Grades are a hygiene check, not a security guarantee.

MCP, MCP server

io.github.KingPeque/coinvoyage

Accept crypto payments in any Claude-built app.

Compatibility: Not stated.

Grade B

Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.

Graded by PlugVetRubric v2

Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.

Rescanned at commit b60fb8909046, unchanged since the check below.

NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV SECRETS_ENV_READ

Why this grade

  • NETWORK_NO_FIXED_HOST Low

    Makes a network call whose host is not written as a fixed address.

    mcp-server/src/index.ts, line 64 const res = await fetch(url, {

  • SECRETS_PATH_DOTENV Low

    Mentions a .env file.

    .gitignore, line 11 .env

  • SECRETS_ENV_READ Note

    Reads an environment variable whose name contains KEY, SECRET, TOKEN, PASSWORD or CREDENTIAL.

    mcp-server/src/index.ts, line 10 const rawApiKey = process.env.COINVOYAGE_API_KEY;

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

    Pass

    No install-time script found, and dependencies are pinned or absent.

  • Network

    Concern

    can reach a host that is not written as a fixed address.

    NETWORK_NO_FIXED_HOST

    mcp-server/src/index.ts, line 64

    const res = await fetch(url, {

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_DOTENV

    mcp-server/src/index.ts, line 10

    const rawApiKey = process.env.COINVOYAGE_API_KEY;

    mcp-server/src/index.ts, line 18

    const API_SECRET: string | undefined = process.env.COINVOYAGE_API_SECRET;

    .gitignore, line 11

    .env

    Show more

    skills/coinvoyage-payments/SKILL.md, line 56

    apiKey: process.env.COIN_VOYAGE_API_KEY!,

    skills/coinvoyage-payments/SKILL.md, line 57

    apiSecret: process.env.COIN_VOYAGE_API_SECRET!,

    skills/coinvoyage-payments/SKILL.md, line 89

    <CoinVoyageProvider apiKey={process.env.NEXT_PUBLIC_COIN_VOYAGE_API_KEY!}>

    .gitignore, line 10

    # Secrets - never commit

    .gitignore, line 13

    !.env.example

    PUBLISHING.md, line 121

    - Never commit `.env`, `.env.local`, or any file containing `pk_...` or `sk_...`

    mcp-server/.env.example, line 1

    # Copy to .env (gitignored) for local development only. Do NOT commit real values.

    skills/coinvoyage-payments/SKILL.md, line 190

    - API keys stored in environment variables (`.env.local`, deployment secrets), not in code

  • 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.

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Note

Hygiene check of commit b60fb8909046. can reach a host that is not written as a fixed address. reads a credential or environment file.

Date and source

Date checked:

View source

github.com

Commit graded: b60fb8909046169dee147daf9c66dc4a68552ed1

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Read how this letter is chosen