Skills/PyPI/mcp-installer

mcp-installer@0.5.0

CAUTION· static only

Publisher claims: "CLI Interface for MCP" Observed in sandbox: static analysis only — behavior not yet observed.

Registry PyPI (MCP server)Publisher brandon-fryslie-nunya · publishing for 345 daysInstalls 23Last detonated 7d ago
What would fix thisWatchDispute verdict

Coverage

Static only; nothing was run yet.

The label rests on the code, the instruction files and the publisher. The honeypot run replaces this verdict when it completes.

Before you give it your token

Code inventory arrives with this version's next honeypot run.
It will ask for
unknown until the next run
Where it talks to
unknown until the next run
What the honeypot saw
nothing has run yet
What we could not test
everything: the server has not run yet

Run it before you trust it. Nothing has run yet: the code was read, the server was not. `vet-skills try` runs this exact version in the honeypot in about a minute.

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Is [email protected] safe to install?

KillerSkills analysed it statically (a sandbox run is pending) on 2026-11-07 and scored it 52/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Access to sensitive file paths; Access to sensitive file paths; Access to sensitive file paths. Summary: static analysis only — behavior not yet observed.

Behavior trace

Queued for honeypot run · static analysis only
t+CategoryObserved action

This version has not been detonated yet. The score above counts behavior as unknown (50/100), so it cannot read Verified until the honeypot run completes and replaces this verdict.

Static findings

HIGH
Access to sensitive file pathssrc/mcpi/templates/discovery.py:258 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesenv_content: Content of .env fileFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/mcpi/templates/discovery.py:238 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files# Check .env file for DATABASE_URLFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
HIGH
Access to sensitive file pathssrc/mcpi/templates/discovery.py:218 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files2. .env file DATABASE_URL patternsFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/cli.py:2356 · Python subprocess execution detectedversion_result = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Access to sensitive file pathssrc/mcpi/templates/discovery.py:239 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesenv_file = project_path / ".env"Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/filesystem/custom-directories.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/cli.py:2384 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/brave-search/api-key.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
HIGH
Auto-update or dynamic fetch configurationsrc/mcpi/clients/schemas/internal-config-schema.yaml:194 · Auto-update or dynamic fetch configuration — agent may load new code at runtimeautoUpdate: trueFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/clients/file_based.py:135 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
HIGH
Slack token pattern detectedsrc/mcpi/data/templates/slack/bot-token.yaml:52 · Slack token pattern detected — possible hardcoded or harvested token- Bot tokens: xoxb-NUMBERS-NUMBERS-ALPHANUMERICFix: Never read or enumerate credential locations; accept a documented environment variable instead.
AST03
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/filesystem/project-files.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/python.py:351 · Python subprocess execution detectedreturn subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/git.py:347 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/postgres/local-development.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/postgres/production.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/github/public-repos.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/registry/catalog.py:17 · npx invocation of non-well-known package — may execute untrusted codeNPX = "npx" # For npm packages that can be run with npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/github/read-only.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/git.py:371 · Python subprocess execution detectedsubprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/slack/limited-channels.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/base.py:26 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/slack/bot-token.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/git.py:458 · Python subprocess execution detectedreturn subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/filesystem/user-documents.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/postgres/docker.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/data/templates/github/personal-full-access.yaml:8 · npx invocation of non-well-known package — may execute untrusted codecommand: npxFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/registry/cue_validator.py:28 · Python subprocess execution detectedresult = subprocess.run(["cue", "version"], capture_output=True, text=True)Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/npm.py:260 · Python subprocess execution detectedreturn subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/installer/python.py:375 · Python subprocess execution detectedreturn subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/tui/adapters/fzf.py:97 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/registry/validation.py:119 · npx invocation of non-well-known package — may execute untrusted code# Validate npx usageFix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
Python subprocess execution detectedsrc/mcpi/registry/cue_validator.py:48 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/tui/adapters/fzf.py:159 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedsrc/mcpi/tui/adapters/fzf.py:133 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
npx invocation of non-well-known packagesrc/mcpi/registry/validation.py:117 · npx invocation of non-well-known package — may execute untrusted codeself.errors.append(f"{server_ref}: npx command requires a package")Fix: Pin versions and sources; vendor anything fetched at install time.
AST06

Cost to the agent

Instructions loaded
≈42 tok
1 file · 81 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

No advisories in OSV for mcp-installer@0.5.0 as of 7d ago. This is the package itself, not its dependencies.

What would make this Verified

28 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Unclaimed publisher≈ +8 on the totalClaim brandon-fryslie-nunya: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  2. Access to sensitive file paths≈ +4 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  3. Auto-update or dynamic fetch configuration≈ +4 on the totalPin versions and sources; vendor anything fetched at install time.
  4. Slack token pattern detected≈ +4 on the totalNever read or enumerate credential locations; accept a documented environment variable instead.
  5. Python subprocess execution detected≈ +2 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  6. npx invocation of non-well-known package≈ +2 on the totalPin versions and sources; vendor anything fetched at install time.
Publish a new version to PyPI, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim brandon-fryslie-nunyaPropose a patch to the maintainer