Agent Browser CLI
vercel-labs/agent-browser
Browser automation CLI for AI agents. Use when the user needs to interact with websites, including navigating pages, filling forms, clicking buttons, taking…
Views, sets, unsets and validates cmux settings in ~/.config/cmux/cmux.json with a helper script that checks keys against the schema.
Install cmux Settings Editor
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install basicmachines-co/basic-memory cmux-settings --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/cmux-settings .claude/skills/cmux-settings && rm -rf skills-srcUse ~/.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/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .claude/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settingsType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install basicmachines-co/basic-memory cmux-settings --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/cmux-settings .agents/skills/cmux-settings && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .agents/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install basicmachines-co/basic-memory cmux-settings --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/cmux-settings .cursor/skills/cmux-settings && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .cursor/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/basicmachines-co/basic-memory.git --path .agents/skills/cmux-settings--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install basicmachines-co/basic-memory cmux-settings --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/cmux-settings .gemini/skills/cmux-settings && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .gemini/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install basicmachines-co/basic-memory cmux-settingsInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/cmux-settings .github/skills/cmux-settings && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .github/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add basicmachines-co/basic-memory --skill cmux-settings -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install basicmachines-co/basic-memory cmux-settings --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/basicmachines-co/basic-memory.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/cmux-settings .opencode/skills/cmux-settings && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "cmux-settings" agent skill from https://github.com/basicmachines-co/basic-memory/tree/main/.agents/skills/cmux-settings into .opencode/skills/cmux-settings/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "cmux-settings", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
cmux-settings- GitHub stars
- 4.1k
- Used in
- 1 other repo
- Token cost
- ~1.3k tokens
- SKILL.md length
- 439 words
- Files
- 5 (incl. scripts, references)
- Skills in repo
- 49
- Repo updated
- First seen
- Licence
- AGPL-3.0
At a glance
Views, sets, unsets and validates cmux settings in ~/.config/cmux/cmux.json with a helper script that checks keys against the schema.
- Works in 4 steps: Look up the key when the user named a… → Set it. JSON literals must be valid JSON. → Read back and cmux-settings validate. → …
- Changing a cmux preference such as appearance or sidebar behavior
- SKILL.md covers Helper script, Workflow, Quick reference and Rules
- Calls rg; reaches raw.githubusercontent.com
What it does
cmux reads settings from ~/.config/cmux/cmux.json, a JSONC file that a watcher applies on save without a restart, with an older settings.json used only as a fallback for keys that are missing. The skill requires every read and write to go through the bundled cmux-settings helper, which strips comments, writes atomically and validates keys against the schema.
Subcommands print the config path, dump the file with or without comments, get or set a value by dotted JSON path, unset a key to restore the app default, list every supported path, validate the file for unknown keys and open it in an editor. Values are parsed as JSON, and plain words are stored as strings. The settings sections include app, terminal, notifications, sidebar, sidebarAppearance, workspaceColors, automation, browser and shortcuts, and one reference lists all keys while another lists shortcut actions.
When your agent uses it
- Changing a cmux preference such as appearance or sidebar behavior
- Rebinding a cmux keyboard shortcut
- Finding which settings keys cmux recognizes
- Validating cmux.json for unknown keys
Example prompts
- “Set cmux to dark appearance.”
- “Make the cmux sidebar match the terminal background.”
- “Rebind the new tab shortcut in cmux to ctrl+b then c.”
- “Validate my cmux.json and tell me about any unknown keys.”
Requirements
- The cmux app, with its settings file at ~/.config/cmux/cmux.json
Workflow steps
4 steps, taken from the first numbered list in SKILL.md.
- Look up the key when the user named a setting in plain English
- Set it. JSON literals must be valid JSON.
- Read back and cmux-settings validate.
- Tell the user it auto-reloaded, and that cmux-settings unset reverts it.
What it can do on your machine
Read from SKILL.md and the folder at commit cb7407f. 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 1 file in scripts/, which the agent can run.
Shell commands in SKILL.md call:
rg
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
raw.githubusercontent.com
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
cmux Settings Editor loads about 1.3k tokens when it runs, and up to ~5.5k if it reads all its reference files. Until then it costs about 109 tokens; SKILL.md has 439 words of instructions outside code blocks.
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); the scripts in this folder are not scanned.
SKILL.md
The full file from basicmachines-co/basic-memory at commit cb7407f, republished under its AGPL-3.0 licence (© basicmachines-co). 439 words, ~1,260 tokens.
