Agent skill

Golem App Builder

by ThinkR-open in ThinkR-open/golem

End-to-end builder for golem Shiny applications. An agent skill from ThinkR-open/golem.

Custom licenceAuto-check passed

Install Golem App Builder

skills CLI
$ npx skills add ThinkR-open/golem --skill golem-app-builder -a claude-code

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

GitHub CLI
$ gh skill install ThinkR-open/golem golem-app-builder --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/ThinkR-open/golem.git skills-src && mkdir -p .claude/skills && cp -r skills-src/inst/agent-skills/skills/golem-app-builder .claude/skills/golem-app-builder && 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
golem-app-builder
GitHub stars
946
Token cost
~538 tokens
SKILL.md length
169 words
Files
7 (incl. references)
Skills in repo
9
Repo updated
First seen
Licence
Custom licence

At a glance

End-to-end builder for golem Shiny applications. An agent skill from ThinkR-open/golem.

  • Works in 3 steps: Identify the user's intent from the… → Load the matching reference file from… → Follow its instructions, falling back to…
  • SKILL.md covers How to use this skill, Reference index and Important
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Golem App Builder is an agent skill from ThinkR-open/golem. End-to-end builder for golem Shiny applications. Routes to the relevant reference based on the user's intent (create the app, add modules, add functions, run tests, check the package, validate namespacing). Triggers on: - "build a golem app" - "work on my golem app" - "scaffold a golem app" - "evolve a golem app" Do not trigger on: - when the user is not working inside a golem app and is not creating one - when the user is building a Shiny app without golem

Its SKILL.md is about 540 tokens, which your agent loads only when the skill is triggered. The skill folder holds 7 other files, including reference files (for example `references/add-function.md`, `references/add-module.md` and `references/check-app.md`).

The repository describes itself as: A Framework for Building Robust Shiny Apps.

Example prompts

  • “build a golem app”
  • “work on my golem app”
  • “scaffold a golem app”
  • “/golem-app-builder”

Workflow steps

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

  1. Identify the user's intent from the conversation.
  2. Load the matching reference file from references/.
  3. Follow its instructions, falling back to the other golem skills

What it can do on your machine

Read from SKILL.md and the folder at commit fed0c3c. 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

Golem App Builder loads about 538 tokens when it runs, and up to ~3.6k if it reads all its reference files. Until then it costs about 123 tokens; SKILL.md has 169 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~123
When it runs · the whole SKILL.md, loaded when a task matches
~538
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.6k

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

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 169 words (~538 tokens).

“You are helping a user build or evolve a golem Shiny application end-to-end. Use the bundled references in references/ as the source of truth for each phase of the workflow.”

— opening of SKILL.md by ThinkR-open, Custom licence
name
golem-app-builder

Read the full SKILL.md on GitHub

Files

SKILL.md and 6 other files (references) in inst/agent-skills/skills/golem-app-builder of ThinkR-open/golem.

  • SKILL.md
  • references/add-function.md
  • references/add-module.md
  • references/check-app.md
  • references/check-ns.md
  • references/create-golem.md
  • references/run-tests.md

Open the folder on GitHubat commit fed0c3c

Compare with similar skills

Golem App Builder 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.

Golem App Builder compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Golem App Builder this skillThinkR-open/golem946—~538Automated safety check: PassCustom licence
OmniRoute Routing CLIdiegosouzapw/OmniRoute74k—~342Automated safety check: PassMIT
OmniRoute Combo Routingdiegosouzapw/OmniRoute74k—~2.1kAutomated safety check: PassMIT
Intelligence Routeruvnet/ruflo74k—~874Automated safety check: NotesMIT
Team Builderaffaan-m/ECC276k1 repos~1.8kAutomated safety check: PassMIT
Team Builderaffaan-m/ECC276k1 repos~808Automated safety check: PassMIT

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More from ThinkR-open/golem

All 9 skills in this repo
  • Golem Add Function

    ThinkR-open/golem

    Add functions to a golem Shiny application. An agent skill from ThinkR-open/golem.

    946 GitHub stars~647 tokensUpdated 24 days ago
    Auto-check passed
  • Golem Add Module

    ThinkR-open/golem

    Add a module to an existing golem Shiny application. An agent skill from ThinkR-open/golem.

    946 GitHub stars~565 tokensUpdated 24 days ago
    Auto-check passed
  • Golem Fix Missing Ns

    ThinkR-open/golem

    Validate that all module input/output IDs are properly namespaced.

    946 GitHub stars~820 tokensUpdated 24 days ago
    Auto-check passed
  • Golem Run Tests

    ThinkR-open/golem

    Run tests for a golem Shiny application. An agent skill from ThinkR-open/golem.

    946 GitHub stars~553 tokensUpdated 24 days ago
    Auto-check passed
  • Golem Check App

    ThinkR-open/golem

    Check a golem Shiny application for package issues. An agent skill from ThinkR-open/golem.

    946 GitHub stars~391 tokensUpdated 24 days ago
    Auto-check passed
  • Golem Upgrade

    ThinkR-open/golem

    Upgrades the golem Shiny app with the newest golem package features.

    946 GitHub stars~657 tokensUpdated 24 days ago
    Auto-check passed

Questions about Golem App Builder

What does Golem App Builder do?

End-to-end builder for golem Shiny applications. An agent skill from ThinkR-open/golem. Golem App Builder is an agent skill from ThinkR-open/golem. End-to-end builder for golem Shiny applications.

How do I install Golem App Builder in Claude Code?

Run `npx skills add ThinkR-open/golem --skill golem-app-builder -a claude-code`. Or copy the skill folder (inst/agent-skills/skills/golem-app-builder in ThinkR-open/golem) into .claude/skills/golem-app-builder in your project. Claude Code loads it when a task matches its description.

How do I install Golem App Builder in Codex?

Run `npx skills add ThinkR-open/golem --skill golem-app-builder -a codex`. Or copy the skill folder (inst/agent-skills/skills/golem-app-builder in ThinkR-open/golem) into .agents/skills/golem-app-builder in your project. Codex loads it when a task matches its description.

Can I use Golem App Builder 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 ThinkR-open/golem --skill golem-app-builder -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/golem-app-builder, .gemini/skills/golem-app-builder, .github/skills/golem-app-builder and .opencode/skills/golem-app-builder in your project.

What does Golem App Builder need to run?

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

Does Golem App Builder 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 Golem App Builder 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 Golem App Builder use?

Golem App Builder 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 Golem App Builder use?

About 538 tokens (SKILL.md is roughly 2.2k 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 3k tokens, read only when the agent opens those files.

What are the alternatives to Golem App Builder?

Skills that share tags, products or a category with Golem App Builder: OmniRoute Routing CLI (diegosouzapw/OmniRoute, 74k stars), OmniRoute Combo Routing (diegosouzapw/OmniRoute, 74k stars), Intelligence Route (ruvnet/ruflo, 74k stars) and Team Builder (affaan-m/ECC, 276k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Golem App Builder?

ThinkR-open (a GitHub organization) maintains it in ThinkR-open/golem, which has 946 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on September 15, 2026.

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