MertAGI

MertAGI

MertAGI, Inc.
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About

Coretool is a browser-based invoicing application for German businesses, freelancers, sole traders, tradespeople, and small service businesses. Users can create and manage quotes and invoices, including XRechnung and ZUGFeRD e-invoices, track customers, send payment reminders, and organize appointments. The app supports GiroCode QR codes, digital quote signatures, and validation of e-invoice documents through its REST API. API-based workflows can connect with automation tools such as Make, Zapier, and n8n; availability of some platform-specific modules may depend on approval. Calendar feeds can be added to Google, Apple, or Outlook calendars. The optional Kalkulations-Assistent supports project estimates, material and labor calculations, and quote creation. Coretool runs in a web browser without local installation. Its free plan allows three invoices per month; Solo costs €9/month plus VAT and can be canceled monthly.

About

MertAGI is a cloud-based AI-assisted trade operations platform for businesses that buy and sell goods. Its MAGI assistant supports product and supplier research, market and price comparison, quote requests, negotiation, buyer discovery, order handling, warehouse coordination, shipping documents, invoicing and bookkeeping. Teams can define operating limits and approval thresholds; actions requiring authorization wait for human approval, while decisions and supporting evidence are kept in an audit trail. It also supports company storefronts and marketplace offers. For accounting workflows, it produces DATEV-format booking exports and supports e-invoice formats including XRechnung and ZUGFeRD. MertAGI is aimed at traders, wholesalers and commercial teams coordinating sourcing, procurement and sales.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Businesses, freelancers and sole traders in Germany that need to issue e-invoices (XRechnung, ZUGFeRD)

Audience

Businesses, trading companies, wholesalers, procurement teams, sales teams and operators managing supplier discovery and commercial workflows.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

€0/month
The free plan includes up to 3 invoices per month. Solo costs €9/month plus applicable VAT and can be canceled monthly.
Free Version Supported
Free Trial Not Supported

Pricing

$0; paid plans available
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Coretool
Germany
coretool.de/en

Company Information

MertAGI, Inc.
United States
mertagi.com

Alternatives

E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)

Alternatives

E‑Rechnungs-Studio

E‑Rechnungs-Studio

Casserus UG (haftungsbeschränkt)
xSuite

xSuite

xSuite Group
xSuite

xSuite

xSuite Group
Facturwise

Facturwise

Billio Software Services s.r.o.

Categories

E-Invoicing Supported

Categories

AI Agents Supported

Integrations

Apple Calendar Supported
DATEV Not Supported
Google Calendar Supported
Make Supported
Microsoft Outlook Supported
Zapier Supported
n8n Supported

Integrations

Apple Calendar Not Supported
DATEV Supported
Google Calendar Not Supported
Make Not Supported
Microsoft Outlook Not Supported
Zapier Not Supported
n8n Not Supported
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