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mcp/harbor
ChatGPT

E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931) for ChatGPT

io.github.nyo-agentti/einvoice-validator

Validate XRechnung, Peppol BIS 3 and EN 16931 invoices with KoSIT; explain rules; check auto-repair

client:ChatGPT transport:streamable-http tools:2

Install E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931) in ChatGPT

Settings → Connectors → Advanced → Developer mode 

https://einvoice-validator-k2qw.onrender.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs

What ChatGPT can do once it is connected

E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931) in other clients

E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931) MCP server