Agent skill

Golem Define Tool Moonbit

by golemcloud in golemcloud/golem

Defines a typed Golem tool provider in MoonBit. An agent skill from golemcloud/golem.

Custom licenceAuto-check passed

Install Golem Define Tool Moonbit

skills CLI
$ npx skills add golemcloud/golem --skill golem-define-tool-moonbit -a claude-code

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

GitHub CLI
$ gh skill install golemcloud/golem golem-define-tool-moonbit --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/golemcloud/golem.git skills-src && mkdir -p .claude/skills && cp -r skills-src/golem-skills/skills/moonbit/golem-define-tool-moonbit .claude/skills/golem-define-tool-moonbit && 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-define-tool-moonbit
GitHub stars
1.5k
Token cost
~200 tokens
SKILL.md length
49 words
Files
1
Skills in repo
289
Repo updated
First seen
Licence
Custom licence

At a glance

Defines a typed Golem tool provider in MoonBit. An agent skill from golemcloud/golem.

  • Creating tool commands
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Golem Define Tool Moonbit is an agent skill from golemcloud/golem. Defines a typed Golem tool provider in MoonBit. Use when creating tool commands, metadata, arguments, or errors.

Its SKILL.md is about 200 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: Golem Cloud is the agent-native platform for building AI agents and distributed applications that never lose state, never duplicate work, and never require you to build…

When your agent uses it

  • Creating tool commands

Example prompts

  • “Use the golem-define-tool-moonbit skill to define a typed Golem tool provider in MoonBit. An agent skill from golemcloud/golem”
  • “/golem-define-tool-moonbit”

What it can do on your machine

Read from SKILL.md and the folder at commit c6a3029. 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 (its code samples are moonbit).

    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 Define Tool Moonbit loads about 200 tokens when it runs. Until then it costs about 35 tokens; SKILL.md has 49 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~35
When it runs · the whole SKILL.md, loaded when a task matches
~200

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 49 words (~200 tokens).

“Annotate an empty struct with #derive.tool and implement commands as public static methods:”

— opening of SKILL.md by golemcloud, Custom licence
name
golem-define-tool-moonbit

Read the full SKILL.md on GitHub

Files

Just SKILL.md in golem-skills/skills/moonbit/golem-define-tool-moonbit of golemcloud/golem.

Open the folder on GitHubat commit c6a3029

Compare with similar skills

Golem Define Tool Moonbit 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 Define Tool Moonbit compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Golem Define Tool Moonbit this skillgolemcloud/golem1.5k—~200Automated safety check: PassCustom licence
Rust Path Typesopeninterpreter/openinterpreter69k2 repos~605Automated safety check: PassApache-2.0
Python Type Safetywshobson/agents40k—~1.4kAutomated safety check: PassMIT
Pyrefly Type Coveragepytorch/pytorch104k—~3kAutomated safety check: PassCustom licence
Golem Tools Middleware Moonbitgolemcloud/golem1.5k—~310Automated safety check: PassCustom licence
Golem Add Config Moonbitgolemcloud/golem1.5k—~1.1kAutomated safety check: PassCustom licence

Similar skills

  • Rust Path Types

    openinterpreter/openinterpreter

    Rules for choosing Rust types for filesystem paths in new Codex code, covering protocol types, internal use and model tool arguments.

    69k GitHub starsUsed in 2 repos~605 tokens
    DevelopmentAuto-check passed
  • Python Type Safety

    wshobson/agents

    Python type safety with type hints, generics, protocols, and strict type checking.

    40k GitHub stars~1.4k tokensUpdated 3 days ago
    DevelopmentAuto-check passed
  • Pyrefly Type Coverage

    pytorch/pytorch

    Migrate a file to use stricter Pyrefly type checking with annotations required for all functions, classes, and attributes.

    104k GitHub stars~3k tokensUpdated today
    DevelopmentAuto-check passed
  • Defines typed or universal Golem tool middleware in MoonBit.

    1.5k GitHub stars~310 tokensUpdated today
    Auto-check passed
  • Golem Add Config Moonbit

    golemcloud/golem

    Adding typed configuration to a MoonBit Golem agent. An agent skill from golemcloud/golem.

    1.5k GitHub stars~1.1k tokensUpdated today
    Auto-check passed
  • Golem Define Tool Rust

    golemcloud/golem

    Defines and implements a typed Golem tool in Rust. An agent skill from golemcloud/golem.

    1.5k GitHub stars~274 tokensUpdated today
    Auto-check passed

More from golemcloud/golem

All 289 skills in this repo
  • Moonbit C Binding

    golemcloud/golem

    Guide for writing MoonBit bindings to C libraries using native FFI.

    1.5k GitHub stars~3k tokensUpdated today
    Auto-check passed
  • Adding Dependencies

    golemcloud/golem

    Adding or updating crate dependencies in the Golem workspace.

    1.5k GitHub stars~1k tokensUpdated today
    Auto-check passed
  • Analysing CI Failures

    golemcloud/golem

    Analysing GitHub Actions CI failures from a run URL. An agent skill from golemcloud/golem.

    1.5k GitHub stars~862 tokensUpdated today
    Auto-check passed
  • Adds a built-in WASM plugin that is externally released and provisioned by the registry service.

    1.5k GitHub stars~1.1k tokensUpdated today
    Auto-check passed
  • DB Migration Scripts

    golemcloud/golem

    Writing database migration SQL scripts. An agent skill from golemcloud/golem.

    1.5k GitHub stars~1.5k tokensUpdated today
    Auto-check passed
  • Debugging Hanging Tests

    golemcloud/golem

    Diagnosing and fixing hanging worker executor or integration tests.

    1.5k GitHub stars~879 tokensUpdated today
    Auto-check passed

Questions about Golem Define Tool Moonbit

What does Golem Define Tool Moonbit do?

Defines a typed Golem tool provider in MoonBit. An agent skill from golemcloud/golem. Golem Define Tool Moonbit is an agent skill from golemcloud/golem. Defines a typed Golem tool provider in MoonBit.

When should I use Golem Define Tool Moonbit?

Golem Define Tool Moonbit fits situations like: creating tool commands.

How do I install Golem Define Tool Moonbit in Claude Code?

Run `npx skills add golemcloud/golem --skill golem-define-tool-moonbit -a claude-code`. Or copy the skill folder (golem-skills/skills/moonbit/golem-define-tool-moonbit in golemcloud/golem) into .claude/skills/golem-define-tool-moonbit in your project. Claude Code loads it when a task matches its description.

How do I install Golem Define Tool Moonbit in Codex?

Run `npx skills add golemcloud/golem --skill golem-define-tool-moonbit -a codex`. Or copy the skill folder (golem-skills/skills/moonbit/golem-define-tool-moonbit in golemcloud/golem) into .agents/skills/golem-define-tool-moonbit in your project. Codex loads it when a task matches its description.

Can I use Golem Define Tool Moonbit 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 golemcloud/golem --skill golem-define-tool-moonbit -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-define-tool-moonbit, .gemini/skills/golem-define-tool-moonbit, .github/skills/golem-define-tool-moonbit and .opencode/skills/golem-define-tool-moonbit in your project.

What does Golem Define Tool Moonbit need to run?

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

Does Golem Define Tool Moonbit 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 Define Tool Moonbit 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 Define Tool Moonbit use?

Golem Define Tool Moonbit 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 Define Tool Moonbit use?

About 200 tokens (SKILL.md is roughly 800 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 Golem Define Tool Moonbit?

Skills that share tags, products or a category with Golem Define Tool Moonbit: Rust Path Types (openinterpreter/openinterpreter, 69k stars), Python Type Safety (wshobson/agents, 40k stars), Pyrefly Type Coverage (pytorch/pytorch, 104k stars) and Golem Tools Middleware Moonbit (golemcloud/golem, 1.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Golem Define Tool Moonbit?

golemcloud (a GitHub organization) maintains it in golemcloud/golem, which has 1,507 GitHub stars. The repository holds 289 skills in this directory. The repository was last updated on October 8, 2026.

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