Read and write Fly.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands.

MITAuto-check passedBackend & APIs

Install Flyio

skills CLI
$ npx skills add Anil-matcha/awesome-muse-connectors --skill flyio -a claude-code

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

GitHub CLI
$ gh skill install Anil-matcha/awesome-muse-connectors flyio --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/Anil-matcha/awesome-muse-connectors.git skills-src && mkdir -p .claude/skills && cp -r skills-src/connectors/flyio .claude/skills/flyio && 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
flyio
GitHub stars
1.3k
Token cost
~730 tokens
SKILL.md length
235 words
Files
2
Skills in repo
153
Repo updated
First seen
Licence
MIT

At a glance

Read and write Fly.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands.

  • Works in 4 steps: machine-create, machine-stop,… → exec runs arbitrary commands inside a… → Reading (apps, machines, volumes) needs… → …
  • Phrases: fly.io
  • SKILL.md covers Purpose, Tooling, Auth and Operating Rules, plus 2 more sections
  • Runs Python scripts from its folder; calls flyctl

What it does

Flyio is an agent skill from Anil-matcha/awesome-muse-connectors. Read and write Fly.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands. Trigger phrases: fly.io, machines.

Its SKILL.md is about 730 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files (for example `bin/flyio.py`).

It sits in Backend & APIs. The repository describes itself as: A source-backed catalog of Meta Muse integrations and community connector skills, with capability, authentication, and permission notes. The licence is MIT.

When your agent uses it

  • Phrases: fly.io

Example prompts

  • “/flyio”

Requirements

  • Python 3

Workflow steps

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

  1. machine-create, machine-stop, machine-start, and machine-restart are writes: confirm the exact action on the exact machine with the user…
  2. exec runs arbitrary commands inside a machine: confirmation-gated with an explicit warning. Never run destructive commands without the…
  3. Reading (apps, machines, volumes) needs no confirmation.
  4. Never exfiltrate the credential: the CLI only ever handles surrogates. Do not print, log, or transmit the key value.

What it can do on your machine

Read from SKILL.md and the folder at commit d6dc5d8. 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

    Ships script files (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • flyctl

    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.

Context cost

Flyio loads about 730 tokens when it runs. Until then it costs about 38 tokens; SKILL.md has 235 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~38
When it runs · the whole SKILL.md, loaded when a task matches
~730

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 Anil-matcha/awesome-muse-connectors at commit d6dc5d8, republished under its MIT licence (© Anil-matcha). 235 words, ~730 tokens.

Download SKILL.mdSave it as .claude/skills/flyio/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
flyio
description
Read and write Fly.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands. Trigger phrases: fly.io, machines.
metadata.includeInPrompt
true
tagline
List apps and machines, manage machine lifecycle.
catalog_auth
API token (app or org scoped)
catalog_hosts
api.machines.dev

Fly.io

Purpose

Read and write the user's Fly.io Machines through the Fly.io Machines REST API: list apps and machines, inspect machines and volumes, create machines, stop/start/restart them, and run one-off commands inside a machine with exec. Use when the user mentions Fly.io, fly apps, or their machines.

Tooling

All commands go through bin/flyio.py:

bash
bin/flyio.py auth                                            # verify the API key
bin/flyio.py apps --org personal                             # list apps in an org
bin/flyio.py machines --app myapp                            # list machines in an app
bin/flyio.py volumes --app myapp                             # list volumes in an app
bin/flyio.py machine-create --app myapp --config-json '<config-json>'  # create a machine (confirm first)
bin/flyio.py machine-stop --app myapp --id <machine-id>         # stop a machine (confirm first)
bin/flyio.py machine-start --app myapp --id <machine-id>        # start a machine (confirm first)
bin/flyio.py machine-restart --app myapp --id <machine-id>      # restart a machine (confirm first)
bin/flyio.py exec --app myapp --id <machine-id> --command "df -h"  # run a command in a machine (confirm first)

--org defaults to personal and is only used for apps. Machine IDs come from machines. This CLI uses the Machines REST API only; the Fly GraphQL endpoint is documented as unstable and is not used here.

