Grades are a hygiene check, not a security guarantee.

Claude Code, Plugin

langfuse

Skills for working with Langfuse, the open-source LLM engineering platform for tracing, prompt management, and evaluation.

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 127253d0e26d.

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.

    skills/langfuse/references/cli.md, line 34 # Preview the curl command without executing

  • SECRETS_PATH_DOTENV Low

    Mentions a .env file.

    skills/langfuse/SKILL.md, line 77 If not set, ask the user to set them in their shell or a `.env` file. Keys are found in the Langfuse project under Settings -> API Keys; the user should create a project API key pa

  • SECRETS_ENV_READ Note

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

    skills/migrate-to-langfuse/SKILL.md, line 19 2. **Destination** — Langfuse Cloud (which region) or self-hosted? Verify credentials by presence only (e.g. `[ -n "$LANGFUSE_SECRET_KEY" ]`); never ask for secrets in chat, and ne

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

    skills/langfuse/references/cli.md, line 34

    # Preview the curl command without executing

  • Secrets

    Concern

    reads a credential or environment file.

    SECRETS_ENV_READ SECRETS_PATH_DOTENV

    skills/migrate-to-langfuse/SKILL.md, line 19

    2. **Destination** — Langfuse Cloud (which region) or self-hosted? Verify credentials by presence only (e.g. `[ -n "$LANGFUSE_SECRET_KEY" ]`); never ask for secrets in chat, and ne

    skills/langfuse/SKILL.md, line 77

    If not set, ask the user to set them in their shell or a `.env` file. Keys are found in the Langfuse project under Settings -> API Keys; the user should create a project API key pa

    skills/langfuse/references/prompt-migration.md, line 22

    If credentials or the base URL are missing, ask the user to set them in their shell or a `.env` file. Do not ask them to paste secret keys into chat.

  • 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 127253d0e26d. 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: 127253d0e26dfa77fb6d732d1b70c36625581eb4

This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.

Read how this letter is chosen