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Agent skill

Booker

by BuilderIO in BuilderIO/agent-native

Public booking flow — the state machine, animations, and URL/app-state sync.

No licenceAuto-check passedFrontend & Design

Install Booker

skills CLI
$ npx skills add BuilderIO/agent-native --skill booker -a claude-code

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

GitHub CLI
$ gh skill install BuilderIO/agent-native booker --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/packages/scheduling/docs/skills/booker .claude/skills/booker && 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
booker
GitHub stars
7.1k
Token cost
~400 tokens
SKILL.md length
188 words
Files
1
Skills in repo
102
Repo updated
First seen
Licence
None found

At a glance

Public booking flow — the state machine, animations, and URL/app-state sync.

  • Works in 4 steps: pick-date — month grid shows days with… → pick-slot — available slots on the… → fill-form — attendee form (name, email,… → …
  • Frontend & Design work in your project
  • SKILL.md covers Stages, Animations, Timezone + 12/24h and URL + application-state sync, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Booker is an agent skill from BuilderIO/agent-native. Public booking flow — the state machine, animations, and URL/app-state sync.

Its SKILL.md is about 400 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: A framework for building agentic apps.

When your agent uses it

  • Frontend & Design work in your project

Example prompts

  • “/booker”

Workflow steps

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

  1. pick-date — month grid shows days with availability
  2. pick-slot — available slots on the selected day
  3. fill-form — attendee form (name, email, custom fields)
  4. success — confirmation with add-to-calendar buttons

What it can do on your machine

Read from SKILL.md and the folder at commit e16da0c. 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

Booker loads about 400 tokens when it runs. Until then it costs about 21 tokens; SKILL.md has 188 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~21
When it runs · the whole SKILL.md, loaded when a task matches
~400

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 188 words (~400 tokens).

“Plus reschedule mode — prefilled from existing booking uid.”

— opening of SKILL.md by BuilderIO
name
booker

Read the full SKILL.md on GitHub

Files

Just SKILL.md in packages/scheduling/docs/skills/booker of BuilderIO/agent-native.

Open the folder on GitHubat commit e16da0c

Compare with similar skills

Booker 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.

Booker compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Booker this skillBuilderIO/agent-native7.1k—~400Automated safety check: PassNone
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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    Scans React code for lint, accessibility, bundle size and architecture issues, reports a health score and checks that changes do not lower it.

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More from BuilderIO/agent-native

All 102 skills in this repo

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  • Client Methods

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  • Adding A Feature

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    The four-area checklist every new feature must complete. An agent skill from BuilderIO/agent-native.

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  • Address Feedback

    BuilderIO/agent-native

    Triage feedback from docs, issues, Slack threads, or pasted notes into verified bugs, UX proposals, unclear questions, and skipped noise.

    7.1k GitHub stars~4.4k tokensUpdated today
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  • Audit Log

    BuilderIO/agent-native

    Durable, access-scoped, append-only record of who changed what app data, when, and whether it was the agent or a human.

    7.1k GitHub stars~2k tokensUpdated today
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  • Automations

    BuilderIO/agent-native

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Categories

Questions about Booker

What does Booker do?

Public booking flow — the state machine, animations, and URL/app-state sync. Booker is an agent skill from BuilderIO/agent-native. Public booking flow — the state machine, animations, and URL/app-state sync.

When should I use Booker?

Booker fits situations like: frontend & Design work in your project.

How do I install Booker in Claude Code?

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

How do I install Booker in Codex?

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

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

What does Booker need to run?

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

Does Booker 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 Booker 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 Booker use?

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

How many tokens does Booker use?

About 400 tokens (SKILL.md is roughly 1.6k 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 Booker?

Skills that share tags, products or a category with Booker: 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 Booker?

BuilderIO (a GitHub organization) maintains it in BuilderIO/agent-native, which has 7,087 GitHub stars. The repository holds 102 skills in this directory. The repository was last updated on October 8, 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.