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Agent skill

Output Meta Pre Flight

by growthxai in growthxai/output

Pre-flight validation checks for Output SDK workflow operations.

Apache-2.0Auto-check passedTesting & QA

Install Output Meta Pre Flight

skills CLI
$ npx skills add growthxai/output --skill output-meta-pre-flight -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install growthxai/output output-meta-pre-flight --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/growthxai/output.git skills-src && mkdir -p .claude/skills && cp -r skills-src/coding_assistants/claude/plugins/outputai/skills/output-meta-pre-flight .claude/skills/output-meta-pre-flight && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
output-meta-pre-flight
GitHub stars
442
Token cost
~937 tokens
SKILL.md length
451 words
Files
1
Skills in repo
50
Repo updated
First seen
Licence
Apache-2.0

At a glance

Pre-flight validation checks for Output SDK workflow operations.

  • Works in 5 steps: Confirm all required context is available → Verify understanding of the workflow's… → Check for existing similar workflows to… → …
  • Tasks that involve Quality gates
  • SKILL.md covers Execution Requirements, Output SDK Knowledge Check, Output SDK Conventions Check and Requirements Gathering Strategy, plus 3 more sections
  • Calls npx and docker

What it does

Output Meta Pre Flight is an agent skill from growthxai/output. Pre-flight validation checks for Output SDK workflow operations. Ensures conventions are followed, requirements are gathered, and quality gates are passed before workflow execution.

Its SKILL.md is about 940 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Testing & QA, covering Quality gates. The repository describes itself as: The open-source TypeScript framework for building AI workflows and agents. Designed for Claude Code describe what you want, Claude builds it, with all the best practices already… The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Quality gates

Example prompts

  • “/output-meta-pre-flight”

Requirements

  • Node.js
  • Docker
  • Pre-approved tools (allowed-tools): Read

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Confirm all required context is available
  2. Verify understanding of the workflow's purpose
  3. Check for existing similar workflows to use as patterns
  4. Ensure Output SDK conventions are understood
  5. Validate that necessary subagents are available

What it can do on your machine

Read from SKILL.md and the folder at commit 99ee298. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • npx
    • docker

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use npx and docker, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Output Meta Pre Flight loads about 937 tokens when it runs. Until then it costs about 51 tokens; SKILL.md has 451 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~51
When it runs · the whole SKILL.md, loaded when a task matches
~937

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from growthxai/output at commit 99ee298, republished under its Apache-2.0 licence (© growthxai). 451 words, ~937 tokens.

Download SKILL.mdSave it as .claude/skills/output-meta-pre-flight/SKILL.md (or your agent's skills folder).
name
output-meta-pre-flight
description
Pre-flight validation checks for Output SDK workflow operations. Ensures conventions are followed, requirements are gathered, and quality gates are passed before workflow execution.
allowed-tools
Read

Pre-Flight Rules for Output SDK Workflows

Execution Requirements

  • CRITICAL: For any step that specifies a subagent in the subagent="" XML attribute, you MUST use the specified subagent to perform the instructions for that step
  • Process all XML blocks sequentially and completely
  • Execute every numbered step in the process_flow EXACTLY as specified

Output SDK Knowledge Check

Ensure you have a deep understanding of the Output SDK and its capabilities. If not, use Claude Skill: output-meta-project-context and read it carefully.

Output SDK Conventions Check

Before proceeding with any workflow operation, verify:

  • ES Modules: All imports MUST use .js extension for ESM modules
  • HTTP Client: NEVER use axios directly - always use @outputai/http wrapper
  • HTTP Bodies: Consume non-HEAD response bodies with .json()/.text() or cancel unused bodies with response.body?.cancel()
  • LLM Client: NEVER use a direct llm call - always use @outputai/llm wrapper
  • Worker Restarts: npx output dev auto-restarts the worker on file changes; if the worker runs detached, restart it manually with docker restart <project>-worker-1

Requirements Gathering Strategy

Smart Defaults Application

When information is not explicitly provided, apply these defaults:

  • Retry Policies: 3 attempts with exponential backoff (1s initial, 10s max)
  • Model selection: Run output-dev-model-selection to pick the current default for the chosen provider. Don't pin a specific model ID here — the listing changes faster than the docs.
  • Error Handling: ApplicationFailure patterns with appropriate error types
  • Performance: Optimize for clarity and maintainability over raw speed
  • Timeouts: 30 seconds for activities, 5 minutes for workflows
Critical Information Requirements

Only stop to ask for clarification on:

  • Ambiguous input/output structures that cannot be inferred from context
  • Specific API keys or services not commonly used in the project
  • Non-standard error handling or recovery requirements
  • Complex orchestration patterns requiring specific sequencing
  • External dependencies not already in the project
Show full SKILL.md (164 more words)Show less

Template Processing Rules

  • Use exact templates as provided in each step
  • Replace all template variables with actual values:
    • {workflow_name} - The workflow being planned
    • {project_root} - Root project directory path
    • {requirements} - User-provided requirements
    • {current_date} - Current date in YYYY-MM-DD format
    • {sdk_version} - Current Output SDK version

Quality Gates

Before proceeding past pre-flight:

  1. Confirm all required context is available
  2. Verify understanding of the workflow's purpose
  3. Check for existing similar workflows to use as patterns
  4. Ensure Output SDK conventions are understood
  5. Validate that necessary subagents are available

Plan Creation Rules

  • All complex tasks should be tracked in a workflow plan file
  • These files should be created at .outputai/plans directory.
  • If .outputai/plans directory does not exist, create it.
  • Ensure the plan folder is named with the date, then the workflow name, then the task name. e.g. 2025_12_16_simple_sum_workflow_creation_plan/PLAN.md
  • Track the implementation progress of any plan in a TASK file in the plan folder. e.g. 2025_12_16_simple_sum_workflow_creation_plan/TASK.md
  • Use markdown todo list to track the progress of the plan. e.g

© growthxai, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in coding_assistants/claude/plugins/outputai/skills/output-meta-pre-flight of growthxai/output.

Open the folder on GitHubat commit 99ee298

Compare with similar skills

Output Meta Pre Flight next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Output Meta Pre Flight compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Output Meta Pre Flight this skillgrowthxai/output442—~937Automated safety check: PassApache-2.0
Feature Plannerserendipity1004/cc-feature-implementer176—~2.4kAutomated safety check: PassNone
Ccg Workflowfengshao1227/ccg-workflow5.9k—~2.3kAutomated safety check: PassMIT
Conducty Checkpointrobertbarclayy/conducty176—~1.5kAutomated safety check: PassMIT
Mission Plannerjdforsythe/forge151—~3.5kAutomated safety check: PassMIT
Quality Gate0xNyk/lacp305—~382Automated safety check: PassMIT

Similar skills

  • Feature Planner

    serendipity1004/cc-feature-implementer

    Creates phase-based feature plans with quality gates and incremental delivery structure.

    176 GitHub stars~2.4k tokensUpdated 9 mo ago
    Testing & QAAuto-check passed

  • Ccg Workflow

    fengshao1227/ccg-workflow

    How to run a non-trivial change end to end with the CCG role tools (ccganalyze / ccgdesign / ccgbuild / ccgdebug / ccgoptimize / ccgreview / ccgtest) and the verify- quality gates.

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  • Conducty Checkpoint

    robertbarclayy/conducty

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    176 GitHub stars~1.5k tokensUpdated 3 mo ago
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    jdforsythe/forge

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    151 GitHub stars~3.5k tokensUpdated 3 mo ago
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More from growthxai/output

All 50 skills in this repo

  • Output Build Workflow

    growthxai/output

    Implement an Output SDK workflow from a plan document. An agent skill from growthxai/output.

    442 GitHub stars~2.2k tokensUpdated yesterday
    Auto-check passed

  • Output Credentials Edit

    growthxai/output

    View, edit, and set encrypted credentials in an Output.ai project.

    442 GitHub stars~1.1k tokensUpdated yesterday
    Auto-check: notes

  • Output Credentials Env Vars

    growthxai/output

    Wire encrypted credentials to environment variables using the credential: convention.

    442 GitHub stars~930 tokensUpdated yesterday
    Auto-check: notes

  • Output Credentials Init

    growthxai/output

    Initialize encrypted credentials for an Output.ai project. An agent skill from growthxai/output.

    442 GitHub stars~803 tokensUpdated yesterday
    Auto-check: notes

  • Output Debug Workflow

    growthxai/output

    Debug Output SDK workflow issues. An agent skill from growthxai/output.

    442 GitHub stars~1.5k tokensUpdated yesterday
    Auto-check passed

  • Output Dev Agent Class

    growthxai/output

    Use the Agent class for multi-step tool loops, conversation history, streaming progress, and reusable LLM agents.

    442 GitHub stars~2.6k tokensUpdated yesterday
    Auto-check passed

Categories

Questions about Output Meta Pre Flight

What does Output Meta Pre Flight do?

Pre-flight validation checks for Output SDK workflow operations. Output Meta Pre Flight is an agent skill from growthxai/output. Pre-flight validation checks for Output SDK workflow operations.

When should I use Output Meta Pre Flight?

Output Meta Pre Flight fits situations like: tasks that involve Quality gates.

How do I install Output Meta Pre Flight in Claude Code?

Run `npx skills add growthxai/output --skill output-meta-pre-flight -a claude-code`. Or copy the skill folder (coding_assistants/claude/plugins/outputai/skills/output-meta-pre-flight in growthxai/output) into .claude/skills/output-meta-pre-flight in your project. Claude Code loads it when a task matches its description.

How do I install Output Meta Pre Flight in Codex?

Run `npx skills add growthxai/output --skill output-meta-pre-flight -a codex`. Or copy the skill folder (coding_assistants/claude/plugins/outputai/skills/output-meta-pre-flight in growthxai/output) into .agents/skills/output-meta-pre-flight in your project. Codex loads it when a task matches its description.

Can I use Output Meta Pre Flight in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add growthxai/output --skill output-meta-pre-flight -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/output-meta-pre-flight, .gemini/skills/output-meta-pre-flight, .github/skills/output-meta-pre-flight and .opencode/skills/output-meta-pre-flight in your project.

What does Output Meta Pre Flight need to run?

Going by SKILL.md and its folder, Output Meta Pre Flight needs the command-line tools its instructions call (npx and docker). Our summary lists: Node.js; Docker. Its frontmatter pre-approves these tools: Read.

Does Output Meta Pre Flight access the network?

SKILL.md contains no URLs. Its commands use npx and docker, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Output Meta Pre Flight safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Output Meta Pre Flight use?

Output Meta Pre Flight is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Output Meta Pre Flight use?

About 937 tokens (SKILL.md is roughly 3.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Output Meta Pre Flight?

Skills that share tags, products or a category with Output Meta Pre Flight: Feature Planner (serendipity1004/cc-feature-implementer, 176 stars), Ccg Workflow (fengshao1227/ccg-workflow, 5.9k stars), Conducty Checkpoint (robertbarclayy/conducty, 176 stars) and Mission Planner (jdforsythe/forge, 151 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Output Meta Pre Flight?

growthxai (a GitHub organization) maintains it in growthxai/output, which has 442 GitHub stars. The repository holds 50 skills in this directory. The repository was last updated on October 9, 2026.

Source: growthxai/output on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.