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Agent skill

Revyl CLI Dev Loop

by RevylAI in RevylAI/revyl-cli

Generic CLI-first Revyl dev loop for hot reload, rebuild-loop, and device exploration.

No licenceAuto-check passed

Install Revyl CLI Dev Loop

skills CLI
$ npx skills add RevylAI/revyl-cli --skill revyl-cli-dev-loop -a claude-code

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

GitHub CLI
$ gh skill install RevylAI/revyl-cli revyl-cli-dev-loop --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/RevylAI/revyl-cli.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/revyl-cli-dev-loop .claude/skills/revyl-cli-dev-loop && 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
revyl-cli-dev-loop
GitHub stars
522
Token cost
~4.1k tokens
SKILL.md length
1,851 words
Files
2
Skills in repo
20
Repo updated
First seen
Licence
None found

At a glance

Generic CLI-first Revyl dev loop for hot reload, rebuild-loop, and device exploration.

  • Works in 4 steps: Start from the detected app stack, then… → Keep the dev loop running while using… → Prefer user-visible outcomes over… → …
  • SKILL.md covers Native Agent Behavior, Detect and Start, Start or Attach and Framework Guidance, plus 5 more sections
  • Calls jq and npx; needs REVYL_AUTH_BYPASS_TOKEN

What it does

Revyl CLI Dev Loop is an agent skill from RevylAI/revyl-cli. Generic CLI-first Revyl dev loop for hot reload, rebuild-loop, and device exploration.

Its SKILL.md is about 4.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `agents/openai.yaml`).

Example prompts

  • “/revyl-cli-dev-loop”

Requirements

  • A credential in REVYL_AUTH_BYPASS_TOKEN

Workflow steps

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

  1. Start from the detected app stack, then override only when detection is wrong.
  2. Keep the dev loop running while using separate short-lived revyl device commands for interaction.
  3. Prefer user-visible outcomes over implementation details.
  4. Stop local loop cleanly with Ctrl+C or revyl dev stop when done.

What it can do on your machine

Read from SKILL.md and the folder at commit 6bcef0d. 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

    Shell commands in SKILL.md call:

    • jq
    • npx

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

  • Network

    No URLs in SKILL.md. Its commands use npx, 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 these keys or tokens, usually read from environment variables:

    • REVYL_AUTH_BYPASS_TOKEN

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

Context cost

Revyl CLI Dev Loop loads about 4.1k tokens when it runs. Until then it costs about 26 tokens; SKILL.md has 1,851 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~26
When it runs · the whole SKILL.md, loaded when a task matches
~4.1k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 1,851 words (~4,142 tokens).

“Use this skill when the user wants the generic Revyl CLI dev loop instead of MCP tool-by-tool orchestration. Start from the app's real stack, keep the session running, and use the device as the source of truth.”

— opening of SKILL.md by RevylAI
name
revyl-cli-dev-loop

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in skills/revyl-cli-dev-loop of RevylAI/revyl-cli.

  • SKILL.md
  • agents/openai.yaml

Open the folder on GitHubat commit 6bcef0d

Compare with similar skills

Revyl CLI Dev Loop 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.

Revyl CLI Dev Loop compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Revyl CLI Dev Loop this skillRevylAI/revyl-cli522—~4.1kAutomated safety check: PassNone
Mtp Hot Reloaddotnet/skills5.6k1 repos~2.3kAutomated safety check: PassMIT
Uloop Hot ReloadCyberAgentGameEntertainment/NovaShader1.6k—~2kAutomated safety check: PassMIT
Understanding Hot Reload LimitsrosuH/EasyWatermark1.9k1 repos~2.6kAutomated safety check: PassApache-2.0
Mtp Hot Reloadmicrosoft/testfx1k—~1.5kAutomated safety check: PassMIT
Bun Hot Reloadingsecondsky/claude-skills227—~1.9kAutomated safety check: PassMIT

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All 20 skills in this repo

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  • Revyl CLI Cross Platform Review

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  • Revyl Proof Automation

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    Set up a Cursor Automation that proves each pull request on a Revyl cloud device using a CI-uploaded build.

    522 GitHub stars~1.1k tokensUpdated today
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  • Revyl CLI Auth Bypass

    RevylAI/revyl-cli

    Set up test-only auth bypass for Revyl runs across Expo, React Native, native iOS, native Android, and Flutter apps.

    522 GitHub stars~2.5k tokensUpdated today
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  • Revyl CLI Analyze

    RevylAI/revyl-cli

    Analyze failed Revyl test, workflow, and device-session reports via CLI to classify real bugs, flaky tests, infra issues, setup failures, or test-design improvements.

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Questions about Revyl CLI Dev Loop

What does Revyl CLI Dev Loop do?

Generic CLI-first Revyl dev loop for hot reload, rebuild-loop, and device exploration. Revyl CLI Dev Loop is an agent skill from RevylAI/revyl-cli. Generic CLI-first Revyl dev loop for hot reload, rebuild-loop, and device exploration.

How do I install Revyl CLI Dev Loop in Claude Code?

Run `npx skills add RevylAI/revyl-cli --skill revyl-cli-dev-loop -a claude-code`. Or copy the skill folder (skills/revyl-cli-dev-loop in RevylAI/revyl-cli) into .claude/skills/revyl-cli-dev-loop in your project. Claude Code loads it when a task matches its description.

How do I install Revyl CLI Dev Loop in Codex?

Run `npx skills add RevylAI/revyl-cli --skill revyl-cli-dev-loop -a codex`. Or copy the skill folder (skills/revyl-cli-dev-loop in RevylAI/revyl-cli) into .agents/skills/revyl-cli-dev-loop in your project. Codex loads it when a task matches its description.

Can I use Revyl CLI Dev Loop 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 RevylAI/revyl-cli --skill revyl-cli-dev-loop -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/revyl-cli-dev-loop, .gemini/skills/revyl-cli-dev-loop, .github/skills/revyl-cli-dev-loop and .opencode/skills/revyl-cli-dev-loop in your project.

What does Revyl CLI Dev Loop need to run?

Going by SKILL.md and its folder, Revyl CLI Dev Loop needs the command-line tools its instructions call (jq and npx) and credentials named REVYL_AUTH_BYPASS_TOKEN. Our summary lists: A credential in REVYL_AUTH_BYPASS_TOKEN.

Does Revyl CLI Dev Loop access the network?

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

Is Revyl CLI Dev Loop 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 Revyl CLI Dev Loop use?

No licence was found for Revyl CLI Dev Loop or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Revyl CLI Dev Loop use?

About 4.1k tokens (SKILL.md is roughly 17k 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 Revyl CLI Dev Loop?

Skills that share tags, products or a category with Revyl CLI Dev Loop: Mtp Hot Reload (dotnet/skills, 5.6k stars), Uloop Hot Reload (CyberAgentGameEntertainment/NovaShader, 1.6k stars), Understanding Hot Reload Limits (rosuH/EasyWatermark, 1.9k stars) and Mtp Hot Reload (microsoft/testfx, 1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Revyl CLI Dev Loop?

RevylAI (a GitHub organization) maintains it in RevylAI/revyl-cli, which has 522 GitHub stars. The repository holds 20 skills in this directory. The repository was last updated on October 9, 2026.

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