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Agent skill

Alfworld Receptacle Closer

by zjunlp in zjunlp/SkillNet

Closes an open receptacle to maintain environment tidiness after inspection.

MITAuto-check passedAgent Workflows

Install Alfworld Receptacle Closer

skills CLI
$ npx skills add zjunlp/SkillNet --skill alfworld-receptacle-closer -a claude-code

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

GitHub CLI
$ gh skill install zjunlp/SkillNet alfworld-receptacle-closer --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/zjunlp/SkillNet.git skills-src && mkdir -p .claude/skills && cp -r skills-src/experiments/src/skills/alfworld/alfworld-receptacle-closer .claude/skills/alfworld-receptacle-closer && 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
alfworld-receptacle-closer
GitHub stars
1.4k
Token cost
~347 tokens
SKILL.md length
154 words
Files
2 (incl. references)
Skills in repo
122
Repo updated
First seen
Licence
MIT

At a glance

Closes an open receptacle to maintain environment tidiness after inspection.

  • Works in 3 steps: Identify the Target: The target is the… → Execute Action: Perform the close action… → Format: Your output must follow the…
  • You have finished searching a container (drawer
  • SKILL.md covers When to Use, Core Instruction, Example from Trajectory and Key Principle
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Alfworld Receptacle Closer is an agent skill from zjunlp/SkillNet. Closes an open receptacle to maintain environment tidiness after inspection. Use when you have finished searching a container (drawer, cabinet, fridge) and no longer need it open. Takes a receptacle identifier as input and outputs confirmation that the receptacle is closed, preventing clutter during multi-step search tasks.

Its SKILL.md is about 350 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/action_primer.md`).

It sits in Agent Workflows. The repository describes itself as: Create, Evaluate, and Connect AI Skills. The licence is MIT.

When your agent uses it

  • You have finished searching a container (drawer
  • Fridge) and no longer need it open

Example prompts

  • “Use the alfworld-receptacle-closer skill to close an open receptacle to maintain environment tidiness after inspection”
  • “/alfworld-receptacle-closer”

Workflow steps

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

  1. Identify the Target: The target is the receptacle you just finished searching. It must be open.
  2. Execute Action: Perform the close action on the identified receptacle.
  3. Format: Your output must follow the standard action format: Action: close {recep}

What it can do on your machine

Read from SKILL.md and the folder at commit c527136. 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

Alfworld Receptacle Closer loads about 347 tokens when it runs, and up to ~555 if it reads all its reference files. Until then it costs about 88 tokens; SKILL.md has 154 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~88
When it runs · the whole SKILL.md, loaded when a task matches
~347
With references · SKILL.md plus every file in references/, read only if the agent opens them
~555

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

The full file from zjunlp/SkillNet at commit c527136, republished under its MIT licence (© zjunlp). 154 words, ~347 tokens.

Download SKILL.mdSave it as .claude/skills/alfworld-receptacle-closer/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
alfworld-receptacle-closer
description
Closes an open receptacle to maintain environment tidiness after inspection. Use when you have finished searching a container (drawer, cabinet, fridge) and no longer need it open. Takes a receptacle identifier as input and outputs confirmation that the receptacle is closed, preventing clutter during multi-step search tasks.

Skill: Receptacle Closer

When to Use

Use this skill immediately after you have finished inspecting the contents of an open receptacle (e.g., a drawer, cabinet, or container) and have determined you no longer need it to remain open. This is a cleanup action to maintain a tidy environment.

Core Instruction

  1. Identify the Target: The target is the receptacle you just finished searching. It must be open.
  2. Execute Action: Perform the close action on the identified receptacle.
  3. Format: Your output must follow the standard action format: Action: close {recep}

Example from Trajectory

  • Context: After opening and inspecting drawer 2 (finding it empty), the agent closed it.
  • Thought: "I should close drawer 2 to keep the room tidy and continue my search."
  • Action: close drawer 2

Key Principle

This is a low-cognitive-load, procedural step. Do not overthink it. If you opened a receptacle to look inside and are done with it, close it.

