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Agent skill

Chat First Workbench

by BuilderIO in BuilderIO/agent-native

Implement or extend the opt-in Codex/T3-like chat-first shell.

No licenceAuto-check passedBackend & APIs

Install Chat First Workbench

skills CLI
$ npx skills add BuilderIO/agent-native --skill chat-first-workbench -a claude-code

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

GitHub CLI
$ gh skill install BuilderIO/agent-native chat-first-workbench --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/BuilderIO/agent-native.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/chat-first-workbench .claude/skills/chat-first-workbench && 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
chat-first-workbench
GitHub stars
7.1k
Token cost
~622 tokens
SKILL.md length
327 words
Files
1
Skills in repo
102
Repo updated
First seen
Licence
None found

At a glance

Implement or extend the opt-in Codex/T3-like chat-first shell.

  • Changing chat rails
  • SKILL.md covers Contract, Client behavior, Agent and state boundaries and Verification
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Contextual app panes

What it does

Chat First Workbench is an agent skill from BuilderIO/agent-native. Implement or extend the opt-in Codex/T3-like chat-first shell. Use when changing chat rails, contextual app panes, app opening, or local/mobile shell preferences across Electron, Dispatch, or mobile.

Its SKILL.md is about 620 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 Backend & APIs, covering Backend development. The repository describes itself as: A framework for building agentic apps.

When your agent uses it

  • Changing chat rails
  • Contextual app panes
  • Local/mobile shell preferences across Electron

Example prompts

  • “/chat-first-workbench”

What it can do on your machine

Read from SKILL.md and the folder at commit be0d784. 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.

Context cost

Chat First Workbench loads about 622 tokens when it runs. Until then it costs about 55 tokens; SKILL.md has 327 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~55
When it runs · the whole SKILL.md, loaded when a task matches
~622

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 327 words (~622 tokens).

“The chat remains the primary surface. Workspace apps are a bounded discovery rail, not a second navigation system. An app pane is opened from an explicit app selection or a completed open_app action and carries only an app id plus…”

— opening of SKILL.md by BuilderIO
name
chat-first-workbench
scope
dev

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/chat-first-workbench of BuilderIO/agent-native.

Open the folder on GitHubat commit be0d784

Compare with similar skills

Chat First Workbench 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.

Chat First Workbench compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Chat First Workbench this skillBuilderIO/agent-native7.1k—~622Automated safety check: PassNone
Configuring Horizoncoollabsio/coolify63k4 repos~898Automated safety check: PassMIT
Fortify Developmentcoollabsio/coolify63k4 repos~1.9kAutomated safety check: PassMIT
Node Backend Development Guidelinesdiet103/claude-code-infrastructure-showcase10k2 repos~2kAutomated safety check: PassMIT
Laravel Best Practicesanonaddy/anonaddy4.9k13 repos~1.2kAutomated safety check: PassMIT
Laravel Actionscoollabsio/coolify63k—~2.4kAutomated safety check: PassApache-2.0

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  • Audit Log

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  • Automations

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Categories

Questions about Chat First Workbench

What does Chat First Workbench do?

Implement or extend the opt-in Codex/T3-like chat-first shell. Chat First Workbench is an agent skill from BuilderIO/agent-native. Implement or extend the opt-in Codex/T3-like chat-first shell.

When should I use Chat First Workbench?

Chat First Workbench fits situations like: changing chat rails; contextual app panes; local/mobile shell preferences across Electron.

How do I install Chat First Workbench in Claude Code?

Run `npx skills add BuilderIO/agent-native --skill chat-first-workbench -a claude-code`. Or copy the skill folder (.agents/skills/chat-first-workbench in BuilderIO/agent-native) into .claude/skills/chat-first-workbench in your project. Claude Code loads it when a task matches its description.

How do I install Chat First Workbench in Codex?

Run `npx skills add BuilderIO/agent-native --skill chat-first-workbench -a codex`. Or copy the skill folder (.agents/skills/chat-first-workbench in BuilderIO/agent-native) into .agents/skills/chat-first-workbench in your project. Codex loads it when a task matches its description.

Can I use Chat First Workbench 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 BuilderIO/agent-native --skill chat-first-workbench -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/chat-first-workbench, .gemini/skills/chat-first-workbench, .github/skills/chat-first-workbench and .opencode/skills/chat-first-workbench in your project.

What does Chat First Workbench need to run?

SKILL.md names no scripts, command-line tools or credentials: Chat First Workbench is instructions for the agent only.

Does Chat First Workbench 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 Chat First Workbench 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 Chat First Workbench use?

No licence was found for Chat First Workbench or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Chat First Workbench use?

About 622 tokens (SKILL.md is roughly 2.5k 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 Chat First Workbench?

Skills that share tags, products or a category with Chat First Workbench: Configuring Horizon (coollabsio/coolify, 63k stars), Fortify Development (coollabsio/coolify, 63k stars), Node Backend Development Guidelines (diet103/claude-code-infrastructure-showcase, 10k stars) and Laravel Best Practices (anonaddy/anonaddy, 4.9k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Chat First Workbench?

BuilderIO (a GitHub organization) maintains it in BuilderIO/agent-native, which has 7,103 GitHub stars. The repository holds 102 skills in this directory. The repository was last updated on October 9, 2026.

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