Auth

  • Provider id: flyio (credential is collected as custom.flyio)
  • Collection: API key via the secure credential flow (credentials.request_api_access); create one with flyctl auth token or in the Fly.io dashboard under Account > Tokens
  • Allowed hosts: api.machines.dev
  • Status check: bin/flyio.py auth (must return "ok": true)

Operating Rules

  1. machine-create, machine-stop, machine-start, and machine-restart are writes: confirm the exact action on the exact machine with the user before running, unless standing permission exists. Machine creation also incurs Fly.io usage costs.
  2. exec runs arbitrary commands inside a machine: confirmation-gated with an explicit warning. Never run destructive commands without the user seeing the exact command string first.
  3. Reading (apps, machines, volumes) needs no confirmation.
  4. Never exfiltrate the credential: the CLI only ever handles surrogates. Do not print, log, or transmit the key value.

Files

  • SKILL.md
  • bin/flyio.py

Maturity

🧪 Draft: written from Fly.io's public API docs; not yet live-tested end-to-end.

© Anil-matcha, 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 1 other file in connectors/flyio of Anil-matcha/awesome-muse-connectors.

  • SKILL.md
  • bin/flyio.py

Open the folder on GitHubat commit d6dc5d8

Compare with similar skills

Flyio 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.

Flyio compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Flyio this skillAnil-matcha/awesome-muse-connectors1.3k—~730Automated safety check: PassMIT
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Nestjs Best Practicesrolling-scopes/rsschool-app10k6 repos~1.2kAutomated safety check: PassMIT
Sub2API AdminWei-Shaw/sub2api43k1 repos~717Automated safety check: PassLGPL-3.0
Firecrawl Build Onboardingfirecrawl/firecrawl190k1 repos~1.4kAutomated safety check: NotesISC
Obsidian BasesAtmosphere/atmosphere3.8k22 repos~3.2kAutomated safety check: PassApache-2.0

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Categories

Questions about Flyio

What does Flyio do?

Read and write Fly.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands. Flyio is an agent skill from Anil-matcha/awesome-muse-connectors.io: list apps and machines, manage volumes, start/stop/restart machines, run exec commands.

When should I use Flyio?

Flyio fits situations like: phrases: fly.io.

How do I install Flyio in Claude Code?

Run `npx skills add Anil-matcha/awesome-muse-connectors --skill flyio -a claude-code`. Or copy the skill folder (connectors/flyio in Anil-matcha/awesome-muse-connectors) into .claude/skills/flyio in your project. Claude Code loads it when a task matches its description.

How do I install Flyio in Codex?

Run `npx skills add Anil-matcha/awesome-muse-connectors --skill flyio -a codex`. Or copy the skill folder (connectors/flyio in Anil-matcha/awesome-muse-connectors) into .agents/skills/flyio in your project. Codex loads it when a task matches its description.

Can I use Flyio 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 Anil-matcha/awesome-muse-connectors --skill flyio -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/flyio, .gemini/skills/flyio, .github/skills/flyio and .opencode/skills/flyio in your project.

What does Flyio need to run?

Going by SKILL.md and its folder, Flyio needs Python for the scripts in its folder and the command-line tools its instructions call (flyctl). Our summary lists: Python 3.

Does Flyio 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 Flyio 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 Flyio use?

Flyio 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 Flyio use?

About 730 tokens (SKILL.md is roughly 2.9k 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 Flyio?

Skills that share tags, products or a category with Flyio: Configuring Horizon (coollabsio/coolify, 63k stars), Nestjs Best Practices (rolling-scopes/rsschool-app, 10k stars), Sub2API Admin (Wei-Shaw/sub2api, 43k stars) and Firecrawl Build Onboarding (firecrawl/firecrawl, 190k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Flyio?

Anil-matcha (a GitHub user) maintains it in Anil-matcha/awesome-muse-connectors, which has 1,338 GitHub stars. The repository holds 153 skills in this directory. The repository was last updated on October 5, 2026.

Source: Anil-matcha/awesome-muse-connectors on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.