© zjunlp, MIT. 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 1 other file (references) in experiments/src/skills/alfworld/alfworld-receptacle-closer of zjunlp/SkillNet.

  • SKILL.md
  • references/action_primer.md

Open the folder on GitHubat commit c527136

Compare with similar skills

Alfworld Receptacle Closer 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.

Alfworld Receptacle Closer compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Alfworld Receptacle Closer this skillzjunlp/SkillNet1.4k—~347Automated safety check: PassMIT
MCP Server Builderanthropics/skills180k63 repos~2.3kAutomated safety check: PassApache-2.0
Hook Development for Claude Code Pluginsanthropics/claude-plugins-official38k10 repos~4.1kAutomated safety check: NotesApache-2.0
Using Superpowersfarm-fe/farm5.6k36 repos~1.4kAutomated safety check: PassMIT
Executing Plans Inlineobra/superpowers297k2 repos~5.1kAutomated safety check: PassMIT
Skill CreatorAzure/azqr79689 repos~8.2kAutomated safety check: PassApache-2.0

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More from zjunlp/SkillNet

All 122 skills in this repo

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  • Alfworld Appliance Preparer

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  • Alfworld Device Operator

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  • Alfworld Environment Scanner

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    Performs an initial scan of the ALFWorld environment to identify all visible objects and receptacles.

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  • Alfworld Heat Object With Appliance

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Categories

Questions about Alfworld Receptacle Closer

What does Alfworld Receptacle Closer do?

Closes an open receptacle to maintain environment tidiness after inspection. Alfworld Receptacle Closer is an agent skill from zjunlp/SkillNet. Closes an open receptacle to maintain environment tidiness after inspection.

When should I use Alfworld Receptacle Closer?

Alfworld Receptacle Closer fits situations like: you have finished searching a container (drawer; fridge) and no longer need it open.

How do I install Alfworld Receptacle Closer in Claude Code?

Run `npx skills add zjunlp/SkillNet --skill alfworld-receptacle-closer -a claude-code`. Or copy the skill folder (experiments/src/skills/alfworld/alfworld-receptacle-closer in zjunlp/SkillNet) into .claude/skills/alfworld-receptacle-closer in your project. Claude Code loads it when a task matches its description.

How do I install Alfworld Receptacle Closer in Codex?

Run `npx skills add zjunlp/SkillNet --skill alfworld-receptacle-closer -a codex`. Or copy the skill folder (experiments/src/skills/alfworld/alfworld-receptacle-closer in zjunlp/SkillNet) into .agents/skills/alfworld-receptacle-closer in your project. Codex loads it when a task matches its description.

Can I use Alfworld Receptacle Closer 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 zjunlp/SkillNet --skill alfworld-receptacle-closer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/alfworld-receptacle-closer, .gemini/skills/alfworld-receptacle-closer, .github/skills/alfworld-receptacle-closer and .opencode/skills/alfworld-receptacle-closer in your project.

What does Alfworld Receptacle Closer need to run?

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

Does Alfworld Receptacle Closer 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 Alfworld Receptacle Closer 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 Alfworld Receptacle Closer use?

Alfworld Receptacle Closer is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Alfworld Receptacle Closer use?

About 347 tokens (SKILL.md is roughly 1.4k 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 208 tokens, read only when the agent opens those files.

What are the alternatives to Alfworld Receptacle Closer?

Skills that share tags, products or a category with Alfworld Receptacle Closer: MCP Server Builder (anthropics/skills, 180k stars), Hook Development for Claude Code Plugins (anthropics/claude-plugins-official, 38k stars), Using Superpowers (farm-fe/farm, 5.6k stars) and Executing Plans Inline (obra/superpowers, 297k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Alfworld Receptacle Closer?

zjunlp (a GitHub organization) maintains it in zjunlp/SkillNet, which has 1,397 GitHub stars. The repository holds 122 skills in this directory. The repository was last updated on October 9, 2026.

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