaaddcart_items: add quantity deltas using Voila product UUIDs.

Shortened. The full README is on GitHub.