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Agent skill

Control

by SynchronetBBS in SynchronetBBS/sbbs

A skill your agent uses when controlling a running Synchronet instance — recycling/reloading, shutdown, pause, clearing the failed-login list, or forcing a timed event.

Custom licenceAuto-check: notesFrontend & Design

Install Control

skills CLI
$ npx skills add SynchronetBBS/sbbs --skill control -a claude-code

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

GitHub CLI
$ gh skill install SynchronetBBS/sbbs control --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/SynchronetBBS/sbbs.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/control .claude/skills/control && 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
control
GitHub stars
111
Token cost
~5.4k tokens
SKILL.md length
2,220 words
Files
1
Skills in repo
8
Repo updated
First seen
Licence
Custom licence

At a glance

A skill your agent uses when controlling a running Synchronet instance — recycling/reloading, shutdown, pause, clearing the failed-login list, or forcing a timed event.

  • Controlling a running Synchronet instance — recycling/reloading
  • SKILL.md covers Choose the gentlest lever that…, Synchronet semaphore files…, POSIX signals (sbbscon on *nix) and OS service managers, plus 6 more sections
  • Calls node
  • Clearing the failed-login list

What it does

Control is an agent skill from SynchronetBBS/sbbs. Use when controlling a running Synchronet instance — recycling/reloading, shutdown, pause, clearing the failed-login list, or forcing a timed event. Covers cross-platform semaphore files in ctrl//data/ (recycle/shutdown/pause/clear with per-server .<service and per-host .<hostname suffix variants for shared-ctrl/ setups), POSIX signals to sbbscon (SIGTERM/etc. = quit, SIGHUP = recycle-all), OS service managers (systemctl, service, launchctl, sc.exe), Windows front-ends (sbbsctrl, sbbsNTsvcs), the node rerun…

Its SKILL.md is about 5.4k 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 Frontend & Design. The repository describes itself as: Mirror of gitlab.synchro.net/sbbs (don't submit pull requests here).

When your agent uses it

  • Controlling a running Synchronet instance — recycling/reloading
  • Clearing the failed-login list
  • Forcing a timed event
  • Recycle the web server

Example prompts

  • “t recycle while in use”
  • “recycle the web server”
  • “restart sbbs”
  • “/control”

What it can do on your machine

Read from SKILL.md and the folder at commit d83fbe2. 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:

    • node

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

  • Network

    Links to these hosts (documentation or services it may open):

    • wiki.synchro.net

    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

Control loads about 5.4k tokens when it runs. Until then it costs about 221 tokens; SKILL.md has 2,220 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~221
When it runs · the whole SKILL.md, loaded when a task matches
~5.4k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteRuns commands with sudoSKILL.md:166
    sudo launchctl kickstart -k system/<label>    # stop + start
  • NoteRuns commands with sudoSKILL.md:167
    sudo launchctl unload  /Library/LaunchDaemons/<plist>
  • NoteRuns commands with sudoSKILL.md:168
    sudo launchctl load    /Library/LaunchDaemons/<plist>

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 2,220 words (~5,374 tokens).

name
control

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/control of SynchronetBBS/sbbs.

Open the folder on GitHubat commit d83fbe2

Compare with similar skills

Control 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.

Control compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Control this skillSynchronetBBS/sbbs111—~5.4kAutomated safety check: NotesCustom licence
Web Artifacts Builderanthropics/skills180k41 repos~769Automated safety check: PassApache-2.0
React Doctormakeplane/plane61k12 repos~657Automated safety check: PassAGPL-3.0
Impeccablebestofjs/bestofjs3.1k27 repos~2.6kAutomated safety check: PassMIT
Figma Design System Builderwarpdotdev/warp65k2 repos~4.4kAutomated safety check: PassAGPL-3.0
Web Interface Guidelines Reviewervercel-labs/openreview1.7k98 repos~308Automated safety check: PassNone

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All 8 skills in this repo

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  • Text

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  • Jsexec

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  • Logs

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  • Menus

    SynchronetBBS/sbbs

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Categories

Questions about Control

What does Control do?

A skill your agent uses when controlling a running Synchronet instance — recycling/reloading, shutdown, pause, clearing the failed-login list, or forcing a timed event. Control is an agent skill from SynchronetBBS/sbbs. Use when controlling a running Synchronet instance — recycling/reloading, shutdown, pause, clearing the failed-login list, or forcing a timed event.

When should I use Control?

Control fits situations like: controlling a running Synchronet instance — recycling/reloading; clearing the failed-login list; forcing a timed event; recycle the web server.

How do I install Control in Claude Code?

Run `npx skills add SynchronetBBS/sbbs --skill control -a claude-code`. Or copy the skill folder (.claude/skills/control in SynchronetBBS/sbbs) into .claude/skills/control in your project. Claude Code loads it when a task matches its description.

How do I install Control in Codex?

Run `npx skills add SynchronetBBS/sbbs --skill control -a codex`. Or copy the skill folder (.claude/skills/control in SynchronetBBS/sbbs) into .agents/skills/control in your project. Codex loads it when a task matches its description.

Can I use Control 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 SynchronetBBS/sbbs --skill control -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/control, .gemini/skills/control, .github/skills/control and .opencode/skills/control in your project.

What does Control need to run?

Going by SKILL.md and its folder, Control needs the command-line tools its instructions call (node).

Does Control access the network?

SKILL.md names 1 domain. As links in the text: wiki.synchro.net. This is read from the text; nothing was executed.

Is Control safe to install?

Our automated static check of SKILL.md found notes only (runs commands with sudo), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Control use?

Control has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Control use?

About 5.4k tokens (SKILL.md is roughly 21k 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 Control?

Skills that share tags, products or a category with Control: Web Artifacts Builder (anthropics/skills, 180k stars), React Doctor (makeplane/plane, 61k stars), Impeccable (bestofjs/bestofjs, 3.1k stars) and Figma Design System Builder (warpdotdev/warp, 65k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Control?

SynchronetBBS (a GitHub organization) maintains it in SynchronetBBS/sbbs, which has 111 GitHub stars. The repository holds 8 skills in this directory. The repository was last updated on October 6, 2026.

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