MCP, MCP server
io.github.InnarM/blank-invoice-maker
An MCP server that lets any AI assistant (Claude, and other MCP clients) create invoices with Blank Invoice Maker — the free, no-signup, no-watermark invoice generator.
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 165dcce4b263, unchanged since the check below.
INSTALL_LIFECYCLE_HOOK
Why this grade
- INSTALL_LIFECYCLE_HOOK Medium
A package install hook (preinstall, install, postinstall or prepare) runs a script.
package.json, line 20
prepare
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Pass
No shell or command execution found, and no extra permission was declared.
Install and update
Concern
runs a script at install time.
INSTALL_LIFECYCLE_HOOK
package.json, line 20
prepare
Network
Pass
No network call found.
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_UNCONFIRMED
.gitignore, line 4
.DS_Store
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 165dcce4b263. runs a script at install time. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: 165dcce4b263c6cf31d67a93bd86330789fd0d70
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