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jeanmarcos / msi-core

jeanmarcos-dev

Multi-Source Inventory as the single inventory system for Magento Open Source: one code path for every stock, no special Default Stock, and the cataloginventory_* tables no longer read or written. Derived from magento/inventory (Copyright Adobe), redistributed under AFL-3.0. Not affiliated with or e

Package info

github.com/jeanmarcos-dev/msi-core

pkg:composer/jeanmarcos/msi-core

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Statistics

Installs: 5

Dependents: 0

Suggesters: 0

Stars: 2

Open Issues: 0

1.1.2 2026-10-17 22:03 UTC

Requires

  • php: ~8.3.0||~8.4.0||~8.5.0
  • magento/framework: >=103.0.9 <103.0.10
  • magento/framework-message-queue: *
  • magento/module-asynchronous-operations: *
  • magento/module-authorization: *
  • magento/module-backend: *
  • magento/module-bundle: *
  • magento/module-bundle-import-export: *
  • magento/module-catalog: *
  • magento/module-catalog-import-export: *
  • magento/module-catalog-inventory: *
  • magento/module-catalog-rule: *
  • magento/module-catalog-search: *
  • magento/module-checkout: *
  • magento/module-config: *
  • magento/module-configurable-product: *
  • magento/module-customer: *
  • magento/module-directory: *
  • magento/module-eav: *
  • magento/module-graph-ql: *
  • magento/module-grouped-product: *
  • magento/module-import-export: *
  • magento/module-integration: *
  • magento/module-page-cache: *
  • magento/module-product-alert: *
  • magento/module-quote: *
  • magento/module-quote-graph-ql: *
  • magento/module-reports: *
  • magento/module-sales: *
  • magento/module-sales-inventory: *
  • magento/module-shipping: *
  • magento/module-store: *
  • magento/module-ui: *
  • magento/module-user: *
  • magento/module-webapi: *

Requires (Dev)

