Head to head
Fakto.app — wFirma MCP Server vs Ksef Fa3 Invoice Lint
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
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wFirma.pl (Polish accounting) via MCP: invoices, contractors, payments, reports. Full read-write.
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Finds the lines KSeF will reject in a Polish structured invoice XML, before you send it
Full listingThe short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Ksef Fa3 Invoice Lint (89/100 against 60). Fakto.app — wFirma MCP Server is hosted and callable through the gateway; Ksef Fa3 Invoice Lint runs on your own machine. Ksef Fa3 Invoice Lint has noticeably more public adoption.
| Fakto.app — wFirma MCP Server | Ksef Fa3 Invoice Lint | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | C60/100 | A89/100 |
| Adoption | New | Growing |
| GitHub stars | – | 0 |
| Downloads / week | – | 172 |
| Runs where | Hosted (remote) | Your machine (local) |
| Gateway-ready | Yes | No |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | — | NOASSERTION |
| Last release | — | 2026-09-19 |
| Category | Finance | Finance |