Download SKILL.mdSave it as
.claude/skills/cmux-settings/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.- name
- cmux-settings
- description
- View and edit cmux settings in ~/.config/cmux/cmux.json. Use when the user wants to change cmux preferences (appearance, sidebar, notifications, automation, browser, shortcuts), set a value by JSON path, validate the file, open it in an editor, or look up which keys cmux recognizes. Triggers on '/cmux-settings', 'change cmux setting', 'set <something> in cmux', 'cmux config', 'cmux.json', or 'rebind a cmux shortcut'.
cmux-settings
cmux reads user settings from ~/.config/cmux/cmux.json (JSONC). A file watcher applies changes on save, no restart. Legacy ~/.config/cmux/settings.json is read only as a fallback for keys absent from cmux.json.
Schema: https://raw.githubusercontent.com/manaflow-ai/cmux/main/web/data/cmux.schema.json. The authoritative path list is Sources/CmuxSettingsJSONPathSupport.swift; the installed skill carries a generated copy in references/all-keys.md. Settings sections are app, terminal, notifications, sidebar, sidebarAppearance, workspaceColors, automation, browser, shortcuts. Non-settings sections (actions, ui, commands, vault, rightSidebar) share the same file.
Helper script
Use the bundled helper for every read/write. It strips JSONC comments, writes atomically, and validates keys against the schema.
skills/cmux-settings/scripts/cmux-settings <subcommand> # from a cmux checkout
~/.codex/skills/cmux-settings/scripts/cmux-settings <subcommand> # installed Codex skillThe rest of this doc assumes it is on $PATH as cmux-settings; from a checkout, export PATH="$PWD/skills/cmux-settings/scripts:$PATH".
| Command | What it does |
|---|---|
cmux-settings path | Print the config path. |
cmux-settings dump | Print the raw file (preserves comments). |
cmux-settings dump --no-comments | Print the parsed JSON. |
cmux-settings get <a.b.c> | Print value at dotted JSON path. |
cmux-settings set <a.b.c> <value> | Set value. <value> is parsed as JSON (true, 42, "text", […], {…}); unquoted plain words are stored as strings. |
cmux-settings unset <a.b.c> | Delete key, reverting to the in-app default. |
cmux-settings list-supported | List every settings JSON path the app recognizes. |
cmux-settings validate | Parse the file and flag unknown settings keys. |
cmux-settings open | Open cmux.json in $EDITOR, VS Code, Cursor, or TextEdit. |
--file <path> overrides the target file, useful for --file ~/.config/cmux/settings.json.
Workflow
- Look up the key when the user named a setting in plain English:
bash cmux-settings list-supported | rg -i 'sidebar.*terminal|terminal.*sidebar' - Set it. JSON literals must be valid JSON.
bash cmux-settings set sidebarAppearance.matchTerminalBackground true cmux-settings set app.appearance dark cmux-settings set shortcuts.bindings.newTab '["ctrl+b","c"]' cmux-settings set browser.hostsToOpenInEmbeddedBrowser '["localhost","*.internal.example"]' - Read back and
cmux-settings validate. - Tell the user it auto-reloaded, and that
cmux-settings unset <key>reverts it.
Show full SKILL.md (182 more words)Show less
Quick reference
- Appearance:
app.appearance("system" | "light" | "dark"),app.appIcon,app.menuBarOnly,app.minimalMode. - Sidebar tint:
sidebarAppearance.matchTerminalBackground,.tintColor,.tintOpacity(0..1). - Sidebar details:
sidebar.hideAllDetails,.showBranchDirectory,.showPullRequests,.showPorts,.showLog. - Notifications:
notifications.dockBadge,.sound(enum including"none","custom_file"),.customSoundFilePath,.hooks(array). - Browser:
browser.defaultSearchEngine,.theme,.openTerminalLinksInCmuxBrowser,.hostsToOpenInEmbeddedBrowser. - Automation:
automation.socketControlMode(off | cmuxOnly | automation | password | allowAll),.portBase,.portRange. - Shortcuts:
shortcuts.bindings.<actionId>="cmd+b",["ctrl+b","c"],null, or""to unbind. Action ids in references/shortcut-actions.md.
Full list of settings, defaults, and descriptions: cmux-settings list-supported or references/all-keys.md.
Rules
- Only edit
cmux.json. Neversettings.jsonunless the user explicitly asks; it is legacy and read only when a key is absent fromcmux.json. - Never tell the user to restart cmux. The file watcher reloads on save.
- Always
cmux-settings validateafter a bulk edit. Unknown keys mean the user pasted a key the app does not consume. - Do not blindly overwrite
actions,ui,commands,vault, orrightSidebar; they share the file and hold hand-tuned non-settings config. - Shortcut action ids must match the schema enum. Look them up before binding.
