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Agent skill

Mcaf Devex

by managedcode in managedcode/Storage

Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup.

MITAuto-check passedDevOps & Cloud

Install Mcaf Devex

skills CLI
$ npx skills add managedcode/Storage --skill mcaf-devex -a claude-code

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

GitHub CLI
$ gh skill install managedcode/Storage mcaf-devex --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/managedcode/Storage.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/mcaf-devex .claude/skills/mcaf-devex && 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
mcaf-devex
GitHub stars
138
Token cost
~911 tokens
SKILL.md length
455 words
Files
3 (incl. references)
Skills in repo
41
Repo updated
First seen
Licence
MIT

At a glance

Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup.

  • Works in 3 steps: Read the nearest AGENTS.md and confirm… → Run this skill's Workflow through the… → Return the Required Result Format with…
  • The repo is hard to run
  • SKILL.md covers Trigger On, Value, Do Not Use For and Inputs, plus 7 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Mcaf Devex is an agent skill from managedcode/Storage. Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup. Use when the repo is hard to run, debug, test, or onboard into.

Its SKILL.md is about 910 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `references/developer-experience.md` and `references/onboarding-guide-template.md`). Compatibility notes: Requires repository access; may update docs, task runners, devcontainer guidance, or local setup conventions.

It sits in DevOps & Cloud, covering Platform engineering. The repository describes itself as: Storage library provides a universal interface for accessing and manipulating data in different cloud blob storage providers. The licence is MIT.

When your agent uses it

  • The repo is hard to run
  • Tasks that involve Platform engineering

Example prompts

  • “/mcaf-devex”

Requirements

  • Compatibility (from SKILL.md): Requires repository access; may update docs, task runners, devcontainer guidance, or local setup conventions.

Workflow steps

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

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

What it can do on your machine

Read from SKILL.md and the folder at commit 5d32121. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

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

  • Network

    No URLs in SKILL.md.

    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.

  • Compatibility

    Requires repository access; may update docs, task runners, devcontainer guidance, or local setup conventions.

    From compatibility in the SKILL.md frontmatter.

Context cost

Mcaf Devex loads about 911 tokens when it runs, and up to ~1.2k if it reads all its reference files. Until then it costs about 56 tokens; SKILL.md has 455 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~56
When it runs · the whole SKILL.md, loaded when a task matches
~911
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.2k

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 managedcode/Storage at commit 5d32121, republished under its MIT licence (© managedcode). 455 words, ~911 tokens.

Download SKILL.mdSave it as .claude/skills/mcaf-devex/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
mcaf-devex
description
Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup. Use when the repo is hard to run, debug, test, or onboard into.
compatibility
Requires repository access; may update docs, task runners, devcontainer guidance, or local setup conventions.

MCAF: Developer Experience

Trigger On

  • the repo is hard to run, test, debug, or onboard into
  • local setup differs too much across contributors
  • the inner loop is slow or undocumented

Value

  • produce a concrete project delta: code, docs, config, tests, CI, or review artifact
  • reduce ambiguity through explicit planning, verification, and final validation skills
  • leave reusable project context so future tasks are faster and safer

Do Not Use For

  • production deployment or pipeline policy
  • pure documentation cleanup with no developer workflow impact

Inputs

  • the current local setup and first-run path
  • actual build, run, debug, and test commands
  • pain points in onboarding or the inner loop

Quick Start

  1. Read the nearest AGENTS.md and confirm scope and constraints.
  2. Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
  3. Return the Required Result Format with concrete artifacts and verification evidence.

Workflow

  1. Find the slowest or most fragile part of the inner loop:
    • clone and setup
    • build
    • run and debug
    • test
  2. Standardize tasks before optimizing them.
  3. Prefer one documented way to run the full solution locally.
  4. Pull only the references that match the local-dev problem you are fixing.

Deliver

  • lower-friction local workflow
  • better onboarding
  • reproducible build, run, test, and debug paths

Validate

  • a newcomer can follow the docs without hidden setup knowledge
  • the inner loop is explicit and reproducible
  • cross-platform or containerized guidance is used only where it helps
  • local development uses real services, containers, or sandbox environments instead of fakes or stubs
Show full SKILL.md (207 more words)Show less

Ralph Loop

Use the Ralph Loop for every task, including docs, architecture, testing, and tooling work.