None

Suggests

None

Provides

None

Conflicts

Replaces

  • mage-os/module-inventory: *
  • mage-os/module-inventory-adjustment: *
  • mage-os/module-inventory-adjustment-admin-ui: *
  • mage-os/module-inventory-adjustment-api: *
  • mage-os/module-inventory-admin-ui: *
  • mage-os/module-inventory-advanced-checkout: *
  • mage-os/module-inventory-api: *
  • mage-os/module-inventory-bundle-import-export: *
  • mage-os/module-inventory-bundle-product: *
  • mage-os/module-inventory-bundle-product-admin-ui: *
  • mage-os/module-inventory-bundle-product-indexer: *
  • mage-os/module-inventory-cache: *
  • mage-os/module-inventory-catalog: *
  • mage-os/module-inventory-catalog-admin-ui: *
  • mage-os/module-inventory-catalog-api: *
  • mage-os/module-inventory-catalog-frontend-ui: *
  • mage-os/module-inventory-catalog-rule: *
  • mage-os/module-inventory-catalog-search: *
  • mage-os/module-inventory-catalog-search-bundle-product: *
  • mage-os/module-inventory-catalog-search-configurable-product: *
  • mage-os/module-inventory-configurable-product: *
  • mage-os/module-inventory-configurable-product-admin-ui: *
  • mage-os/module-inventory-configurable-product-frontend-ui: *
  • mage-os/module-inventory-configurable-product-indexer: *
  • mage-os/module-inventory-configuration: *
  • mage-os/module-inventory-configuration-api: *
  • mage-os/module-inventory-distance-based-source-selection: *
  • mage-os/module-inventory-distance-based-source-selection-admin-ui: *
  • mage-os/module-inventory-distance-based-source-selection-api: *
  • mage-os/module-inventory-elasticsearch: *
  • mage-os/module-inventory-export-stock: *
  • mage-os/module-inventory-export-stock-api: *
  • mage-os/module-inventory-graph-ql: *
  • mage-os/module-inventory-grouped-product: *
  • mage-os/module-inventory-grouped-product-admin-ui: *
  • mage-os/module-inventory-grouped-product-indexer: *
  • mage-os/module-inventory-import-export: *
  • mage-os/module-inventory-in-store-pickup: *
  • mage-os/module-inventory-in-store-pickup-admin-ui: *
  • mage-os/module-inventory-in-store-pickup-api: *
  • mage-os/module-inventory-in-store-pickup-frontend: *
  • mage-os/module-inventory-in-store-pickup-graph-ql: *
  • mage-os/module-inventory-in-store-pickup-multishipping: *
  • mage-os/module-inventory-in-store-pickup-quote: *
  • mage-os/module-inventory-in-store-pickup-quote-graph-ql: *
  • mage-os/module-inventory-in-store-pickup-sales: *
  • mage-os/module-inventory-in-store-pickup-sales-admin-ui: *
  • mage-os/module-inventory-in-store-pickup-sales-api: *
  • mage-os/module-inventory-in-store-pickup-shipping: *
  • mage-os/module-inventory-in-store-pickup-shipping-admin-ui: *
  • mage-os/module-inventory-in-store-pickup-shipping-api: *
  • mage-os/module-inventory-in-store-pickup-webapi-extension: *
  • mage-os/module-inventory-indexer: *
  • mage-os/module-inventory-low-quantity-notification: *
  • mage-os/module-inventory-low-quantity-notification-admin-ui: *
  • mage-os/module-inventory-low-quantity-notification-api: *
  • mage-os/module-inventory-multi-dimensional-indexer-api: *
  • mage-os/module-inventory-product-alert: *
  • mage-os/module-inventory-quote-graph-ql: *
  • mage-os/module-inventory-reservation-cli: *
  • mage-os/module-inventory-reservations: *
  • mage-os/module-inventory-reservations-api: *
  • mage-os/module-inventory-sales: *
  • mage-os/module-inventory-sales-admin-ui: *
  • mage-os/module-inventory-sales-api: *
  • mage-os/module-inventory-sales-async-order: *
  • mage-os/module-inventory-sales-frontend-ui: *
  • mage-os/module-inventory-setup-fixture-generator: *
  • mage-os/module-inventory-shipping: *
  • mage-os/module-inventory-shipping-admin-ui: *
  • mage-os/module-inventory-source-deduction-api: *
  • mage-os/module-inventory-source-selection: *
  • mage-os/module-inventory-source-selection-api: *
  • mage-os/module-inventory-stock-visualizer: *
  • mage-os/module-inventory-swatches-frontend-ui: *
  • mage-os/module-inventory-visual-merchandiser: *
  • mage-os/module-inventory-wishlist: *
  • magento/module-inventory: *
  • magento/module-inventory-adjustment: *
  • magento/module-inventory-adjustment-admin-ui: *
  • magento/module-inventory-adjustment-api: *
  • magento/module-inventory-admin-ui: *
  • magento/module-inventory-advanced-checkout: *
  • magento/module-inventory-api: *
  • magento/module-inventory-bundle-import-export: *
  • magento/module-inventory-bundle-product: *
  • magento/module-inventory-bundle-product-admin-ui: *
  • magento/module-inventory-bundle-product-indexer: *
  • magento/module-inventory-cache: *
  • magento/module-inventory-catalog: *
  • magento/module-inventory-catalog-admin-ui: *
  • magento/module-inventory-catalog-api: *
  • magento/module-inventory-catalog-frontend-ui: *
  • magento/module-inventory-catalog-rule: *
  • magento/module-inventory-catalog-search: *
  • magento/module-inventory-catalog-search-bundle-product: *
  • magento/module-inventory-catalog-search-configurable-product: *
  • magento/module-inventory-configurable-product: *
  • magento/module-inventory-configurable-product-admin-ui: *
  • magento/module-inventory-configurable-product-frontend-ui: *
  • magento/module-inventory-configurable-product-indexer: *
  • magento/module-inventory-configuration: *
  • magento/module-inventory-configuration-api: *
  • magento/module-inventory-distance-based-source-selection: *
  • magento/module-inventory-distance-based-source-selection-admin-ui: *
  • magento/module-inventory-distance-based-source-selection-api: *
  • magento/module-inventory-elasticsearch: *
  • magento/module-inventory-export-stock: *
  • magento/module-inventory-export-stock-api: *
  • magento/module-inventory-graph-ql: *
  • magento/module-inventory-grouped-product: *
  • magento/module-inventory-grouped-product-admin-ui: *
  • magento/module-inventory-grouped-product-indexer: *
  • magento/module-inventory-import-export: *
  • magento/module-inventory-in-store-pickup: *
  • magento/module-inventory-in-store-pickup-admin-ui: *
  • magento/module-inventory-in-store-pickup-api: *
  • magento/module-inventory-in-store-pickup-frontend: *
  • magento/module-inventory-in-store-pickup-graph-ql: *
  • magento/module-inventory-in-store-pickup-multishipping: *
  • magento/module-inventory-in-store-pickup-quote: *
  • magento/module-inventory-in-store-pickup-quote-graph-ql: *
  • magento/module-inventory-in-store-pickup-sales: *
  • magento/module-inventory-in-store-pickup-sales-admin-ui: *
  • magento/module-inventory-in-store-pickup-sales-api: *
  • magento/module-inventory-in-store-pickup-shipping: *
  • magento/module-inventory-in-store-pickup-shipping-admin-ui: *
  • magento/module-inventory-in-store-pickup-shipping-api: *
  • magento/module-inventory-in-store-pickup-webapi-extension: *
  • magento/module-inventory-indexer: *
  • magento/module-inventory-low-quantity-notification: *
  • magento/module-inventory-low-quantity-notification-admin-ui: *
  • magento/module-inventory-low-quantity-notification-api: *
  • magento/module-inventory-multi-dimensional-indexer-api: *
  • magento/module-inventory-product-alert: *
  • magento/module-inventory-quote-graph-ql: *
  • magento/module-inventory-reservation-cli: *
  • magento/module-inventory-reservations: *
  • magento/module-inventory-reservations-api: *
  • magento/module-inventory-sales: *
  • magento/module-inventory-sales-admin-ui: *
  • magento/module-inventory-sales-api: *
  • magento/module-inventory-sales-async-order: *
  • magento/module-inventory-sales-frontend-ui: *
  • magento/module-inventory-setup-fixture-generator: *
  • magento/module-inventory-shipping: *
  • magento/module-inventory-shipping-admin-ui: *
  • magento/module-inventory-source-deduction-api: *
  • magento/module-inventory-source-selection: *
  • magento/module-inventory-source-selection-api: *
  • magento/module-inventory-stock-visualizer: *
  • magento/module-inventory-swatches-frontend-ui: *
  • magento/module-inventory-visual-merchandiser: *
  • magento/module-inventory-wishlist: *

