How do I install the Prereqs Check skill?

Run npx skillmds@latest add tomevault-io/prereqs-check in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Prereqs Check skill do?

Check and guide setup for prerequisites (Docker, extensions, Windsurf Docker Extension, Python, Git, Node) Use when this capability is needed. It is listed under DevOps & Infra on SkillMD.

Is Prereqs Check safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Prereqs Check?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Prereqs Check free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Prereqs Check?

tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Prereqs Check by tomevault-io — Agent Skill

Name: Prereqs Check
Author: tomevault-io

File contents

Prerequisites Check

Trigger

First run of any workflow that needs Docker, scraping, or external tools
Auto-runs at start of /local-env, /smoketest --level full, /scrape
User runs /prereqs

Prechecks

None — this IS the precheck.

Command

python nexus/cli/bs_cli.py prereqs --format json

Guide for a specific missing component

python nexus/cli/bs_cli.py prereqs --guide --component <name>

Available components: python, git, node, docker, docker-compose, docker-extensions, docker-extension

Auto-installable components

Docker Desktop extensions (ngrok, Release Share) can be installed via CLI with user approval
Windsurf Docker Extension requires manual install via Extensions panel — tool provides steps

Expected output

Structured JSON with per-component status, missing list, and next steps.

Stop conditions

If Docker is missing and the workflow requires it, stop and instruct user
If Docker Extension is missing, continue with CLI fallback (still works, just no IDE integration)

Source: llores28/Nexus — distributed by TomeVault.

Frequently asked questions

Prereqs Check