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Agent skill

Architecture

by wellwelwel in wellwelwel/poku

Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context.

MITAuto-check passedTesting & QA

Install Architecture

skills CLI
$ npx skills add wellwelwel/poku --skill architecture -a claude-code

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

GitHub CLI
$ gh skill install wellwelwel/poku architecture --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/wellwelwel/poku.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/architecture .claude/skills/architecture && 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
architecture
GitHub stars
1.2k
Token cost
~867 tokens
SKILL.md length
425 words
Files
1
Skills in repo
6
Repo updated
First seen
Licence
MIT

At a glance

Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context.

  • Works in 5 steps: Directory Structure → Execution Flow → Config System → …
  • Navigating the codebase
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Understanding how components fit together

What it does

Architecture is an agent skill from wellwelwel/poku. Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context. Use when navigating the codebase or understanding how components fit together.

Its SKILL.md is about 870 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 Testing & QA. The repository describes itself as: 🐷 Poku makes testing easy for Node.js, Bun, Deno, and you at the same time. The licence is MIT.

When your agent uses it

  • Navigating the codebase
  • Understanding how components fit together

Example prompts

  • “/architecture”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Directory Structure
  2. Execution Flow
  3. Config System
  4. Runtime Detection
  5. Competitive Context

What it can do on your machine

Read from SKILL.md and the folder at commit e02df0b. 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

Architecture loads about 867 tokens when it runs. Until then it costs about 57 tokens; SKILL.md has 425 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~57
When it runs · the whole SKILL.md, loaded when a task matches
~867

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 wellwelwel/poku at commit e02df0b, republished under its MIT licence (© wellwelwel). 425 words, ~867 tokens.

Download SKILL.mdSave it as .claude/skills/architecture/SKILL.md (or your agent's skills folder).
name
architecture
description
Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context. Use when navigating the codebase or understanding how components fit together.

How the project is organized and where to look. Read the actual directories and source to confirm details, since file lists change over time.

1. Directory Structure

Read the src/ tree to understand module organization. Each directory has a clear responsibility:

  • src/modules/: public surface. The barrel files exposed to consumers are the ones listed under exports in package.json (read it for the current entrypoints). Subfolders hold the essentials (core poku/assert/strict) and the helper APIs (describe, it, test, skip, kill, env, etc.)
  • src/services/: runtime services. The runner, per-file execution, watch mode, and reporters live here
  • src/parsers/: CLI and config parsing. Argument reading, config discovery, runtime detection, and runner resolution
  • src/configs/: global state, including the GLOBAL singleton
  • src/builders/: chainable builders (assert, reporter)
  • src/polyfills/: cross-runtime compatibility shims
  • src/bin/: CLI entry. src/bin/index.ts is the published binary
  • src/@types/: TypeScript type definitions

To find a specific file, read the relevant directory rather than relying on a fixed list here.

2. Execution Flow

Trace the path from CLI invocation to test results:

  1. The CLI entry (src/bin/index.ts) parses args, loads config, and calls poku()
  2. The poku() orchestrator in the essentials module starts the run
  3. The runner service builds a concurrency-bounded queue and iterates the matched files
  4. Each test file is spawned in its own process with shell: false
  5. Child processes inherit POKU_* environment variables set by the parent
  6. The selected reporter renders results
Show full SKILL.md (194 more words)Show less
3. Config System
  • Auto-discovered files (in order): poku.config.js, .pokurc.json, .pokurc.jsonc. The discovery logic lives in the options parser under src/parsers/. poku.config.cjs and poku.config.ts are supported only via an explicit --config= flag, not auto-discovery
  • For the available options, read the config types in src/@types/ and the CLI help in src/bin/. They are the source of truth and stay current as options evolve
4. Runtime Detection

Read the runtime detection and runner resolution in src/parsers/:

  • Detection order: POKU_RUNTIME env var, then typeof Deno, then typeof Bun, otherwise default 'node'
  • Runner: Bun (['bun']), Deno (['deno', 'run', ...perms]), Node (['node'], or ['node', '--import=tsx'] for TypeScript files)
5. Competitive Context

Poku differentiates from Jest/Vitest/Mocha/etc. by:

  • No internal test mapping: tests are not registered or mapped internally, only their execution is reported. This is the core architectural decision that makes tests behave as plain JavaScript (see the Philosophy in CLAUDE.md)
  • Zero runtime dependencies
  • Faster than Jest and Vitest in the project's own benchmarks (see benchmark/ for current numbers and the caveats stated there)
  • Process-per-file isolation by default (--isolation=none runs all files in the same process, useful for debugging)
  • Cross-platform (Node/Bun/Deno) zero-config
  • Built-in service management (startService, waitForPort, kill, and related helpers)

© wellwelwel, 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 .claude/skills/architecture of wellwelwel/poku.

Open the folder on GitHubat commit e02df0b

Compare with similar skills

Architecture 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.

Architecture compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Architecture this skillwellwelwel/poku1.2k—~867Automated safety check: PassMIT
Web Application Testinganthropics/skills180k51 repos~966Automated safety check: PassApache-2.0
Diagnosing Bugsfossasia/eventyay-interpretation1.6k32 repos~2.1kAutomated safety check: PassApache-2.0
TDDpietheinstrengholt/rssmonster56430 repos~906Automated safety check: PassMIT
TDD WorkflowhellangleZ/burn-in-cceverywhere-ralph11211 repos~2.4kAutomated safety check: PassNone
TDDsanity-io/sanity6.4k20 repos~1kAutomated safety check: PassMIT

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Categories

Questions about Architecture

What does Architecture do?

Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context. Architecture is an agent skill from wellwelwel/poku. Architecture deep-dive for poku covering project structure, execution flow, config discovery, runtime detection, and competitive context.

When should I use Architecture?

Architecture fits situations like: navigating the codebase; understanding how components fit together.

How do I install Architecture in Claude Code?

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

How do I install Architecture in Codex?

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

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

What does Architecture need to run?

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

Does Architecture 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 Architecture 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 Architecture use?

Architecture 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 Architecture use?

About 867 tokens (SKILL.md is roughly 3.5k 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 Architecture?

Skills that share tags, products or a category with Architecture: Web Application Testing (anthropics/skills, 180k stars), Diagnosing Bugs (fossasia/eventyay-interpretation, 1.6k stars), TDD (pietheinstrengholt/rssmonster, 564 stars) and TDD Workflow (hellangleZ/burn-in-cceverywhere-ralph, 112 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Architecture?

wellwelwel (a GitHub user) maintains it in wellwelwel/poku, which has 1,183 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on June 18, 2026.

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