- Colors are
#RRGGBB; opacities are0..1. - Translate app-level phrasing ("Settings > Notifications > Dock badge") to the JSON path first;
web/app/[locale]/(landing)/docs/configuration/page.tsxmirrors the schema 1:1.
© basicmachines-co, AGPL-3.0. 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 4 other files (scripts, references) in .agents/skills/cmux-settings of basicmachines-co/basic-memory.
- SKILL.md
- agents/openai.yaml
- references/all-keys.md
- references/shortcut-actions.md
- scripts/cmux-settings
Open the folder on GitHubat commit cb7407f
Used in 1 other repository
We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in basicmachines-co/basic-memory, which our catalogue first saw on October 7, 2026.
Compare with similar skills
cmux Settings Editor 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| cmux Settings Editor this skillbasicmachines-co/basic-memory | 4.1k | 1 repos | ~1.3k | Automated safety check: Pass | AGPL-3.0 | |
| Agent Browser CLIvercel-labs/agent-browser | 44k | 24 repos | ~864 | Automated safety check: Pass | Apache-2.0 | |
| Agent ReachPanniantong/Agent-Reach | 93k | 1 repos | ~1.4k | Automated safety check: Pass | MIT | |
| Agent Browserquran/quran.com-frontend-next | 1.9k | 42 repos | ~3.3k | Automated safety check: Pass | None | |
| Web Access via Browser CDPeze-is/web-access | 9.1k | 4 repos | ~2.2k | Automated safety check: Pass | MIT | |
| Process Inboxtelegramdesktop/tdesktop | 33k | 2 repos | ~4.5k | Automated safety check: Pass | GPL-3.0 |
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Categories
Questions about cmux Settings Editor
What does cmux Settings Editor do?
Views, sets, unsets and validates cmux settings in ~/.config/cmux/cmux.json with a helper script that checks keys against the schema. json used only as a fallback for keys that are missing. The skill requires every read and write to go through the bundled cmux-settings helper, which strips comments, writes atomically and validates keys against the schema.
When should I use cmux Settings Editor?
cmux Settings Editor fits situations like: changing a cmux preference such as appearance or sidebar behavior; rebinding a cmux keyboard shortcut; finding which settings keys cmux recognizes; validating cmux.json for unknown keys.
How do I install cmux Settings Editor in Claude Code?
Run `npx skills add basicmachines-co/basic-memory --skill cmux-settings -a claude-code`. Or copy the skill folder (.agents/skills/cmux-settings in basicmachines-co/basic-memory) into .claude/skills/cmux-settings in your project. Claude Code loads it when a task matches its description.
How do I install cmux Settings Editor in Codex?
Run `npx skills add basicmachines-co/basic-memory --skill cmux-settings -a codex`. Or copy the skill folder (.agents/skills/cmux-settings in basicmachines-co/basic-memory) into .agents/skills/cmux-settings in your project. Codex loads it when a task matches its description.
Can I use cmux Settings Editor 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 basicmachines-co/basic-memory --skill cmux-settings -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cmux-settings, .gemini/skills/cmux-settings, .github/skills/cmux-settings and .opencode/skills/cmux-settings in your project.
What does cmux Settings Editor need to run?
Going by SKILL.md and its folder, cmux Settings Editor needs the command-line tools its instructions call (rg). Our summary lists: The cmux app, with its settings file at ~/.config/cmux/cmux.json.
Does cmux Settings Editor access the network?
SKILL.md names 1 domain. In commands or code: raw.githubusercontent.com; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.
Is cmux Settings Editor 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.
What licence does cmux Settings Editor use?
cmux Settings Editor is published under the AGPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does cmux Settings Editor use?
About 1.3k tokens (SKILL.md is roughly 5k 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 4.3k tokens, read only when the agent opens those files.
What are the alternatives to cmux Settings Editor?
Skills that share tags, products or a category with cmux Settings Editor: Agent Browser CLI (vercel-labs/agent-browser, 44k stars), Agent Reach (Panniantong/Agent-Reach, 93k stars), Agent Browser (quran/quran.com-frontend-next, 1.9k stars) and Web Access via Browser CDP (eze-is/web-access, 9.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains cmux Settings Editor?
basicmachines-co (a GitHub organization) maintains it in basicmachines-co/basic-memory, which has 4,115 GitHub stars. The repository holds 49 skills in this directory. The repository was last updated on October 7, 2026.
Source: basicmachines-co/basic-memory on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.