Agent skill

Benchmark

Run the Objeck CLBG benchmarks and the cross-language comparison in Docker, report median times and peak RSS, and flag regressions against docs/performance.md

Custom licenceAuto-check passedDevOps & Cloud

Install Benchmark

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a claude-code

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

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark --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/objeck/objeck-lang.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/benchmark .claude/skills/benchmark && 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/

Paste into Claude Code

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .claude/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/objeck/objeck-lang.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/benchmark .agents/skills/benchmark && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .agents/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/objeck/objeck-lang.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/benchmark .cursor/skills/benchmark && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .cursor/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/objeck/objeck-lang.git --path .claude/skills/benchmark

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/objeck/objeck-lang.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/benchmark .gemini/skills/benchmark && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .gemini/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/objeck/objeck-lang.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/benchmark .github/skills/benchmark && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .github/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add objeck/objeck-lang --skill benchmark -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install objeck/objeck-lang benchmark --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/objeck/objeck-lang.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/benchmark .opencode/skills/benchmark && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "benchmark" agent skill from https://github.com/objeck/objeck-lang/tree/master/.claude/skills/benchmark into .opencode/skills/benchmark/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "benchmark", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: benchmark
GitHub stars: 164
Token cost: ~690 tokens
SKILL.md length: 216 words
Files: 1
Skills in repo: 5
Repo updated: Oct 8, 2026
First seen: Oct 7, 2026
Licence: Custom licence

At a glance

Run the Objeck CLBG benchmarks and the cross-language comparison in Docker, report median times and peak RSS, and flag regressions against docs/performance.md

Works in 3 steps: Build the Docker benchmark image from… → Run the benchmarks inside Docker for… → Objeck CLBG benchmarks (compile with…
Tasks that involve Containers
SKILL.md covers Invocation, Instructions, Example Docker command and Notes
Calls docker, python3 and ruby

What it does

Benchmark is an agent skill from objeck/objeck-lang. Run the Objeck CLBG benchmarks and the cross-language comparison in Docker, report median times and peak RSS, and flag regressions against docs/performance.md

Its SKILL.md is about 690 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 DevOps & Cloud, covering Containers. It works with Docker, Lua, Python and Ruby. The repository describes itself as: Lightweight object-oriented and functional programming language. Designed to be intuitive, small, cross-platform, and fast. The language emphasizes portability, scalability, and…

When your agent uses it

Tasks that involve Containers

Example prompts

“/benchmark”

Requirements

Python 3
Docker

Workflow steps

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

Build the Docker benchmark image from the current source
Run the benchmarks inside Docker for reproducible results. Use /usr/bin/time -f "%e %M" for timing and peak RSS. Run each benchmark 3…
Objeck CLBG benchmarks (compile with -opt s3)

What it can do on your machine

Read from SKILL.md and the folder at commit 641bf7f. 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
Shell commands in SKILL.md call:
- docker
- python3
- ruby
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use docker, which can reach the network depending on how they are called.
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

Benchmark loads about 690 tokens when it runs. Until then it costs about 42 tokens; SKILL.md has 216 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~42
When it runs · the whole SKILL.md, loaded when a task matches: ~690

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 216 words (~690 tokens).

“Run CLBG benchmarks and cross-language comparisons using Docker.”

— opening of SKILL.md by objeck, Custom licence

name: benchmark
argument-hint: [objeck | cross | <benchmark>] e.g. binarytrees (optional — runs everything by default)

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/benchmark of objeck/objeck-lang.

Open the folder on GitHubat commit 641bf7f

Compare with similar skills

Benchmark 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.

Benchmark compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Benchmark this skillobjeck/objeck-lang	164	—	~690	Automated safety check: Pass	Custom licence	today
Swig CI Reproswig/swig	6.3k	—	~1.2k	Automated safety check: Pass	Custom licence	2 days ago
Minimegasandia-minimega/minimega	160	—	~3.2k	Automated safety check: Pass	GPL-3.0-only	2 days ago
Unraiddinglebear-ai/unraid	135	—	~5.4k	Automated safety check: Notes	MIT	5 days ago
Generate Nemo Gym Envadithya-s-k/FineEnvs	456	—	~2.1k	Automated safety check: Pass	Apache-2.0	today
Cosmos3 Env TroubleshootNVIDIA/cosmos-framework	559	—	~1.3k	Automated safety check: Notes	Custom licence	today

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Swig CI Repro
swig/swig
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6.3k GitHub stars~1.2k tokensUpdated 2 days ago
DevOps & CloudAuto-check passed
Minimega
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This skill should be used when the user asks how to configure, run, automate, integrate, or troubleshoot minimega (VMs, namespaces, VLANs, clusters, miniccc, miniweb, command socket or Python API…
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Unraid
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DevOps & CloudAuto-check: notes
Generate Nemo Gym Env
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Builds a NeMo Gym (NVIDIA) variant of an RL environment. An agent skill from adithya-s-k/FineEnvs.
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DevOps & CloudAuto-check passed
Cosmos3 Env Troubleshoot
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Questions about Benchmark

What does Benchmark do?

Run the Objeck CLBG benchmarks and the cross-language comparison in Docker, report median times and peak RSS, and flag regressions against docs/performance.md. Benchmark is an agent skill from objeck/objeck-lang.

When should I use Benchmark?

Benchmark fits situations like: tasks that involve Containers.

How do I install Benchmark in Claude Code?

Run `npx skills add objeck/objeck-lang --skill benchmark -a claude-code`. Or copy the skill folder (.claude/skills/benchmark in objeck/objeck-lang) into .claude/skills/benchmark in your project. Claude Code loads it when a task matches its description.

How do I install Benchmark in Codex?

Run `npx skills add objeck/objeck-lang --skill benchmark -a codex`. Or copy the skill folder (.claude/skills/benchmark in objeck/objeck-lang) into .agents/skills/benchmark in your project. Codex loads it when a task matches its description.

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

What does Benchmark need to run?

Going by SKILL.md and its folder, Benchmark needs the command-line tools its instructions call (docker, python3 and ruby). Our summary lists: Python 3; Docker.

Does Benchmark access the network?

SKILL.md contains no URLs. Its commands use docker, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Benchmark 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 Benchmark use?

Benchmark 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 Benchmark use?

About 690 tokens (SKILL.md is roughly 2.8k 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 Benchmark?

Skills that share tags, products or a category with Benchmark: Swig CI Repro (swig/swig, 6.3k stars), Minimega (sandia-minimega/minimega, 160 stars), Unraid (dinglebear-ai/unraid, 135 stars) and Generate Nemo Gym Env (adithya-s-k/FineEnvs, 456 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Benchmark?

objeck (a GitHub user) maintains it in objeck/objeck-lang, which has 164 GitHub stars. The repository holds 5 skills in this directory. The repository was last updated on October 8, 2026.

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

Benchmark

Install Benchmark

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Files

Compare with similar skills

Similar skills

Swig CI Repro

Minimega

Unraid

Generate Nemo Gym Env

Cosmos3 Env Troubleshoot

Liveblog Dev

More from objeck/objeck-lang

Bump Version

Update Docs

Deploy Playground

Release

Questions about Benchmark

Install Benchmark

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

Files

Compare with similar skills

Similar skills

More from objeck/objeck-lang

Related

Questions about Benchmark