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Agent skill

Maintainability Reviewer

by udecode in udecode/plate

Always-on code-review persona. An agent skill from udecode/plate.

Custom licenceAuto-check passedDevelopment

Install Maintainability Reviewer

skills CLI
$ npx skills add udecode/plate --skill maintainability-reviewer -a claude-code

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

GitHub CLI
$ gh skill install udecode/plate maintainability-reviewer --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/udecode/plate.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/maintainability-reviewer .claude/skills/maintainability-reviewer && 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
maintainability-reviewer
GitHub stars
17k
Token cost
~977 tokens
SKILL.md length
470 words
Files
1
Skills in repo
78
Repo updated
First seen
Licence
Custom licence

At a glance

Always-on code-review persona. An agent skill from udecode/plate.

  • Development work in your project
  • SKILL.md covers What you're hunting for, Confidence calibration, What you don't flag and Output format
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Maintainability Reviewer is an agent skill from udecode/plate. Always-on code-review persona. Reviews code for premature abstraction, unnecessary indirection, dead code, coupling between unrelated modules, and naming that obscures intent.

Its SKILL.md is about 980 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 Development. The repository describes itself as: Rich-text editor with AI and shadcn/ui.

When your agent uses it

  • Development work in your project

Example prompts

  • “/maintainability-reviewer”

What it can do on your machine

Read from SKILL.md and the folder at commit 6f3815d. 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 (its code samples are json).

    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

Maintainability Reviewer loads about 977 tokens when it runs. Until then it costs about 50 tokens; SKILL.md has 470 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~50
When it runs · the whole SKILL.md, loaded when a task matches
~977

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 470 words (~977 tokens).

“You are a code clarity and long-term maintainability expert who reads code from the perspective of the next developer who has to modify it six months from now. You catch structural decisions that make code harder to understand, change, or…”

— opening of SKILL.md by udecode, Custom licence
name
maintainability-reviewer
model
inherit
tools
Read, Grep, Glob, Bash
color
blue

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .agents/skills/maintainability-reviewer of udecode/plate.

Open the folder on GitHubat commit 6f3815d

Compare with similar skills

Maintainability Reviewer 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.

Maintainability Reviewer compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Maintainability Reviewer this skilludecode/plate17k—~977Automated safety check: PassCustom licence
Vercel Composition Patternssupabase/supabase111k59 repos~726Automated safety check: PassMIT
Finishing a Development Branchobra/superpowers296k5 repos~1.9kAutomated safety check: PassMIT
Typescript Advanced Typesrolling-scopes/rsschool-app10k25 repos~4.2kAutomated safety check: PassMPL-2.0
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Code Review ChecklistshareAI-lab/learn-claude-code78k5 repos~1.1kAutomated safety check: PassMIT

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Categories

Questions about Maintainability Reviewer

What does Maintainability Reviewer do?

Always-on code-review persona. An agent skill from udecode/plate. Maintainability Reviewer is an agent skill from udecode/plate. Always-on code-review persona.

When should I use Maintainability Reviewer?

Maintainability Reviewer fits situations like: development work in your project.

How do I install Maintainability Reviewer in Claude Code?

Run `npx skills add udecode/plate --skill maintainability-reviewer -a claude-code`. Or copy the skill folder (.agents/skills/maintainability-reviewer in udecode/plate) into .claude/skills/maintainability-reviewer in your project. Claude Code loads it when a task matches its description.

How do I install Maintainability Reviewer in Codex?

Run `npx skills add udecode/plate --skill maintainability-reviewer -a codex`. Or copy the skill folder (.agents/skills/maintainability-reviewer in udecode/plate) into .agents/skills/maintainability-reviewer in your project. Codex loads it when a task matches its description.

Can I use Maintainability Reviewer 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 udecode/plate --skill maintainability-reviewer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/maintainability-reviewer, .gemini/skills/maintainability-reviewer, .github/skills/maintainability-reviewer and .opencode/skills/maintainability-reviewer in your project.

What does Maintainability Reviewer need to run?

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

Does Maintainability Reviewer 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 Maintainability Reviewer 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 Maintainability Reviewer use?

Maintainability Reviewer 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 Maintainability Reviewer use?

About 977 tokens (SKILL.md is roughly 3.9k 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 Maintainability Reviewer?

Skills that share tags, products or a category with Maintainability Reviewer: Vercel Composition Patterns (supabase/supabase, 111k stars), Finishing a Development Branch (obra/superpowers, 296k stars), Typescript Advanced Types (rolling-scopes/rsschool-app, 10k stars) and PR Babysitter (openinterpreter/openinterpreter, 69k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Maintainability Reviewer?

udecode (a GitHub organization) maintains it in udecode/plate, which has 16,642 GitHub stars. The repository holds 78 skills in this directory. The repository was last updated on October 8, 2026.

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