Ready to supercharge your AI agents?

Install any skill in seconds. Free to start, no credit card required.

Codebase Documenter · mhattingpete | DecimalAI

documentationby mhattingpete

Codebase Documenter

mhattingpete/codebase-documenter

Source mhattingpete/claude-skills-marketplace ↗License Apache-2.0

Generates comprehensive documentation explaining how a codebase works, including architecture, key components, data flow, and development guidelines.

SkillScore59Maintained

Automatic

Doc Ops pack

Last verified 8/18/2026

What it changes

Passed 9 of 16 test cases with the skill, and 9 of 16 without it.

Without skill55%

With skill59%

Checks it passed that the model alone missed

Details build process, deployment steps, environment configurations, monitoring tools, and rollback procedures
Specifies generating docs/README.md, docs/ARCHITECTURE.md, docs/DEVELOPMENT.md, docs/API.md, docs/DEPLOYMENT.md, and docs/CONTRIBUTING.md

2 fixed11 passed either way8 still failing1 broke

Pass-rate lift: +5 pp
Tokens: +8%
Agent turns: 0%
Response time: -34%

Model gemini-3.6-flashMeasured 8/18/2026v113 of 22 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/mhattingpete-codebase-documenter/SKILL.md https://app.decimal.ai/s/mhattingpete-codebase-documenter/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add mhattingpete-codebase-documenter, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/mhattingpete-codebase-documenter/ and pins it in .decimal/skills.lock

decimalai skills add mhattingpete-codebase-documenter

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/mhattingpete-codebase-documenter/SKILL.md https://app.decimal.ai/s/mhattingpete-codebase-documenter/SKILL.md

Raw file: /s/mhattingpete-codebase-documenter/SKILL.md ↗ · machine-readable summary at /s/mhattingpete-codebase-documenter.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

We want to place all generated documentation into standard documentation files in our repository. What markdown file layout should be created under the docs directory for a standard complete technical documentation set?

What was checked, without and with the skill
Checked	Without skill	With skill
Specifies generating docs/README.md, docs/ARCHITECTURE.md, docs/DEVELOPMENT.md, docs/API.md, docs/DEPLOYMENT.md, and docs/CONTRIBUTING.md	Missed	Passed

case-04 · gemini-3.6-flash · 8/18/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md154 linessingle file

Codebase Documenter

Generates comprehensive documentation for codebases - architecture, components, data flow, development guidelines.

When to Use

"explain this codebase"
"document the architecture"
"how does this code work"
"create developer documentation"
"generate codebase overview"
"create onboarding docs"

What It Documents

1. Project Overview

Purpose & vision
Target users
Key features
Technology stack
Project status

2. Architecture

High-level structure
Design patterns
Data flow
Control flow
Diagrams (Mermaid)
Architectural decisions

3. Directory Structure

Organization purpose
Naming conventions
Entry points
Core modules
Configuration locations

4. Key Components

Major modules
Classes & functions

Track record

Benchmark

9 / 16

test cases passed, vs 9 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

mhattingpete / claude-skills-marketplace

productivity-skills-plugin/skills/codebase-documenter/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Codebase Documenter

When to Use

What It Documents

1. Project Overview

2. Architecture

3. Directory Structure

4. Key Components

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills