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Agent skill

Benchmark

by zalando in zalando/skipper

Create or modify hot-path code or optimizations should be validated by a Go Benchmark

MITAuto-check passedDevOps & Cloud

Install Benchmark

skills CLI
$ npx skills add zalando/skipper --skill benchmark -a claude-code

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

GitHub CLI
$ gh skill install zalando/skipper 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/zalando/skipper.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/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/

Facts

Skill name
benchmark
GitHub stars
3.3k
Token cost
~304 tokens
SKILL.md length
63 words
Files
1
Skills in repo
5
Repo updated
First seen
Licence
MIT

At a glance

Create or modify hot-path code or optimizations should be validated by a Go Benchmark

  • DevOps & Cloud work in your project
  • SKILL.md covers What I do, When to use me and Quick start
  • Calls go

What it does

Benchmark is an agent skill from zalando/skipper. Create or modify hot-path code or optimizations should be validated by a Go Benchmark

Its SKILL.md is about 300 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: opencode, claude

It sits in DevOps & Cloud. It works with Kubernetes. The repository describes itself as: An HTTP router and reverse proxy for service composition, including use cases like Kubernetes Ingress. The licence is MIT.

When your agent uses it

  • DevOps & Cloud work in your project

Example prompts

  • “/benchmark”

Requirements

  • Compatibility (from SKILL.md): opencode, claude

What it can do on your machine

Read from SKILL.md and the folder at commit 4f6cd0a. 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:

    • go

    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.

  • Compatibility

    opencode, claude

    From compatibility in the SKILL.md frontmatter.

Context cost

Benchmark loads about 304 tokens when it runs. Until then it costs about 24 tokens; SKILL.md has 63 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~24
When it runs · the whole SKILL.md, loaded when a task matches
~304

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 zalando/skipper at commit 4f6cd0a, republished under its MIT licence (© zalando). 63 words, ~304 tokens.

Download SKILL.mdSave it as .claude/skills/benchmark/SKILL.md (or your agent's skills folder).
name
benchmark
description
Create or modify hot-path code or optimizations should be validated by a Go Benchmark
compatibility
opencode, claude
license
MIT
metadata.audience
maintainers, contributors

What I do

  • focus on performance and allocations

When to use me

Use this when you are creating or modifying code in the hot path.

Quick start

Benchmarks

Write benchmarks alongside any performance-sensitive change. Use benchstat with -count 20 to compare. Always report sec/op, B/op, and allocs/op. Target zero allocations in hot-path code.

go
func BenchmarkMyPredicate(b *testing.B) {
    p := &predicate{...}
    req := httptest.NewRequest("GET", "/", nil)
    req.Header.Set("Authorization", "Bearer "+testToken)
    b.ReportAllocs()
    b.ResetTimer()
    for b.Loop() {
        p.Match(req)
    }
}

Example run:

bash
% go test -bench=BenchmarkMyPredicate -benchmem -run='^$' -count 20 -cpu 1,2,4,8,16 ./predicates/mypredicate > old.txt
# ..edit code..
% go test -bench=BenchmarkMyPredicate -benchmem -run='^$' -count 20 -cpu 1,2,4,8,16 ./predicates/mypredicate > new.txt
% benchstat old.txt new.txt

Show the output of benchstat to the developer.

© zalando, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/benchmark of zalando/skipper.

Open the folder on GitHubat commit 4f6cd0a

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
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Benchmark this skillzalando/skipper3.3k—~304Automated safety check: PassMIT
KubeSphere Multi-Tenant Managementkubesphere/kubesphere17k1 repos~3.1kAutomated safety check: PassCustom licence
Azure Diagnosticsmicrosoft/azure-skills1.5k1 repos~1.6kAutomated safety check: PassMIT
Kubeshark Installerkubeshark/kubeshark12k—~3.6kAutomated safety check: NotesApache-2.0
Sim Helmsimstudioai/sim30k—~2.2kAutomated safety check: PassApache-2.0
Helm Chart ScaffoldingCybereason-Public/owLSM28013 repos~381Automated safety check: PassGPL-2.0

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  • Predicate

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    Create or modify code in the predicates package and all its sub-folders

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  • Skipper Architecture

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  • Go Coding

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Works with

Categories

Questions about Benchmark

What does Benchmark do?

Create or modify hot-path code or optimizations should be validated by a Go Benchmark. Benchmark is an agent skill from zalando/skipper.

When should I use Benchmark?

Benchmark fits situations like: devOps & Cloud work in your project.

How do I install Benchmark in Claude Code?

Run `npx skills add zalando/skipper --skill benchmark -a claude-code`. Or copy the skill folder (.agents/skills/benchmark in zalando/skipper) 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 zalando/skipper --skill benchmark -a codex`. Or copy the skill folder (.agents/skills/benchmark in zalando/skipper) 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 zalando/skipper --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 (go). Compatibility (from SKILL.md): opencode, claude.

Does Benchmark 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 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 is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Benchmark use?

About 304 tokens (SKILL.md is roughly 1.2k 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: KubeSphere Multi-Tenant Management (kubesphere/kubesphere, 17k stars), Azure Diagnostics (microsoft/azure-skills, 1.5k stars), Kubeshark Installer (kubeshark/kubeshark, 12k stars) and Sim Helm (simstudioai/sim, 30k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Benchmark?

zalando (a GitHub organization) maintains it in zalando/skipper, which has 3,331 GitHub stars. The repository holds 5 skills in this directory. The repository was last updated on October 6, 2026.

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