mcp-einvoicing-de (cmendezs/mcp-einvoicing-de) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.

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C
Limited view
71/100
29 days ago

mcp-einvoicing-de

Model Context Protocol (MCP) server for German Electronic Invoicing (ZUGFeRD 2.x / XRechnung 3.x). Provides tools to validate, generate, parse, and convert invoices compliant with EN 16931 and KoSIT.

→ cmendezs/mcp-einvoicing-de· listed on glama

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Limited view: static analysis for XSLT is partially covered.

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Who stands behind it

cmendezs

Source: Glama

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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: EINVOICING_DE_PEPPOL_KEY_PASSWORD
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configEINVOICING_DE_LOG_LEVELLog level (DEBUG, INFO, WARNING, ERROR) INFO
configEINVOICING_DE_KOSIT_ENABLEEINVOICING_DE_KOSIT_VALIDATOR_URL URL of a self-hosted KoSIT validation tool REST endpoint. Only used if cloud validation is enabled — see
configEINVOICING_DE_KOSIT_DISABLE
configEINVOICING_DE_PEPPOL_CERT_PATHPath to the X.509 certificate for Peppol AS4 signing (PEM or DER)
configEINVOICING_DE_PEPPOL_KEY_PATHPath to the private key for Peppol AS4 signing (PEM or DER)
🔐 secretEINVOICING_DE_PEPPOL_KEY_PASSWORDPassword for the private key (if encrypted)
configEINVOICING_KOSIT_ALLOWLIST
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

9/9 tools missing one or more hints — call_tool (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); datev_export (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); invoice_convert (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +6 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool handlers catch errors

Only 0/1 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

Tests exist

No test files found

Add tests that exercise each declared tool.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/cmendezs-mcp-einvoicing-de-16rn89)](https://m8ven.ai/mcp/cmendezs-mcp-einvoicing-de-16rn89)
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commit: 4c89bbbcad37628cbaeefa7f9c306f826dd11acd
code hash: 89872df58c105eb511db1d75a5d3dc83b83d11944e171dab7ea93ed5ad79e622
verified: 8/6/2026, 5:28:27 AM
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