  1. Plan first (mandatory):
    • analyze current state
    • define target outcome, constraints, and risks
    • write a detailed execution plan
    • list final validation skills to run at the end, with order and reason
  2. Execute one planned step and produce a concrete delta.
  3. Review the result and capture findings with actionable next fixes.
  4. Apply fixes in small batches and rerun the relevant checks or review steps.
  5. Update the plan after each iteration.
  6. Repeat until outcomes are acceptable or only explicit exceptions remain.
  7. If a dependency is missing, bootstrap it or return status: not_applicable with explicit reason and fallback path.
Required Result Format
  • status: complete | clean | improved | configured | not_applicable | blocked
  • plan: concise plan and current iteration step
  • actions_taken: concrete changes made
  • validation_skills: final skills run, or skipped with reasons
  • verification: commands, checks, or review evidence summary
  • remaining: top unresolved items or none

For setup-only requests with no execution, return status: configured and exact next commands.

Load References

  • read references/developer-experience.md first
  • open references/onboarding-guide-template.md only when relevant

Example Requests

  • "Make this repo easier to onboard into."
  • "Document a sane local run and debug loop."
  • "Fix the dev setup drift across machines."

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

Files

SKILL.md and 2 other files (references) in .codex/skills/mcaf-devex of managedcode/Storage.

  • SKILL.md
  • references/developer-experience.md
  • references/onboarding-guide-template.md

Open the folder on GitHubat commit 5d32121

Compare with similar skills

Mcaf Devex 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.

Mcaf Devex compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Mcaf Devex this skillmanagedcode/Storage138—~911Automated safety check: PassMIT
Orca Per-Workspace Environmentsstablyai/orca87k1 repos~564Automated safety check: PassMIT
Eks Best Practicesaws-samples/appmod-blueprints113—~5kAutomated safety check: PassMIT-0
Devops EngineerYikai-Liao/symusic1891 repos~1.5kAutomated safety check: PassMIT
Thermo Nuclear Reviewcursor/plugins10k1 repos~1.1kAutomated safety check: PassNone
Sap Btp Best Practicessecondsky/sap-skills460—~3.8kAutomated safety check: PassGPL-3.0

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All 41 skills in this repo

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  • Mcaf Code Review

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    Prepare for, perform, or tighten code review workflow: PR scope, review checklist, reviewer expectations, and merge hygiene.

    138 GitHub stars~957 tokensUpdated today
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  • Mcaf Documentation

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    Create or refine durable engineering documentation: docs structure, navigation, source-of-truth placement, and writing quality.

    138 GitHub stars~893 tokensUpdated today
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Categories

Questions about Mcaf Devex

What does Mcaf Devex do?

Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup. Mcaf Devex is an agent skill from managedcode/Storage. Improve developer experience for multi-component solutions: onboarding, F5 contract, cross-platform tasks, local inner loop, and reproducible setup.

When should I use Mcaf Devex?

Mcaf Devex fits situations like: the repo is hard to run; tasks that involve Platform engineering.

How do I install Mcaf Devex in Claude Code?

Run `npx skills add managedcode/Storage --skill mcaf-devex -a claude-code`. Or copy the skill folder (.codex/skills/mcaf-devex in managedcode/Storage) into .claude/skills/mcaf-devex in your project. Claude Code loads it when a task matches its description.

How do I install Mcaf Devex in Codex?

Run `npx skills add managedcode/Storage --skill mcaf-devex -a codex`. Or copy the skill folder (.codex/skills/mcaf-devex in managedcode/Storage) into .agents/skills/mcaf-devex in your project. Codex loads it when a task matches its description.

Can I use Mcaf Devex 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 managedcode/Storage --skill mcaf-devex -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/mcaf-devex, .gemini/skills/mcaf-devex, .github/skills/mcaf-devex and .opencode/skills/mcaf-devex in your project.

What does Mcaf Devex need to run?

SKILL.md names no scripts, command-line tools or credentials: Mcaf Devex is instructions for the agent only. Compatibility (from SKILL.md): Requires repository access; may update docs, task runners, devcontainer guidance, or local setup conventions..

Does Mcaf Devex access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Mcaf Devex 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 Mcaf Devex use?

Mcaf Devex is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Mcaf Devex use?

About 911 tokens (SKILL.md is roughly 3.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 321 tokens, read only when the agent opens those files.

What are the alternatives to Mcaf Devex?

Skills that share tags, products or a category with Mcaf Devex: Orca Per-Workspace Environments (stablyai/orca, 87k stars), Eks Best Practices (aws-samples/appmod-blueprints, 113 stars), Devops Engineer (Yikai-Liao/symusic, 189 stars) and Thermo Nuclear Review (cursor/plugins, 10k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Mcaf Devex?

managedcode (a GitHub organization) maintains it in managedcode/Storage, which has 138 GitHub stars. The repository holds 41 skills in this directory. The repository was last updated on October 7, 2026.

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