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preflight-check

Diagnose missing binaries, environment variables, and service connections before skill execution.

Updated Feb 18, 2026
Search Tags:#validation#environment#connectivity#prerequisites#preflight#env-vars#binaries
One-click install
npx skills add https://github.com/guifav/openclaw-skills --skill preflight-check-guifav
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: preflight-check
Source: https://github.com/guifav/openclaw-skills/tree/main/preflight-check
Command: npx skills add https://github.com/guifav/openclaw-skills --skill preflight-check-guifav

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Preflight-check validates that all required binaries, environment variables, and services are present and correctly configured before any skill runs, reducing runtime errors and deployment delays.

Core Features & Use Cases

  • Validate essential binaries and CLI tools across stacks (node, git, gh, gcloud, curl, etc.).
  • Verify environment variables and service connectivity, with clear remediation guidance.
  • Generate structured preflight reports (JSON + human-readable) to inform go/no-go decisions.

Quick Start

Run the preflight-check to verify your current environment against the selected target stack and generate a report.

Frequently Asked Questions about preflight-check

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I verify environment variables and binaries before running a deployment?▼

Preflight checks diagnose missing binaries, unset environment variables, and failed service connections before running a deployment, returning a structured report with remediation guidance.

Can I check service connectivity for Vercel and Supabase before executing a skill?▼

Yes, preflight checks validate service connectivity across Vercel, Supabase, and GCP stacks, executing commands to ensure required services are reachable and correctly configured before execution.

What is a preflight check and when do I need it for my stack?▼

A preflight check validates that required binaries, environment variables, and services are present and configured correctly, reducing runtime errors and deployment delays across full-stack environments.

How do I generate a machine-readable JSON report for missing prerequisites?▼

Run a preflight check to enumerate required binaries and environment variables, executing commands to test connectivity and returning both machine-readable JSON and a human-readable summary.

Does the preflight check work with GCP and full-stack environments?▼

Yes, preflight checks work across Vercel, Supabase, GCP, and full-stack environments, validating essential binaries like node, git, gh, gcloud, and curl before any skill runs.

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