AFL-3.0 756ca54fd4a252312bb4eb0ac66fdc1896ed76cc

inventorystockmagentoMSImagento2mage-osmulti-source-inventory

Published on Packagist.org on 2026-10-17 22:04 UTC

This package is auto-updated.

Last update: 2026-10-17 22:04:09 UTC

README

Multi-Source Inventory as the only inventory system in Magento Open Source.

Documentation: jeanmarcos-dev.github.io/msi-core

Upstream MSI ships with a second inventory system underneath it. The Default Stock is not a stock: inventory_stock_1 is a MySQL view over cataloginventory_stock_status, the MSI indexer skips stock 1 on purpose, and composite salability for that stock is computed by the legacy CatalogInventory indexer. Around fifty if ($stockId === $defaultStockId) branches across twenty modules keep the two worlds apart, each with its own data path.

msi-core removes that split. Stock 1 is indexed, configured, edited and deleted like a stock you create yourself, the composite indexers cover it, and the cataloginventory_* tables are neither read nor written by MSI. On top of that single code path it adds source-level reservations, salable quantity broken down by source, an adjustment history of every stock change and a storefront stock visualizer.

Which package do I install?

Package Repository Magento PHP Drop-in
jeanmarcos/inventory:2.4.7.* jeanmarcos-dev/inventory 2.4.7 8.1 – 8.3 yes
jeanmarcos/inventory:2.4.8.* jeanmarcos-dev/inventory 2.4.8 8.2 – 8.4 yes
jeanmarcos/inventory:2.4.9.* jeanmarcos-dev/inventory 2.4.9 8.3 – 8.5 yes
jeanmarcos/msi-core:^1.0 jeanmarcos-dev/msi-core 2.4.9 8.3 – 8.5 no

Mage-OS 3.x, which tracks Magento 2.4.9, is supported. Pick jeanmarcos/inventory for the curated fixes and nothing else; pick msi-core for one inventory system instead of two, at the cost of a schema migration. Why msi-core compares them.

Install

composer config repositories.msi-core vcs https://github.com/jeanmarcos-dev/msi-core
composer require "jeanmarcos/msi-core:^1.0"

On a store with data this is a schema migration with no downgrade path. Read Upgrade from Magento MSI before running setup:upgrade, and Install for the full steps.

Documentation

The site is built from docs/. For MSI itself (concepts, REST API, admin walkthroughs) Adobe's documentation still applies, since the module names, namespaces and service contracts are unchanged.

Contributing

Issues and pull requests are welcome at jeanmarcos-dev/msi-core, for the drop-in lines too. See Contributing and CODE_OF_CONDUCT.md.

License and attribution

This is a modified derivative of magento/inventory (Copyright Adobe), redistributed under AFL-3.0. Files derived from upstream keep Adobe's original copyright and license notices; files original to this fork carry their own copyright under OSL-3.0 / AFL-3.0. See LICENSE_AFL.txt and NOTICE.

Not affiliated with, endorsed by, or supported by Adobe. Magento and Adobe Commerce are trademarks of Adobe Inc.